@article{GorzalkaSchmiedtSchorn2021, author = {Gorzalka, Philip and Schmiedt, Jacob Estevam and Schorn, Christian}, title = {Automated Generation of an Energy Simulation Model for an Existing Building from UAV Imagery}, series = {Buildings}, volume = {11}, journal = {Buildings}, number = {9}, publisher = {MDPI}, address = {Basel}, issn = {2075-5309}, doi = {10.3390/buildings11090380}, pages = {15 Seiten}, year = {2021}, abstract = {An approach to automatically generate a dynamic energy simulation model in Modelica for a single existing building is presented. It aims at collecting data about the status quo in the preparation of energy retrofits with low effort and costs. The proposed method starts from a polygon model of the outer building envelope obtained from photogrammetrically generated point clouds. The open-source tools TEASER and AixLib are used for data enrichment and model generation. A case study was conducted on a single-family house. The resulting model can accurately reproduce the internal air temperatures during synthetical heating up and cooling down. Modelled and measured whole building heat transfer coefficients (HTC) agree within a 12\% range. A sensitivity analysis emphasises the importance of accurate window characterisations and justifies the use of a very simplified interior geometry. Uncertainties arising from the use of archetype U-values are estimated by comparing different typologies, with best- and worst-case estimates showing differences in pre-retrofit heat demand of about ±20\% to the average; however, as the assumptions made are permitted by some national standards, the method is already close to practical applicability and opens up a path to quickly estimate possible financial and energy savings after refurbishment.}, language = {en} } @inproceedings{DeyElsenFerreinetal.2021, author = {Dey, Thomas and Elsen, Ingo and Ferrein, Alexander and Frauenrath, Tobias and Reke, Michael and Schiffer, Stefan}, title = {CO2 Meter: a do-it-yourself carbon dioxide measuring device for the classroom}, series = {PETRA '21: Proceedings of the 14th Pervasive Technologies Related to Assistive Environments Conference}, booktitle = {PETRA '21: Proceedings of the 14th Pervasive Technologies Related to Assistive Environments Conference}, editor = {Makedon, Fillia}, publisher = {Association for Computing Machinery}, address = {New York}, isbn = {9781450387927}, doi = {10.1145/3453892.3462697}, pages = {292 -- 299}, year = {2021}, abstract = {In this paper we report on CO2 Meter, a do-it-yourself carbon dioxide measuring device for the classroom. Part of the current measures for dealing with the SARS-CoV-2 pandemic is proper ventilation in indoor settings. This is especially important in schools with students coming back to the classroom even with high incidents rates. Static ventilation patterns do not consider the individual situation for a particular class. Influencing factors like the type of activity, the physical structure or the room occupancy are not incorporated. Also, existing devices are rather expensive and often provide only limited information and only locally without any networking. This leaves the potential of analysing the situation across different settings untapped. Carbon dioxide level can be used as an indicator of air quality, in general, and of aerosol load in particular. Since, according to the latest findings, SARS-CoV-2 can be transmitted primarily in the form of aerosols, carbon dioxide may be used as a proxy for the risk of a virus infection. Hence, schools could improve the indoor air quality and potentially reduce the infection risk if they actually had measuring devices available in the classroom. Our device supports schools in ventilation and it allows for collecting data over the Internet to enable a detailed data analysis and model generation. First deployments in schools at different levels were received very positively. A pilot installation with a larger data collection and analysis is underway.}, language = {en} } @inproceedings{SchulzeBuxlohGrossUlbrich2021, author = {Schulze-Buxloh, Lina and Groß, Rolf Fritz and Ulbrich, Michelle}, title = {Digital planning using building information modelling and virtual reality: new approach for students' remote practical training under lockdown conditions in the course of smart building engineering}, series = {Proceedings of International Conference on Education in Mathematics, Science and Technology 2021}, booktitle = {Proceedings of International Conference on Education in Mathematics, Science and Technology 2021}, publisher = {ISTES Organization}, address = {San Antonio, TX}, isbn = {978-1-952092-17-6}, pages = {118 -- 123}, year = {2021}, abstract = {The worldwide Corona pandemic has severely restricted student projects in the higher semesters of engineering courses. In order not to delay the graduation, a new concept had to be developed for projects under lockdown conditions. Therefore, unused rooms at the university should be digitally recorded in order to develop a new usage concept as laboratory rooms. An inventory of the actual state of the rooms was done first by taking photos and listing up all flaws and peculiarities. After that, a digital site measuring was done with a 360° laser scanner and these recorded scans were linked to a coherent point cloud and transferred to a software for planning technical building services and supporting Building Information Modelling (BIM). In order to better illustrate the difference between the actual and target state, two virtual reality models were created for realistic demonstration. During the project, the students had to go through the entire digital planning phases. Technical specifications had to be complied with, as well as documentation, time planning and cost estimate. This project turned out to be an excellent alternative to on-site practical training under lockdown conditions and increased the students' motivation to deal with complex technical questions.}, language = {en} } @inproceedings{SchulzeBuxlohGross2021, author = {Schulze-Buxloh, Lina and Groß, Rolf Fritz}, title = {Interdisciplinary Course Smart Building Engineering: A new approach of teaching freshmen in remote teamwork project under pandemic restrictions}, series = {New Perspectives in Science Education - International Conference}, booktitle = {New Perspectives in Science Education - International Conference}, publisher = {Filodiritto}, address = {Bologna}, pages = {4 Seiten}, year = {2021}, abstract = {In the context of the Corona pandemic and its impact on teaching like digital lectures and exercises a new concept especially for freshmen in demanding courses of Smart Building Engineering became necessary. As there were hardly any face-to-face events at the university, the new teaching concept should enable a good start into engineering studies under pandemic conditions anyway and should also replace the written exam at the end. The students should become active themselves in small teams instead of listening passively to a lecture broadcast online with almost no personal contact. For this purpose, a role play was developed in which the freshmen had to work out a complete solution to the realistic problem of designing, construction planning and implementing a small guesthouse. Each student of the team had to take a certain role like architect, site manager, BIM-manager, electrician and the technitian for HVAC installations. Technical specifications must be complied with, as well as documentation, time planning and cost estimate. The final project folder had to contain technical documents like circuit diagrams for electrical components, circuit diagrams for water and heating, design calculations and components lists. On the other hand construction schedule, construction implementation plan, documentation of the construction progress and minutes of meetings between the various trades had to be submitted as well. In addition to the project folder, a model of the construction project must also be created either as a handmade model or as a digital 3D-model using Computer-aided design (CAD) software. The first steps in the field of Building information modelling (BIM) had also been taken by creating a digital model of the building showing the current planning status in real time as a digital twin. This project turned out to be an excellent training of important student competencies like teamwork, communication skills, and self -organisation and also increased motivation to work on complex technical questions. The aim of giving the student a first impression on the challenges and solutions in building projects with many different technical trades and their points of view was very well achieved and should be continued in the future.}, language = {en} } @inproceedings{MohanGrossMenzeletal.2021, author = {Mohan, Nijanthan and Groß, Rolf Fritz and Menzel, Karsten and Theis, Fabian}, title = {Opportunities and Challenges in the Implementation of Building Information Modeling for Prefabrication of Heating, Ventilation and Air Conditioning Systems in Small and Medium-Sized Contracting Companies in Germany - A Case Study}, series = {WIT Transactions on The Built Environment, Vol. 205}, booktitle = {WIT Transactions on The Built Environment, Vol. 205}, publisher = {WIT Press}, address = {Southampton}, issn = {1743-3509}, doi = {10.2495/BIM210101}, pages = {117 -- 126}, year = {2021}, abstract = {Even though BIM (Building Information Modelling) is successfully implemented in most of the world, it is still in the early stages in Germany, since the stakeholders are sceptical of its reliability and efficiency. The purpose of this paper is to analyse the opportunities and obstacles to implementing BIM for prefabrication. Among all other advantages of BIM, prefabrication is chosen for this paper because it plays a vital role in creating an impact on the time and cost factors of a construction project. The project stakeholders and participants can explicitly observe the positive impact of prefabrication, which enables the breakthrough of the scepticism factor among the small-scale construction companies. The analysis consists of the development of a process workflow for implementing prefabrication in building construction followed by a practical approach, which was executed with two case studies. It was planned in such a way that, the first case study gives a first-hand experience for the workers at the site on the BIM model so that they can make much use of the created BIM model, which is a better representation compared to the traditional 2D plan. The main aim of the first case study is to create a belief in the implementation of BIM Models, which was succeeded by the execution of offshore prefabrication in the second case study. Based on the case studies, the time analysis was made and it is inferred that the implementation of BIM for prefabrication can reduce construction time, ensures minimal wastes, better accuracy, less problem-solving at the construction site. It was observed that this process requires more planning time, better communication between different disciplines, which was the major obstacle for successful implementation. This paper was carried out from the perspective of small and medium-sized mechanical contracting companies for the private building sector in Germany.}, language = {en} } @inproceedings{SchulzeBuxlohGross2021, author = {Schulze-Buxloh, Lina and Groß, Rolf Fritz}, title = {Miniature urban farming plant: a complex educational "Toy" for engineering students}, series = {The Future of Education 11th Edition 2021}, booktitle = {The Future of Education 11th Edition 2021}, pages = {4 Seiten}, year = {2021}, abstract = {Urban farming is an innovative and sustainable way of food production and is becoming more and more important in smart city and quarter concepts. It also enables the production of certain foods in places where they usually dare not produced, such as production of fish or shrimps in large cities far away from the coast. Unfortunately, it is not always possible to show students such concepts and systems in real life as part of courses: visits of such industry plants are sometimes not possible because of distance or are permitted by the operator for hygienic reasons. In order to give the students the opportunity of getting into contact with such an urban farming system and its complex operation, an industrial urban farming plant was set up on a significantly smaller scale. Therefore, all needed technical components like water aeriation, biological and mechanical filtration or water circulation have been replaced either by aquarium components or by self-designed parts also using a 3D-printer. Students from different courses like mechanical engineering, smart building engineering, biology, electrical engineering, automation technology and civil engineering were involved in this project. This "miniature industrial plant" was also able to start operation and has now been running for two years successfully. Due to Corona pandemic, home office and remote online lectures, the automation of this miniature plant should be brought to a higher level in future for providing a good control over the system and water quality remotely. The aim of giving the student a chance to get to know the operation of an urban farming plant was very well achieved and the students had lots of fun in "playing" and learning with it in a realistic way.}, language = {en} } @inproceedings{UlmerBraunWollert2021, author = {Ulmer, Jessica and Braun, Sebastian and Wollert, J{\"o}rg}, title = {Adaptive VR-Produktionsumgebungen f{\"u}r Evaluations- und Schulungst{\"a}tigkeiten}, series = {Automation 2021: Navigating towards resilient Production}, booktitle = {Automation 2021: Navigating towards resilient Production}, publisher = {VDI}, address = {D{\"u}sseldorf}, isbn = {978-3-18-092392-5}, issn = {0083-5560}, doi = {10.51202/9783181023921-55}, pages = {55 -- 64}, year = {2021}, abstract = {Industrie 4.0 stellt viele Herausforderungen an produzierende Unternehmen und ihre Besch{\"a}f-tigten. Innovative und effektive Trainingsstrategien sind erforderlich, um mit den sich schnell ver{\"a}ndernden Produktionsumgebungen und neuen Fertigungstechnologien Schritt halten zu k{\"o}nnen. Virtual Reality (VR) bietet neue M{\"o}glichkeiten f{\"u}r On-the-Job, On-Demand- und Off-Premise-Schulungen. Diese Arbeit stellt ein neues VR Schulungssystem vor, welches sich flexible an unterschiedliche Trainingsobjekte auf Grundlage von Rezepten und CAD Modellen anpassen l{\"a}sst. Das Konzept basiert auf gerichteten azyklischen Graphen und einem Level-system. Es erm{\"o}glicht eine benutzerindividuelle Lerngeschwindigkeit mittels visueller Ele-mente. Das Konzept wurde f{\"u}r einen mechanischen Anwendungsfall mit Industriekomponen-ten implementiert und in der Industrie 4.0-Modellfabrik der FH Aachen umgesetzt.}, language = {de} } @techreport{GoellBraunsteinAlbracht2021, author = {G{\"o}ll, Fabian and Braunstein, Bj{\"o}rn and Albracht, Kirsten}, title = {Lernende roboterassistierte Systeme f{\"u}r das neuromuskul{\"a}re Training - RoSylerNT; Teilvorhaben: Entwicklung eines neuromuskuloskelettalen Modells als Basis f{\"u}r die Interaktionsf{\"a}higkeiten autonomer Assistenzsysteme}, publisher = {Deutsche Sporthochschule K{\"o}ln}, address = {K{\"o}ln}, doi = {10.2314/KXP:1855318741}, pages = {14 Seiten}, year = {2021}, language = {de} } @techreport{Tippkoetter2021, author = {Tippk{\"o}tter, Nils}, title = {TreBec - Herstellung eines Mehrwegbechers aus Treber : Sachbericht zum Verwendungsnachweis}, publisher = {FH Aachen}, address = {J{\"u}lich}, doi = {10.2314/KXP:1858723302}, pages = {10 Seiten}, year = {2021}, abstract = {Laufzeit des Vorhabens und Berichtszeitraum: 01.10.2020-30.09.2021}, language = {de} } @article{RichterBraunsteinStaeudleetal.2021, author = {Richter, Charlotte and Braunstein, Bjoern and St{\"a}udle, Benjamin and Attias, Julia and Suess, Alexander and Weber, Tobias and Mileva, Katja N. and Rittweger, Joern and Green, David A. and Albracht, Kirsten}, title = {Gastrocnemius medialis contractile behavior is preserved during 30\% body weight supported gait training}, series = {Frontiers in Sports and Active Living}, volume = {2021}, journal = {Frontiers in Sports and Active Living}, number = {2}, publisher = {Frontiers}, address = {Lausanne}, issn = {2624-9367}, doi = {10.3389/fspor.2020.614559}, pages = {Artikel 614559}, year = {2021}, abstract = {Rehabilitative body weight supported gait training aims at restoring walking function as a key element in activities of daily living. Studies demonstrated reductions in muscle and joint forces, while kinematic gait patterns appear to be preserved with up to 30\% weight support. However, the influence of body weight support on muscle architecture, with respect to fascicle and series elastic element behavior is unknown, despite this having potential clinical implications for gait retraining. Eight males (31.9 ± 4.7 years) walked at 75\% of the speed at which they typically transition to running, with 0\% and 30\% body weight support on a lower-body positive pressure treadmill. Gastrocnemius medialis fascicle lengths and pennation angles were measured via ultrasonography. Additionally, joint kinematics were analyzed to determine gastrocnemius medialis muscle-tendon unit lengths, consisting of the muscle's contractile and series elastic elements. Series elastic element length was assessed using a muscle-tendon unit model. Depending on whether data were normally distributed, a paired t-test or Wilcoxon signed rank test was performed to determine if body weight supported walking had any effects on joint kinematics and fascicle-series elastic element behavior. Walking with 30\% body weight support had no statistically significant effect on joint kinematics and peak series elastic element length. Furthermore, at the time when peak series elastic element length was achieved, and on average across the entire stance phase, muscle-tendon unit length, fascicle length, pennation angle, and fascicle velocity were unchanged with respect to body weight support. In accordance with unchanged gait kinematics, preservation of fascicle-series elastic element behavior was observed during walking with 30\% body weight support, which suggests transferability of gait patterns to subsequent unsupported walking.}, language = {en} } @article{RichterBraunsteinStaeudleetal.2021, author = {Richter, Charlotte and Braunstein, Bj{\"o}rn and St{\"a}udle, Benjamin and Attias, Julia and S{\"u}ss, Alexander and Weber, Tobias and Mileva, Katya N. and Rittweger, J{\"o}rn and Green, David A. and Albracht, Kirsten}, title = {Gastrocnemius medialis contractile behavior during running differs between simulated Lunar and Martian gravities}, series = {Scientific reports}, volume = {11}, journal = {Scientific reports}, number = {Article number: 22555}, publisher = {Springer Nature}, address = {London}, issn = {2045-2322}, doi = {10.1038/s41598-021-00527-9}, pages = {13 Seiten}, year = {2021}, abstract = {The international partnership of space agencies has agreed to proceed forward to the Moon sustainably. Activities on the Lunar surface (0.16 g) will allow crewmembers to advance the exploration skills needed when expanding human presence to Mars (0.38 g). Whilst data from actual hypogravity activities are limited to the Apollo missions, simulation studies have indicated that ground reaction forces, mechanical work, muscle activation, and joint angles decrease with declining gravity level. However, these alterations in locomotion biomechanics do not necessarily scale to the gravity level, the reduction in gastrocnemius medialis activation even appears to level off around 0.2 g, while muscle activation pattern remains similar. Thus, it is difficult to predict whether gastrocnemius medialis contractile behavior during running on Moon will basically be the same as on Mars. Therefore, this study investigated lower limb joint kinematics and gastrocnemius medialis behavior during running at 1 g, simulated Martian gravity, and simulated Lunar gravity on the vertical treadmill facility. The results indicate that hypogravity-induced alterations in joint kinematics and contractile behavior still persist between simulated running on the Moon and Mars. This contrasts with the concept of a ceiling effect and should be carefully considered when evaluating exercise prescriptions and the transferability of locomotion practiced in Lunar gravity to Martian gravity.}, language = {en} } @article{WerkhausenWillwacherAlbracht2021, author = {Werkhausen, Amelie and Willwacher, Steffen and Albracht, Kirsten}, title = {Medial gastrocnemius muscle fascicles shorten throughout stance during sprint acceleration}, series = {Scandinavian Journal of Medicine \& Science in Sports}, volume = {31}, journal = {Scandinavian Journal of Medicine \& Science in Sports}, number = {7}, publisher = {Wiley-Blackwell}, address = {Oxford}, issn = {0905-7188 (Druckausgabe)}, doi = {10.1111/sms.13956}, pages = {1471 -- 1480}, year = {2021}, abstract = {The compliant nature of distal limb muscle-tendon units is traditionally considered suboptimal in explosive movements when positive joint work is required. However, during accelerative running, ankle joint net mechanical work is positive. Therefore, this study aims to investigate how plantar flexor muscle-tendon behavior is modulated during fast accelerations. Eleven female sprinters performed maximum sprint accelerations from starting blocks, while gastrocnemius muscle fascicle lengths were estimated using ultrasonography. We combined motion analysis and ground reaction force measurements to assess lower limb joint kinematics and kinetics, and to estimate gastrocnemius muscle-tendon unit length during the first two acceleration steps. Outcome variables were resampled to the stance phase and averaged across three to five trials. Relevant scalars were extracted and analyzed using one-sample and two-sample t-tests, and vector trajectories were compared using statistical parametric mapping. We found that an uncoupling of muscle fascicle behavior from muscle-tendon unit behavior is effectively used to produce net positive mechanical work at the joint during maximum sprint acceleration. Muscle fascicles shortened throughout the first and second steps, while shortening occurred earlier during the first step, where negative joint work was lower compared with the second step. Elastic strain energy may be stored during dorsiflexion after touchdown since fascicles did not lengthen at the same time to dissipate energy. Thus, net positive work generation is accommodated by the reuse of elastic strain energy along with positive gastrocnemius fascicle work. Our results show a mechanism of how muscles with high in-series compliance can contribute to net positive joint work.}, language = {en} } @article{MontiWaldvogelRitzmannetal.2021, author = {Monti, Elena and Waldvogel, Janice and Ritzmann, Ramona and Freyler, Kathrin and Albracht, Kirsten and Helm, Michael and De Cesare, Niccol{\`o} and Pavan, Piero and Reggiani, Carlo and Gollhofer, Albert and Narici, Marco Vincenzo}, title = {Muscle in variable gravity: "I do not know where I am, but I know what to do"}, series = {Frontiers in Physiology}, volume = {12}, journal = {Frontiers in Physiology}, publisher = {Frontiers Research Foundation}, address = {Lausanne}, issn = {1664-042X}, doi = {10.3389/fphys.2021.714655}, pages = {19 Seiten}, year = {2021}, abstract = {Performing tasks, such as running and jumping, requires activation of the agonist and antagonist muscles before (motor unit pre-activation) and during movement performance (Santello and Mcdonagh, 1998). A well-timed and regulated muscle activation elicits a stretch-shortening cycle (SSC) response, naturally occurring in bouncing movements (Ishikawa and Komi, 2004; Taube et al., 2012). By definition, the SSC describes the stretching of a pre-activated muscle-tendon complex immediately followed by a muscle shortening in the concentric push-off phase (Komi, 1984). Given the importance of SSC actions for human movement, it is not surprising that many studies investigated the biomechanics of this phenomenon; in particular, drop jumps (DJs) represent a good paradigm to study muscle fascicle and tendon behavior in ballistic movements involving the SSC. Within a DJ, three main phases [pre-activation, braking, and push-off (PO; Komi, 2000)] have been recognized and extensively studied in common and challenging conditions, such as changes in load, falling height, or simulated hypo-gravity (Avela et al., 1994; Arampatzis et al., 2001; Fukashiro et al., 2005; Ishikawa et al., 2005; Sousa et al., 2007; Ritzmann et al., 2016; Helm et al., 2020). These studies show that the timing and amount of triceps-surae muscle-tendon unit pre-activation in DJs are differentially regulated based on the load applied to the muscle, being optimal in normal "Earth" gravity conditions (Avela et al., 1994), but decreased in simulated hypo-gravity, hyper-gravity (Avela et al., 1994; Ritzmann et al., 2016), or unknown conditions (i.e., unknown falling heights; Helm et al., 2020). Some authors indicated that, when falling from heights different from the optimal one [defined as the drop height giving a maximum DJ performance indicated as peak ground reaction force (GRF) or jump high], electromyographic (EMG) activity of the plantar flexors increases from lower than optimal to higher than optimal heights (Ishikawa and Komi, 2004; Sousa et al., 2007). These findings highlight the ability of the central nervous system to regulate the timing and amount of pre-activation according to different jumping conditions, thus regulating muscle fascicle length, tendon and joint stiffness as well as position, in order to safely land on the ground and quickly re-bounce. Similarly, to pre-activation, also in the braking phase, the plantar flexors are differentially regulated. In optimal height (i.e., load) jumping conditions, gastrocnemius medialis (GM) fascicles shorten at early ground contact (possibly due to the intervention of the stretch reflex; Gollhofer et al., 1992) and behave quasi-isometrically in the late braking phase, enabling tendon elongation, and storage of elastic energy (Gollhofer et al., 1992; Fukashiro et al., 2005; Sousa et al., 2007). When increasing the falling height (augmenting the impact GRF), the quasi-isometric behavior of fascicles disappears, and fast fascicle lengthening occurs (Ishikawa et al., 2005; Sousa et al., 2007). In the third and last PO phase, fascicles shorten and the tendon releases the elastic energy previously stored. Bobbert et al. (1987) reported no influence of jumping height on the work done and on the net vertical impulse assessed during PO; this observation suggests that, despite an optimal DJ performance might be achieved only in specific conditions (falling heights, loads), the central nervous system seems to be able to regulate muscle behavior in order to effectively perform the required task also in challenging situations. Although the regulation of triceps-surae muscle-tendon unit in DJs has been extensively investigated, very few studies focused on sarcomeres behavior during the performance of this SSC movement (Kurokawa et al., 2003; Fukashiro et al., 2005, 2006). Sarcomeres represent muscle contractile units and are known to express different amounts of force depending on their length (Gordon et al., 1966; Walker and Schrodt, 1974); thus, understanding the time course of their responses during DJs is fundamental to gain further insights into muscle force-generating capacity. In vivo measurement of sarcomere length in humans has been so far been performed only in static positions and under highly controlled experimental conditions (Llewellyn et al., 2008; Sanchez et al., 2015). Instead, human sarcomere length estimation (achieved by dividing GM measured fascicle length for a fixed sarcomere number) in dynamic contractions provided an indirect measure of sarcomere operating range during squat jump, countermovement jump, and DJ (Fukashiro et al., 2005, 2006; Kurokawa et al., 2003). The results of these studies showed that sarcomeres operate in the ascending limb of their length-tension (L-T) relationship in all types of jumps, and particularly so in DJ. However, most of the available observations on sarcomere and muscle fascicle behavior were made in condition of constant gravity. Thus, in order to understand how sarcomere and muscle fascicle length are regulated in variable gravity conditions, we performed experiments in a parabolic flight, involving variable gravity levels, ranging from about zero-g to about double the Earth's gravity (1 g; Waldvogel et al., 2021). Specifically, the aims of the present study were as follows: 1. To investigate the ability of the neuromuscular system in regulating fascicle length in response to conditions of variable gravity. 2. To estimate sarcomere operative length in the different DJ phases, in order to calculate its theoretical force production and its possible modulation in conditions of variable gravity. We hypothesized that muscle fascicles would be differentially regulated in different gravity conditions compared to 1 g, particularly in anticipation of landing and re-bouncing in unknown gravity levels. In addition, we hypothesized that sarcomeres would operate in the upper part of the ascending limb of their L-T relationship, possibly lengthening during the braking phase (especially in hyper-gravity) while operating quasi-isometrically in 1 g.}, language = {en} } @article{StaeudleSeynnesLapsetal.2021, author = {St{\"a}udle, Benjamin and Seynnes, Olivier and Laps, Guido and G{\"o}ll, Fabian and Br{\"u}ggemann, Gert-Peter and Albracht, Kirsten}, title = {Recovery from achilles tendon repair: a combination of Postsurgery Outcomes and Insufficient remodeling of muscle and tendon}, series = {Medicine \& Science in Sports \& Exercise}, volume = {53}, journal = {Medicine \& Science in Sports \& Exercise}, number = {7}, publisher = {American College of Sports Medicine}, address = {Philadelphia, Pa.}, issn = {1530-0315}, doi = {10.1249/MSS.0000000000002592}, pages = {1356 -- 1366}, year = {2021}, abstract = {Achilles tendon rupture (ATR) patients have persistent functional deficits in the triceps surae muscle-tendon unit (MTU). The complex remodeling of the MTU accompanying these deficits remains poorly understood. The purpose of the present study was to associate in vivo and in silico data to investigate the relations between changes inMTU properties and strength deficits inATR patients. Methods: Elevenmale subjects who had undergone surgical repair of complete unilateral ATR were examined 4.6 ± 2.0 (mean ± SD) yr after rupture. Gastrocnemius medialis (GM) tendon stiffness, morphology, and muscle architecture were determined using ultrasonography. The force-length relation of the plantar flexor muscles was assessed at five ankle joint angles. In addition, simulations (OpenSim) of the GM MTU force-length properties were performed with various iterations of MTU properties found between the unaffected and the affected side. Results: The affected side of the patients displayed a longer, larger, and stiffer GM tendon (13\% ± 10\%, 105\% ± 28\%, and 54\% ± 24\%, respectively) compared with the unaffected side. The GM muscle fascicles of the affected side were shorter (32\% ± 12\%) and with greater pennation angles (31\% ± 26\%). A mean deficit in plantarflexion moment of 31\% ± 10\% was measured. Simulations indicate that pairing an intact muscle with a longer tendon shifts the optimal angular range of peak force outside physiological angular ranges, whereas the shorter muscle fascicles and tendon stiffening seen in the affected side decrease this shift, albeit incompletely. Conclusions: These results suggest that the substantial changes in MTU properties found in ATR patients may partly result from compensatory remodeling, although this process appears insufficient to fully restore muscle function.}, language = {en} } @unpublished{RingersBialonskiSolovevetal.2021, author = {Ringers, Christa and Bialonski, Stephan and Solovev, Anton and Hansen, Jan N. and Ege, Mert and Friedrich, Benjamin M. and Jurisch-Yaksi, Nathalie}, title = {Preprint: Local synchronization of cilia and tissue-scale cilia alignment are sufficient for global metachronal waves}, series = {bioRxiv}, journal = {bioRxiv}, doi = {10.1101/2021.11.23.469646}, pages = {19 Seiten}, year = {2021}, abstract = {Motile cilia are hair-like cell extensions present in multiple organs of the body. How cilia coordinate their regular beat in multiciliated epithelia to move fluids remains insufficiently understood, particularly due to lack of rigorous quantification. We combine here experiments, novel analysis tools, and theory to address this knowledge gap. We investigate collective dynamics of cilia in the zebrafish nose, due to its conserved properties with other ciliated tissues and its superior accessibility for non-invasive imaging. We revealed that cilia are synchronized only locally and that the size of local synchronization domains increases with the viscosity of the surrounding medium. Despite the fact that synchronization is local only, we observed global patterns of traveling metachronal waves across the multiciliated epithelium. Intriguingly, these global wave direction patterns are conserved across individual fish, but different for left and right nose, unveiling a chiral asymmetry of metachronal coordination. To understand the implications of synchronization for fluid pumping, we used a computational model of a regular array of cilia. We found that local metachronal synchronization prevents steric collisions and improves fluid pumping in dense cilia carpets, but hardly affects the direction of fluid flow. In conclusion, we show that local synchronization together with tissue-scale cilia alignment are sufficient to generate metachronal wave patterns in multiciliated epithelia, which enhance their physiological function of fluid pumping.}, language = {en} } @incollection{Peterson2021, author = {Peterson, Leif Arne}, title = {Holzbau}, series = {Wof{\"u}r braucht man das eigentlich? Ein Handbuch f{\"u}r Mathematiklehrkr{\"a}fte der Sekundarstufe I und II}, booktitle = {Wof{\"u}r braucht man das eigentlich? Ein Handbuch f{\"u}r Mathematiklehrkr{\"a}fte der Sekundarstufe I und II}, editor = {Schl{\"u}ter, Dominik}, publisher = {BoD}, address = {Norderstedt}, isbn = {978-3-7543-2606-0}, pages = {21 -- 23}, year = {2021}, language = {de} } @article{Finkenberger2021, author = {Finkenberger, Isabel Maria}, title = {Wohnen als Produktionsgemeinschaftsaufgabe}, series = {Jahrbuch f{\"u}r Christliche Sozialwissenschaften}, journal = {Jahrbuch f{\"u}r Christliche Sozialwissenschaften}, number = {62}, publisher = {Aschendorff}, address = {M{\"u}nster}, issn = {0075-2584}, doi = {10.17879/jcsw-2021-3537}, pages = {31 -- 42}, year = {2021}, abstract = {Wohnen als neue soziale Frage ist mehr als die Produktion neuer Formen von Wohnen und deren architektonischer Gestalt, und auch mehr als nur die Umsetzung sich ver{\"a}ndernder, jedoch individuell formulierter Wohnw{\"u}nsche. Sie spannt sich auf zwischen gesellschafts- und nachhaltigkeitspolitischen, hardcore-kapitalistischen und globalen Rahmenbedingungen, Hardware und Software, Individuum und Gemeinwohl, Konsum und Mitgestaltung. Entscheidend sind die Akteure und die Art und Weise, wie und nach welchen Maßst{\"a}ben sie handeln. Entscheidend ist aber auch, Wohnen sowohl kontextuell wie auch programmatisch neu zu denken und dadurch zu neuen Mischungen, Nachbarschaften und Bewertungskriterien einer Projekt- und Stadtentwicklung zu kommen, die mehr als die Summe seiner Einzelteile wollen - ein gutes Leben f{\"u}r Alle abseits der Frage des Geldbeutels und der sozialen Zugeh{\"o}rigkeit.}, language = {de} } @masterthesis{Latz2021, type = {Bachelor Thesis}, author = {Latz, Annika}, title = {Konzeptentwicklung einer spielerischen Lernanwendung f{\"u}r Studierende}, school = {Fachhochschule Aachen}, pages = {XIV, 136 Seiten}, year = {2021}, abstract = {Ziel der Arbeit war es eine spielerische Lernanwendung f{\"u}r Studierende der FH-Aachen zu entwickeln, um das individuelle Lernen zu f{\"o}rdern. Dabei lag der Fokus auf der Konzeptentwicklung eines Serious Games f{\"u}r die Fachhochschule Aachen. Abgeleitet von Motivationstheorien, Game Design Frameworks und Eigenschaften von digitalen spielerischen Konzepten wurde ein Vorgehensmodell zur Konzeptentwicklung eines Serious Games erstellt. Wichtige Punkte f{\"u}r die Anwendung waren eine intensive Austauschm{\"o}glichkeiten f{\"u}r Studierende und das Integrieren dieser in die Lehrveranstaltungen der FH-Aachen. In der abschließenden Evaluation wurde positives Feedback der Studierenden eingeholt und damit das Ziel der Arbeit erreicht. Zus{\"a}tzlich wurde f{\"u}r das erarbeitete Konzept die Wirtschaftlichkeit {\"u}berpr{\"u}ft. Daf{\"u}r wurde w{\"a}hrend der Bearbeitungszeit mit einem aufgestellten Team ein Business Plan f{\"u}r das F{\"o}rderprogramm Start-Up transfer.NRW entwickelt.}, language = {de} } @inproceedings{NeumannAdamBackesetal.2021, author = {Neumann, Hannah and Adam, Mario and Backes, Klaus and B{\"o}rner, Martin and Clees, Tanja and Doetsch, Christian and Glaeser, Susanne and Herrmann, Ulf and May, Johanna and Rosenthal, Florian and Sauer, Dirk Uwe and Stadler, Ingo}, title = {Development of open educational resources for renewable energy and the energy transition process}, series = {ISES SWC 2021}, booktitle = {ISES SWC 2021}, publisher = {International Solar Energy Society}, address = {Freiburg}, doi = {10.18086/swc.2021.47.03}, pages = {6 Seiten}, year = {2021}, abstract = {The dissemination of knowledge about renewable energies is understood as a social task with the highest topicality. The transfer of teaching content on renewable energies into digital open educational resources offers the opportunity to significantly accelerate the implementation of the energy transition. Thus, in the here presented project six German universities create open educational resources for the energy transition. These materials are available to the public on the internet under a free license. So far there has been no publicly accessible, editable media that cover entire learning units about renewable energies extensively and in high technical quality. Thus, in this project, the content that remains up-to-date for a longer period is appropriately prepared in terms of media didactics. The materials enable lecturers to provide students with in-depth training about technologies for the energy transition. In a particular way, the created material is also suitable for making the general public knowledgeable about the energy transition with scientifically based material.}, language = {en} } @techreport{Drescher2021, type = {Working Paper}, author = {Drescher, Hans Paul}, title = {Turbulence - minimum dissipation and maximum macroscopic momentum exchange}, pages = {44 Seiten}, year = {2021}, abstract = {The minimum dissipation requirement of the thermodynamics of irreversible processes is applied to characterize the existence of laminar and non-laminar, and the co-existence of laminar and turbulent flow zones. Local limitations of the different zones and three different forms of transition are defined. For the Couette flow a non-local "corpuscular" flow mechanism explains the logarithmic law-of-the-wall, maximum turbulent dimensions and a value x=0,415 for the v. K{\´a}rm{\´a}n constant. Limitations of the logarithmic law near the wall and in the centre of the experiment are interpreted.}, language = {en} } @article{BiewendtBlaschkeBoehnert2021, author = {Biewendt, Marcel and Blaschke, Florian and B{\"o}hnert, Arno}, title = {A review of contemporary challenges in business culture}, series = {International Journal of Applied Research in Business and Management}, volume = {2}, journal = {International Journal of Applied Research in Business and Management}, number = {1}, publisher = {Wohllebe \& Ross Publishing}, address = {Hamburg}, issn = {2700-8983}, doi = {10.51137/ijarbm.2021.2.1.1}, pages = {1 -- 12}, year = {2021}, abstract = {The following article deals with the basic principles of intercultural management and possible improvements in terms of cultural, ethnic and gender diversification. The results are exemplarily applied to a bank located in Germany. The aim of this paper is to find out to what extent intercultural management could improve the productivity of Relatos-Bank in dealing with foreign employees or employees with a different cultural background. To achieve this goal, the authors con-duct a literature research. The main sources of information are books, journal articles and internet sources. It becomes clear that especially the different perceptions of different generations have a potential for conflict, which can be counteracted by applying presented scientific models. Equalizing the salaries of female and male employees and equalizing the rights and distribution of power could also be the key to becoming an open-minded, dynamic and fair organization that is pre-pared for the rapidly changing environment in which it operates.}, language = {en} } @article{BiewendtBlaschkeBoehnert2021, author = {Biewendt, Marcel and Blaschke, Florian and B{\"o}hnert, Arno}, title = {Motivational factors in organisational change}, series = {SocioEconomic Challenges}, volume = {5}, journal = {SocioEconomic Challenges}, number = {3}, publisher = {ARMG}, address = {Sumy}, issn = {2520-6214}, doi = {10.21272/sec.5(3).15-27.2021}, pages = {15 -- 27}, year = {2021}, abstract = {The presented paper gives an overview of the most important and most common theories and concepts from the economic field of organisational change and is also enriched with quantitative publication data, which underlines the relevance of the topic. In particular, the topic presented is interwoven in an interdisciplinary way with economic psychological models, which are underpinned within the models with content from leading scholars in the field. The pace of change in companies is accelerating, as is technological change in our society. Adaptations of the corporate structure, but also of management techniques and tasks, are therefore indispensable. This includes not only the right approaches to employee motivation, but also the correct use of intrinsic and extrinsic motivational factors. Based on the hypothesis put forward by the scientist and researcher Rollinson in his book "Organisational behaviour and analysis" that managers believe motivational resources are available at all times, socio-economic and economic psychological theories are contrasted here in order to critically examine this statement. In addition, a fictitious company was created as a model for this work in order to illustrate the effects of motivational deficits in practice. In this context, the theories presented are applied to concrete problems within the model and conclusions are drawn about their influence and applicability. This led to the conclusion that motivation is a very individual challenge for each employee, which requires adapted and personalised approaches. On the other hand, the recommendations for action for supervisors in the case of motivation deficits also cannot be answered in a blanket manner, but can only be solved with the help of professional, expert-supported processing due to the economic-psychological realities of motivation. Identifying, analysing and remedying individual employee motivation deficits is, according to the authors, a problem and a challenge of great importance, especially in the context of rapidly changing ecosystems in modern companies, as motivation also influences other factors such as individual productivity. The authors therefore conclude that good motivation through the individual and customised promotion and further training of employees is an important point for achieving important corporate goals in order to remain competitive on the one hand and to create a productive and pleasant working environment on the other.}, language = {en} } @article{FiedlerOrzadaFloeseretal.2021, author = {Fiedler, Thomas M. and Orzada, Stephan and Fl{\"o}ser, Martina and Rietsch, Stefan H. G. and Quick, Harald H. and Ladd, Mark E. and Bitz, Andreas}, title = {Performance analysis of integrated RF microstrip transmit antenna arrays with high channel count for body imaging at 7 T}, series = {NMR in Biomedicine}, volume = {34}, journal = {NMR in Biomedicine}, number = {7}, publisher = {Wiley}, address = {Weinheim}, issn = {0952-3480 (ISSN)}, doi = {10.1002/nbm.4515}, pages = {18 SeitenWiley}, year = {2021}, abstract = {The aim of the current study was to investigate the performance of integrated RF transmit arrays with high channel count consisting of meander microstrip antennas for body imaging at 7 T and to optimize the position and number of transmit ele- ments. RF simulations using multiring antenna arrays placed behind the bore liner were performed for realistic exposure conditions for body imaging. Simulations were performed for arrays with as few as eight elements and for arrays with high channel counts of up to 48 elements. The B1+ field was evaluated regarding the degrees of freedom for RF shimming in the abdomen. Worst-case specific absorption rate (SARwc ), SAR overestimation in the matrix compression, the number of virtual obser- vation points (VOPs) and SAR efficiency were evaluated. Constrained RF shimming was performed in differently oriented regions of interest in the body, and the devia- tion from a target B1+ field was evaluated. Results show that integrated multiring arrays are able to generate homogeneous B1+ field distributions for large FOVs, espe- cially for coronal/sagittal slices, and thus enable body imaging at 7 T with a clinical workflow; however, a low duty cycle or a high SAR is required to achieve homoge- neous B1+ distributions and to exploit the full potential. In conclusion, integrated arrays allow for high element counts that have high degrees of freedom for the pulse optimization but also produce high SARwc , which reduces the SAR accuracy in the VOP compression for low-SAR protocols, leading to a potential reduction in array performance. Smaller SAR overestimations can increase SAR accuracy, but lead to a high number of VOPs, which increases the computational cost for VOP evaluation and makes online SAR monitoring or pulse optimization challenging. Arrays with interleaved rings showed the best results in the study.}, language = {en} } @article{Kleefeld2021, author = {Kleefeld, Andreas}, title = {The hot spots conjecture can be false: some numerical examples}, series = {Advances in Computational Mathematics}, volume = {47}, journal = {Advances in Computational Mathematics}, publisher = {Springer}, address = {Dordrecht}, issn = {1019-7168}, doi = {10.1007/s10444-021-09911-5}, year = {2021}, abstract = {The hot spots conjecture is only known to be true for special geometries. This paper shows numerically that the hot spots conjecture can fail to be true for easy to construct bounded domains with one hole. The underlying eigenvalue problem for the Laplace equation with Neumann boundary condition is solved with boundary integral equations yielding a non-linear eigenvalue problem. Its discretization via the boundary element collocation method in combination with the algorithm by Beyn yields highly accurate results both for the first non-zero eigenvalue and its corresponding eigenfunction which is due to superconvergence. Additionally, it can be shown numerically that the ratio between the maximal/minimal value inside the domain and its maximal/minimal value on the boundary can be larger than 1 + 10- 3. Finally, numerical examples for easy to construct domains with up to five holes are provided which fail the hot spots conjecture as well.}, language = {en} } @inproceedings{WildCzupallaFoerstner2021, author = {Wild, Dominik and Czupalla, Markus and F{\"o}rstner, Roger}, title = {Modeling, prediction and test of additive manufactured integral structures with embedded lattice and phase change material applying Infused Thermal Solutions (ITS)}, series = {ICES104: Advances in Thermal Control Technology}, booktitle = {ICES104: Advances in Thermal Control Technology}, publisher = {Texas Tech University}, address = {Lubbock, Tex.}, pages = {12 Seiten}, year = {2021}, abstract = {Infused Thermal Solutions (ITS) introduces a method for passive thermal control to stabilize structural components thermally without active heating and cooling systems, but with phase change material (PCM) for thermal energy storage (TES), in combination with lattice - both embedded in additive manufactured functional structures. In this ITS follow-on paper a thermal model approach and associated predictions are presented, related on the ITS functional breadboards developed at FH Aachen. Predictive TES by PCM is provided by a specially developed ITS PCM subroutine, which is applicable in ESATAN. The subroutine is based on the latent heat storage (LHS) method to numerically embed thermo-physical PCM behavior. Furthermore, a modeling approach is introduced to numerically consider the virtual PCM/lattice nodes within the macro-encapsulated PCM voids of the double wall ITS design. Related on these virtual nodes, in-plane and out-of-plane conductive links are defined. The recent additive manufactured ITS breadboard series are thermally cycled in the thermal vacuum chamber, both with and without embedded PCM. Related on breadboard hardware tests, measurement results are compared with predictions and are subsequently correlated. The results of specific simulations and measurements are presented. Recent predictive results of star tracker analyses are also presented in ICES-2021-106, based on this ITS PCM subroutine.}, language = {en} } @inproceedings{KohlbergerWildKasperetal.2021, author = {Kohlberger, David-Sharif and Wild, Dominik and Kasper, Stefan and Czupalla, Markus}, title = {Modeling and analyses of a thermal passively stabilized LEO/GEO star tracker with embedded phase change material applying the Infused Thermal Solutions (ITS) method}, series = {ICES202: Satellite, Payload, and Instrument Thermal Control}, booktitle = {ICES202: Satellite, Payload, and Instrument Thermal Control}, publisher = {Texas Tech University}, address = {Lubbock, Tex.}, pages = {12 Seiten}, year = {2021}, abstract = {Phase change materials offer a way of storing excess heat and releasing it when it is needed. They can be utilized as a method to control thermal behavior without the need for additional energy. This work focuses on exploring the potential of using phase change materials to passively control the thermal behavior of a star tracker by infusing it with a fitting phase change material. Based on the numerical model of the star trackers thermal behavior using ESATAN-TMS without implemented phase change material, a fitting phase change material for selected orbits is chosen and implemented in the thermal model. The altered thermal behavior of the numerical model after the implementation is analyzed for different amounts of the chosen phase change materials using an ESATAN-based subroutine developed by the FH Aachen. The PCM-modelling-subroutine is explained in the paper ICES-2021-110. The results show that an increasing amount of phase change material increasingly damps temperature oscillations. Using an integral part structure some of the mass increase can be compensated.}, language = {en} } @inproceedings{SchopenKemperEsch2021, author = {Schopen, Oliver and Kemper, Hans and Esch, Thomas}, title = {Development of a comparison methodology and evaluation matrix for electrically driven compressors in ICE and FC}, series = {Proceedings of the 1st UNITED - Southeast Asia Automotive Interest Group (SAIG) International Conference}, booktitle = {Proceedings of the 1st UNITED - Southeast Asia Automotive Interest Group (SAIG) International Conference}, publisher = {FH Joanneum}, address = {Graz}, isbn = {978-3-902103-94-9}, pages = {45 -- 46}, year = {2021}, abstract = {In addition to electromobility and alternative drive systems, a focus is set on electrically driven compressors (EDC), with a high potential for increasing the efficiency of internal combustion engines (ICE) and fuel cells [01]. The primary objective is to increase the ICE torque, provided independently of the ICE speed by compressing the intake air and consequently the ICE filling level supported by the compressor. For operation independent from the ICE speed, the EDC compressor is decoupled from the turbine by using an electric compressor motor (CM) instead of the turbine. ICE performances can be increased by the use of EDC where individual compressor parameters are adapted to the respective application area [02] [03]. This task contains great challenges, increased by demands with regard to pollutant reduction while maintaining constant performance and reduced fuel consumption. The FH-Aachen is equipped with an EDC test bench which enables EDC-investigations in various configurations and operating modes. Characteristic properties of different compressors can be determined, which build the basis for a comparison methodology. Subject of this project is the development of a comparison methodology for EDC with an associated evaluation method and a defined overall evaluation method. For the application of this comparison methodology, corresponding series of measurements are carried out on the EDC test bench using an appropriate test device.}, language = {en} } @article{HacklBuessKammerlohretal.2021, author = {Hackl, Michael and Buess, Eduard and Kammerlohr, Sandra and Nacov, Julia and Staat, Manfred and Leschinger, Tim and M{\"u}ller, Lars P. and Wegmann, Kilian}, title = {A "comma sign"-directed subscapularis repair in anterosuperior rotator cuff tears yields biomechanical advantages in a cadaveric model}, series = {The american journal of sports medicine}, volume = {49}, journal = {The american journal of sports medicine}, number = {12}, publisher = {Sage}, address = {London}, issn = {1552-3365}, doi = {10.1177/03635465211031506}, pages = {3212 -- 3217}, year = {2021}, abstract = {Background: Additional stabilization of the "comma sign" in anterosuperior rotator cuff repair has been proposed to provide biomechanical benefits regarding stability of the repair. Purpose: This in vitro investigation aimed to investigate the influence of a comma sign-directed reconstruction technique for anterosuperior rotator cuff tears on the primary stability of the subscapularis tendon repair. Study Design: Controlled laboratory study. Methods: A total of 18 fresh-frozen cadaveric shoulders were used in this study. Anterosuperior rotator cuff tears (complete full-thickness tear of the supraspinatus and subscapularis tendons) were created, and supraspinatus repair was performed with a standard suture bridge technique. The subscapularis was repaired with either a (1) single-row or (2) comma sign technique. A high-resolution 3D camera system was used to analyze 3-mm and 5-mm gap formation at the subscapularis tendon-bone interface upon incremental cyclic loading. Moreover, the ultimate failure load of the repair was recorded. A Mann-Whitney test was used to assess significant differences between the 2 groups. Results: The comma sign repair withstood significantly more loading cycles than the single-row repair until 3-mm and 5-mm gap formation occurred (P≤ .047). The ultimate failure load did not reveal any significant differences when the 2 techniques were compared (P = .596). Conclusion: The results of this study show that additional stabilization of the comma sign enhanced the primary stability of subscapularis tendon repair in anterosuperior rotator cuff tears. Although this stabilization did not seem to influence the ultimate failure load, it effectively decreased the micromotion at the tendon-bone interface during cyclic loading. Clinical Relevance: The proposed technique for stabilization of the comma sign has shown superior biomechanical properties in comparison with a single-row repair and might thus improve tendon healing. Further clinical research will be necessary to determine its influence on the functional outcome.}, language = {en} } @article{Staat2021, author = {Staat, Manfred}, title = {An extension strain type Mohr-Coulomb criterion}, series = {Rock mechanics and rock engineering}, volume = {54}, journal = {Rock mechanics and rock engineering}, number = {12}, publisher = {Springer Nature}, address = {Cham}, issn = {1434-453X}, doi = {10.1007/s00603-021-02608-7}, pages = {6207 -- 6233}, year = {2021}, abstract = {Extension fractures are typical for the deformation under low or no confining pressure. They can be explained by a phenomenological extension strain failure criterion. In the past, a simple empirical criterion for fracture initiation in brittle rock has been developed. In this article, it is shown that the simple extension strain criterion makes unrealistic strength predictions in biaxial compression and tension. To overcome this major limitation, a new extension strain criterion is proposed by adding a weighted principal shear component to the simple criterion. The shear weight is chosen, such that the enriched extension strain criterion represents the same failure surface as the Mohr-Coulomb (MC) criterion. Thus, the MC criterion has been derived as an extension strain criterion predicting extension failure modes, which are unexpected in the classical understanding of the failure of cohesive-frictional materials. In progressive damage of rock, the most likely fracture direction is orthogonal to the maximum extension strain leading to dilatancy. The enriched extension strain criterion is proposed as a threshold surface for crack initiation CI and crack damage CD and as a failure surface at peak stress CP. Different from compressive loading, tensile loading requires only a limited number of critical cracks to cause failure. Therefore, for tensile stresses, the failure criteria must be modified somehow, possibly by a cut-off corresponding to the CI stress. Examples show that the enriched extension strain criterion predicts much lower volumes of damaged rock mass compared to the simple extension strain criterion.}, language = {en} } @incollection{EngelmannShashaSlabu2021, author = {Engelmann, Ulrich M. and Shasha, Carolyn and Slabu, Ioana}, title = {Magnetic nanoparticle relaxation in biomedical application: focus on simulating nanoparticle heating}, series = {Magnetic nanoparticles in human health and medicine}, booktitle = {Magnetic nanoparticles in human health and medicine}, publisher = {Wiley-Blackwell}, address = {Hoboken, New Jeersey}, isbn = {978-1-119-75467-1}, pages = {327 -- 354}, year = {2021}, language = {en} } @incollection{Kurz2021, author = {Kurz, Melanie}, title = {Zur Multikausalit{\"a}t von Designentscheidungen - eine Beispielsammlung}, series = {Designentscheidungen: {\"u}ber Begr{\"u}ndungen im Entwurfsprozess}, booktitle = {Designentscheidungen: {\"u}ber Begr{\"u}ndungen im Entwurfsprozess}, publisher = {avedition}, address = {Stuttgart}, isbn = {978-3-89986-353-6}, pages = {22 -- 43}, year = {2021}, language = {de} } @inproceedings{BornheimGriegerBialonski2021, author = {Bornheim, Tobias and Grieger, Niklas and Bialonski, Stephan}, title = {FHAC at GermEval 2021: Identifying German toxic, engaging, and fact-claiming comments with ensemble learning}, series = {Proceedings of the GermEval 2021 Workshop on the Identification of Toxic, Engaging, and Fact-Claiming Comments : 17th Conference on Natural Language Processing KONVENS 2021}, booktitle = {Proceedings of the GermEval 2021 Workshop on the Identification of Toxic, Engaging, and Fact-Claiming Comments : 17th Conference on Natural Language Processing KONVENS 2021}, publisher = {Heinrich Heine University}, address = {D{\"u}sseldorf}, doi = {10.48415/2021/fhw5-x128}, pages = {105 -- 111}, year = {2021}, language = {en} } @book{KurzSchwer2021, author = {Kurz, Melanie and Schwer, Thilo}, title = {Designentscheidungen : {\"u}ber Begr{\"u}ndungen im Entwurfsprozess / herausgegeben von Melanie Kurz und Thilo Schwer}, series = {Schriften / Gesellschaft f{\"u}r Designgeschichte}, journal = {Schriften / Gesellschaft f{\"u}r Designgeschichte}, publisher = {avedition}, address = {Stuttgart}, isbn = {978-3-89986-353-6}, pages = {143 Seiten : Illustrationen}, year = {2021}, language = {de} } @article{Bung2021, author = {Bung, Daniel Bernhard}, title = {Extreme flooding in Western Germany: some thoughts on hazards, return periods and risk}, series = {Hydrolink}, journal = {Hydrolink}, number = {4}, publisher = {International Association for Hydro-Environment Engineering and Research (IAHR)}, address = {Madrid}, pages = {108 -- 113}, year = {2021}, abstract = {The low-pressure system Bernd involved extreme rainfalls in the Western part of Germany in July 2021, resulting in major floods, severe damages and a tremendous number of casualties. Such extreme events are rare and full flood protection can never be ensured with reasonable financial means. But still, this event must be starting point to reconsider current design concepts. This article aims at sharing some thoughts on potential hazards, the selection of return periods and remaining risk with the focus on Germany.}, language = {en} } @article{OertelBung2021, author = {Oertel, Mario and Bung, Daniel Bernhard}, title = {Hochwasserschutz - eine Aufgabe f{\"u}r eine nachhaltige Wasserwirtschaft}, series = {Wasserwirtschaft}, volume = {111}, journal = {Wasserwirtschaft}, number = {9-10}, publisher = {Springer Vieweg}, address = {Wiesbaden}, issn = {0043-0978}, pages = {3 -- 19}, year = {2021}, language = {de} } @article{SaretzkiBergmannDahmannetal.2021, author = {Saretzki, Charlotte and Bergmann, Ole and Dahmann, Peter and Janser, Frank and Keimer, Jona and Machado, Patricia and Morrison, Audry and Page, Henry and Pluta, Emil and St{\"u}bing, Felix and K{\"u}pper, Thomas}, title = {Are small airplanes safe with regards to COVID-19 transmission?}, series = {Journal of Travel Medicine}, volume = {28}, journal = {Journal of Travel Medicine}, number = {7}, publisher = {Oxford University Press}, address = {Oxford}, issn = {1708-8305}, doi = {10.1093/jtm/taab105}, year = {2021}, language = {en} } @misc{MayntzKeimerTegtmeyeretal.2021, author = {Mayntz, Joscha and Keimer, Jona and Tegtmeyer, Philipp and Dahmann, Peter and Hille, Sebastian and Stumpf, Eike and Fisher, Alex and Dorrington, Graham}, title = {Aerodynamic Investigation on Efficient Inflight Transition of a Propeller from Propulsion to Regeneration Mode}, series = {AIAA SCITECH 2022 Forum}, journal = {AIAA SCITECH 2022 Forum}, publisher = {AIAA}, address = {Reston, Va.}, doi = {10.2514/6.2022-0546}, year = {2021}, abstract = {This paper discusses a new way of inflight power regeneration for electric or hybrid-electric driven general aviation aircraft with one powertrain for both configurations. Three different approaches for the shift from propulsion to regeneration mode are analyzed. Numerical cal-culation and wind tunnel results are compared and show the highest regeneration potential for the "Windmill" approach, where the propeller blades are flipped, and rotation is reversed. A combination of all regeneration approaches for a realistic flight mission is discussed.}, language = {en} } @article{BergmannGoettenBraunetal.2022, author = {Bergmann, Ole and G{\"o}tten, Falk and Braun, Carsten and Janser, Frank}, title = {Comparison and evaluation of blade element methods against RANS simulations and test data}, series = {CEAS Aeronautical Journal}, volume = {13}, journal = {CEAS Aeronautical Journal}, publisher = {Springer}, address = {Wien}, issn = {1869-5590 (Online)}, doi = {10.1007/s13272-022-00579-1}, pages = {535 -- 557}, year = {2022}, abstract = {This paper compares several blade element theory (BET) method-based propeller simulation tools, including an evaluation against static propeller ground tests and high-fidelity Reynolds-Average Navier Stokes (RANS) simulations. Two proprietary propeller geometries for paraglider applications are analysed in static and flight conditions. The RANS simulations are validated with the static test data and used as a reference for comparing the BET in flight conditions. The comparison includes the analysis of varying 2D aerodynamic airfoil parameters and different induced velocity calculation methods. The evaluation of the BET propeller simulation tools shows the strength of the BET tools compared to RANS simulations. The RANS simulations underpredict static experimental data within 10\% relative error, while appropriate BET tools overpredict the RANS results by 15-20\% relative error. A variation in 2D aerodynamic data depicts the need for highly accurate 2D data for accurate BET results. The nonlinear BET coupled with XFOIL for the 2D aerodynamic data matches best with RANS in static operation and flight conditions. The novel BET tool PropCODE combines both approaches and offers further correction models for highly accurate static and flight condition results.}, language = {en} } @incollection{AkimbekovDigelRazzaque2022, author = {Akimbekov, Nuraly S. and Digel, Ilya and Razzaque, Mohammed S.}, title = {Role of vitamins in maintaining structure and function of intestinal microbiome}, series = {Comprehensive Gut Microbiota}, booktitle = {Comprehensive Gut Microbiota}, publisher = {Elsevier}, address = {Amsterdam}, isbn = {978-0-12-822036-8}, doi = {10.1016/B978-0-12-819265-8.00043-7}, pages = {320 -- 334}, year = {2022}, abstract = {The recent advances in microbiology have shed light on understanding the role of vitamins beyond the nutritional range. Vitamins are critical in contributing to healthy biodiversity and maintaining the proper function of gut microbiota. The sharing of vitamins among bacterial populations promotes stability in community composition and diversity; however, this balance becomes disturbed in various pathologies. Here, we overview and analyze the ability of different vitamins to selectively and specifically induce changes in the intestinal microbial community. Some schemes and regularities become visible, which may provide new insights and avenues for therapeutic management and functional optimization of the gut microbiota.}, language = {en} } @misc{Nordmann2022, type = {Master Thesis}, author = {Nordmann, Alexander}, title = {Prozess{\"u}berwachung beim Werkzeugschleifen von WC-Co Hartmetallschaftfr{\"a}sern}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {xi, 54 Seiten}, year = {2022}, language = {de} } @masterthesis{Vu2022, type = {Bachelor Thesis}, author = {Vu, Tuan Dat}, title = {Objekterkennung und Schienenerkennung in der Schienenfahrzeugtechnik}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {72 Seiten}, year = {2022}, language = {de} } @article{WerfelGuenthnerHapfelmeieretal.2022, author = {Werfel, Stanislas and G{\"u}nthner, Roman and Hapfelmeier, Alexander and Hanssen, Henner and Kotliar, Konstantin and Heemann, Uwe and Schmaderer, Christoph}, title = {Identification of cardiovascular high-risk groups from dynamic retinal vessel signals using untargeted machine learning}, series = {Cardiovascular Research}, volume = {118}, journal = {Cardiovascular Research}, number = {2}, editor = {Guzik, Tomasz J.}, publisher = {Oxford University Press}, address = {Oxford}, issn = {0008-6363}, doi = {10.1093/cvr/cvab040}, pages = {612 -- 621}, year = {2022}, abstract = {Dynamic retinal vessel analysis (DVA) provides a non-invasive way to assess microvascular function in patients and potentially to improve predictions of individual cardiovascular (CV) risk. The aim of our study was to use untargeted machine learning on DVA in order to improve CV mortality prediction and identify corresponding response alterations.}, language = {en} } @article{Golland2022, author = {Golland, Alexander}, title = {Aufsicht und Rechtsdurchsetzung bei unzul{\"a}ssigem Einsatz von Cookies \& Co. unter Geltung des TTDSG}, series = {DSB Datenschutz-Berater}, volume = {46}, journal = {DSB Datenschutz-Berater}, number = {1}, publisher = {DFV Mediengruppe}, address = {Frankfurt a.M.}, isbn = {0170-7256}, pages = {14 -- 16}, year = {2022}, language = {de} } @masterthesis{KoenenPohlen2022, type = {Bachelor Thesis}, author = {Koenen, Rachel and Pohlen, Britta}, title = {Energie zur Teilhabe : Etablierung einer Plattform zum Ausbau der Energiewende f{\"u}r st{\"a}dtische Mieter}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {175 Seiten}, year = {2022}, abstract = {Die gelungene Energiewende ist essenziell auf dem Weg zur geplanten Klimaneutralit{\"a}t bis 2045. M{\"o}glichkeiten f{\"u}r Immobilienbesitzer:innen, sich am Ausbau erneuerbarer Energien zu beteiligen, sind {\"u}berwiegend bekannt. Mieter:innen im urbanen Raum werden jedoch nicht ad{\"a}quat dar{\"u}ber aufgekl{\"a}rt, wie auch sie teilhaben k{\"o}nnen. Die Online-Plattform „energiewende-teilhaben.de"" zentriert Wissen und schl{\"a}gt konkrete personalisierte Maßnahmen zur Partizipation vor. Eine Werbekampagne etabliert die Plattform im st{\"a}dtischen Raum und zeigt bereits motivierten Mieter:innen einfache M{\"o}glichkeiten zur Beteiligung auf. Durch eine hohe Sichtbarkeit der wachsenden Community werden noch Unbeteiligte angesteckt und die Wende in der Stadt ausgel{\"o}st. Die Kampagne lenkt die Motivationsenergie der Bev{\"o}lkerung {\"u}ber die Plattform auf Teilhabe und Klimaschutz.}, language = {de} } @masterthesis{Puzich2022, type = {Bachelor Thesis}, author = {Puzich, Simon}, title = {komuniiio : Generationenaustausch \& Engagement neu gedacht}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {259 Seiten}, year = {2022}, abstract = {Aktuelle Ehren{\"a}mter und M{\"o}glichkeiten des Austauschs sind in alten Strukturen festgefahren und erfahren wenig Aufmerksamkeit. Die Potenziale von {\"a}lteren Generationen werden zu selten gesch{\"a}tzt und ausgesch{\"o}pft. Dazu werden Sie in vielen neuen Dingen und Anwendungen nicht als Nutzer:innengruppe beachtet und somit Schritt f{\"u}r Schritt ausgegrenzt. Der Ansatz dieser Arbeit war es, eine gesellschaftlich f{\"o}rdernde digitale Oberfl{\"a}che f{\"u}r den Generationenaustausch zwischen jung und alt zu schaffen - unabh{\"a}ngig von Vereinsstrukturen oder Organisationen. Vereinen wir das Bewusstsein der Alten mit der Neugier und Innovationskraft der Jungen, um eine Zukunft zu schaffen, in der es sich lohnt, jung zu sein, als auch alt zu werden.}, language = {de} } @masterthesis{Roentgen2022, type = {Bachelor Thesis}, author = {Roentgen, Matthis}, title = {Ketten, die die Welt umspannen : wie funktioniert Blockchain-Technologie und was kann sie uns bieten?}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {57 Seiten}, year = {2022}, abstract = {Bitcoins und NFTs sind l{\"a}ngst keine Neuheit mehr und vielen bereits ein Begriff. Doch was genau steckt hinter digitalen W{\"a}hrungen und kryptografischen Tokens? »Ketten, die die Welt umspannen« ist die erste Ausgabe des »101.mag« und setzt sich mit dieser Frage auseinander. Das Magazin versucht {\"u}ber ein unkonventionelles Layout, interessante Artikel und spannende Illustrationen seine Leser:innen in die Welt der vielversprechenden Technologie einzuf{\"u}hren. Die Kommunikationen zwischen Mensch und Computer steht nicht nur thematisch im Mittelpunkt dieser Arbeit. Auch die Gestaltung profitiert von dieser Zusammenarbeit. So wurde der Fließtext mithilfe eines Processing-Tools {\"u}ber das Raster verteilt. Auch die Illustration wurde {\"u}ber ein weiteres Programm in verpixelte Grafiken umgewandelt. Die statischen Bild- und Textelemente werden durch kleine Animationen erg{\"a}nzt. Diese werden im digitalen Raum eingesetzt und unterst{\"u}tzen so das gesamte Konzept auf multimedialer Ebene. Das Ergebnis ist ein besonderes Magazin, welches eine neue Richtung einschl{\"a}gt.}, language = {de} } @masterthesis{Schiffers2022, type = {Bachelor Thesis}, author = {Schiffers, Simon}, title = {Historische Stoffe im Spielfilm : Zwischen Authentizit{\"a}t und Unterhaltung}, publisher = {FH Aachen}, address = {Aachen}, pages = {107 Seiten}, year = {2022}, abstract = {Historische Stoffe im Spielfilm Zwischen Authentizit{\"a}t und Unterhaltung Spielfilme {\"u}ber wahre Begebenheiten stellen sich der Herausforderung, historisch korrekte Darstellung mit einer spannenden und sehenswerten Pr{\"a}sentation zu kombinieren. Dies ist ein schwieriger Balance Akt, gerade bei Studentenprojekten mit geringem Budget. Im Kurzfilm {\"u}ber Julius Erasmus, dem „Totengr{\"a}ber von Vossenack", wurde sich dieser Aufgabe gestellt. Inhaltlich werden seine m{\"o}glichen Beweggr{\"u}nde dargestellt, die ihn dazu brachten kurz nach dem 2. Weltkrieg zahlreiche gefallene Soldaten im ehemaligen Kampfgebiet im H{\"u}rtgenwald zu begraben. Die schriftliche Dokumentation des Projektes zeigt die Recherche des verfilmten Stoffes, Herausforderungen w{\"a}hrend der Produktion, sowie pers{\"o}nliche Eindr{\"u}cke und Lerneffekte. Letztendlich ist ein Werk entstanden, dass respektvoll mit der zu Grunde liegenden Geschichte umgeht und gleichsam ein cineastisches Erlebnis f{\"u}r den Zuschauer darstellt.}, language = {de} } @masterthesis{Schmalfuss2022, type = {Bachelor Thesis}, author = {Schmalfuss, Vanessa Dana}, title = {LGBTQIA+ : Aufkl{\"a}rungskampagne f{\"u}r die Reduzierung des Gebrauchs von Schimpfw{\"o}rtern an Schulen}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {135 Seiten}, year = {2022}, abstract = {Der Missbrauch von Schimpfw{\"o}rtern im Bereich Schule, die sich gegen LGBTQIA+ richten, ist nach wie vor ein ernst zu nehmendes Problem. Durch eine Aufkl{\"a}rungskampagne wird diesem Problem entgegengewirkt. Da man den Sch{\"u}ler:innen das Benutzen von Schimpfw{\"o}rtern nicht ganz abgew{\"o}hnen kann, wird ihnen durch die Kampagne vorgemacht, wie man besser, cooler und intelligenter schimpft. Durch das Motto "Richtig schimpfen ganz unkompliziert" zeigt die Kampagne den Sch{\"u}ler:innen, wie man auf eine smarte Art und Weise mit Worten umgeht und gleichzeitig den eigenen Gebrauch von Schimpfw{\"o}rtern reflektiert.}, language = {de} } @masterthesis{Sehl2022, type = {Bachelor Thesis}, author = {Sehl, Kristina}, title = {Adapt or die : Heimische W{\"a}lder im Wandel durch Mensch und Zeit}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {316 Seiten}, year = {2022}, abstract = {Wo einst fast l{\"u}ckenlos Laubw{\"a}lder wuchsen, steht heute nur noch ein Drittel der urspr{\"u}nglichen Waldfl{\"a}che. Echte Urw{\"a}lder gibt es hier schon lange nicht mehr: Die Rede ist vom deutschen Wald. Unsere Welt ist im Wandel. Auch in unseren heimischen W{\"a}ldern lassen sich die Einfl{\"u}sse von Mensch und Klimawandel auf die Biodiversit{\"a}t beobachten. Die illustrierte Publikation „Adapt or die" l{\"a}dt mit mehr als 80 großformatigen Artenportraits, Habitat-Kartierungen und gestalteten Themenklappenseiten zur Auseinandersetzung mit dem Wandel unserer heimischen W{\"a}lder ein. Dabei sensibilisiert sie f{\"u}r einen bewussteren Umgang mit Umwelt und Natur. Erweiterungen durch Augmented Reality bieten vereinzelt neben dem Printprodukt aktualisierbare Prognosen, digital und ressourcenschonend. Das komplexe {\"O}kosystem des Waldes reagiert empfindlich auf Ver{\"a}nderungen: Wer sich nicht anpassen kann, wird verschwinden.}, language = {de} } @masterthesis{Gehrig2022, type = {Bachelor Thesis}, author = {Gehrig, Jana}, title = {Gynaika - Ungleichbehandlung ist besser}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {83 Seiten}, year = {2022}, abstract = {„Gynaika" - ist griechisch und bedeutet Frau, Frausein. Das Frausein stellt besonders in der Medizin und der Forschung ein Problem dar. Ihre Gesundheit leidet unter der Gleichbehandlung in der Medizin, da die Beschwerden von Frauen zu h{\"a}ufig nicht beachtet werden und undiagnostiziert bleiben. Das medizinisch fundierte Magazin ""Gynaika"" soll {\"u}ber Erkrankungen bei Frauen aufkl{\"a}ren, die Leser:innen zu einer Diagnose und guten Behandlung verhelfen. Beschreibung der Erkrankung, Erkl{\"a}rungen zum Ablauf im K{\"o}rper und Behandlungsm{\"o}glichkeiten stehen neben neusten Studien und Erfahrungen von Betroffenen an erster Stelle. Die Informationen werden durch erkl{\"a}rende Einsch{\"u}be sowie anschauliche Illustrationen und Grafiken begleitet. Ziel ist es, mehr Aufmerksamkeit auf die Notwendigkeit einer Ungleichbehandlung der Geschlechter in der Medizin zu ziehen.}, language = {de} } @masterthesis{Ihl2022, type = {Bachelor Thesis}, author = {Ihl, Andrea}, title = {Sehen und gesehen werden: Eine Darstellung (post-)migrantischer Perspektiven}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {81 Seiten}, year = {2022}, abstract = {In einer Welt, definiert durch Grenzziehungen, ist es vor allem f{\"u}r diejenigen schwer, ihren Platz zu finden, die bereits {\"u}ber diese hinauswachsen mussten. Denn Migration bedeutet nicht nur, eine Strecke {\"u}ber eine l{\"a}ndliche Linie hinter sich zu bringen. Oft werden die komplexen emotionalen Facetten dieser permanenten {\"U}berquerung vergessen, die {\"u}ber Generationen ihre Spuren hinterlassen. Was bedeutet es, ein Leben ganz von neu aufbauen zu m{\"u}ssen, wenn man bereits eins hinter sich gelassen hat? Wieso versp{\"u}ren wir Sehnsucht nach einer Heimat, die es so gar nicht geben kann? Und wann haben wir das Gef{\"u}hl, endlich angekommen zu sein? {\"U}ber diese und viele weitere Fragen wird in »Mesta« zusammen mit (Post-)Migrant:innen reflektiert, die intensiv ihre Erfahrungen teilen. Ziel der Publikation ist das, was meistens vernachl{\"a}ssigt wird: einfach zuzuh{\"o}ren.}, language = {de} } @masterthesis{Ioannidou2022, type = {Bachelor Thesis}, author = {Ioannidou, Martha}, title = {Master of Procrastination}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {27 Seiten}, year = {2022}, abstract = {In den letzten Jahren ist das Thema "Prokrastinieren" omnipr{\"a}sent geworden. Gegens{\"a}tzlich dazu versuchen immer mehr Menschen sich zu optimieren. Ziel dieser Arbeit ergibt sich in der Verbindung dieser paradoxen Vorg{\"a}nge. Im Video wird nicht nur der Begriff Prokrastinieren erkl{\"a}rt, sondern auch ein faktisch basierter Leitfaden zum verbesserten Aufschieben pr{\"a}sentiert. Der Zuschauer kann sich in humoristisch und ironischer Art mit der Thematik auseinandersetzten, Ohne sich mit der negativen Konnotation zu besch{\"a}ftigen. "Master of Procrastination" er{\"o}ffnet einen neuen Blickwinkel und informierten Gleichermaßen zu einer unbeliebten Problematik.}, language = {de} } @masterthesis{Koscielniak2022, type = {Bachelor Thesis}, author = {Koscielniak, Luise}, title = {Das Ludwig Forum Aachen : die Erstellung eines neuen Erscheinungsbildes}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {122 Seiten}, year = {2022}, abstract = {Peter und Irene Ludwig galten als das Kunstsammlerpaar Deutschlands. Sie stellten ihre umfangreiche Sammlung der {\"O}ffentlichkeit zur Verf{\"u}gung, so auch dem Ludwig Forum - das Stammmuseum der beiden Aachener. Doch es ist viel mehr als nur ein Museum. Der Gedanke des Forums als einen Ort des Austausches und der Kommunikation mit und {\"u}ber Kunst ist die leittragende Idee. Das neue Erscheinungsbild leitet sich in der Gestaltung bildlich von diesem Forumsgedanken ab. Zur Visualisierung dieser Idee wurden Kommunikationsachsen aufgegriffen, die zur typografischen Ausrichtung genutzt werden. Sie bieten die M{\"o}glichkeit, in verschiedene Richtungen zu kommunizieren und Inhalte vielseitig und pr{\"a}gnant zu visualisieren. Die Wortmarke des Ludwig Forums dient dabei als klammerndes Element, welches den Rahmen f{\"u}r die Gestaltung erm{\"o}glichen. Mit der Fokussierung auf den Forumsgedanken setzt sich das Ludwig Forum sowohl inhaltlich als nun auch gestalterisch von anderen Museumseinrichtungen ab.}, language = {de} } @masterthesis{Larscheid2022, type = {Bachelor Thesis}, author = {Larscheid, Maja Marlene}, title = {The Future of Fitness : Konzeption und Gestaltung einer digitalen Fitness- und Gesundheitsanwendung}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {153 Seiten}, year = {2022}, abstract = {Laut einer Langzeitstudie bewegt sich mehr als ein Viertel der Weltbev{\"o}lkerung - rund 2 Milliarden Menschen - zu wenig. Trotzdem ließ sich zuletzt klares Interesse an Fitness- und Gesundheitsm{\"o}glichkeiten am stetigen Anstieg der Fitnessstudio-Mitgliederzahl erkennen. Nachdem die Zahl seit 2006 jedes Jahr anstieg, fiel sie in den Pandemie-Jahren. Seit der Pandemie besteht also Bedarf nach einer flexibleren L{\"o}sung zu klassischen Studios. Um diesen Bedarf zu decken, wurde eine digitale L{\"o}sung zum Thema entwickelt. Dazu wurden Sport und Ern{\"a}hrung zusammengefasst. Das beinhaltet Videoanleitungen, Ern{\"a}hrungs- und Trainingsplanerstellung, individuelle K{\"o}rperanalyse im Onboarding-Prozess, Verbindung mit Wearables und ein flexibles Online- sowie Studioangebot. Meine Zielgruppe sind Menschen, die flexibel Sport machen, mit Sport anfangen oder ihre allgemeine Gesundheit verbessern wollen.}, language = {de} } @misc{Boehler2022, type = {Master Thesis}, author = {B{\"o}hler, Jennifer}, title = {Environmental injustice : how environmental inequality impacts low socio-economic communities.}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {255 Seiten}, year = {2022}, abstract = {Das Projekt besch{\"a}ftigt sich mit der Informationsvermittlung zu dem Thema "Environmental Injustice" in Form einer Website. "Environmental Injustice" beschreibt die systematische unfaire Behandlung von verschiedenen Communities durch L{\"a}nder/Regierungen, Firmen und unabh{\"a}ngige Akteure. In dem Bereich werden weitestgehend Sch{\"a}den im Zusammenhang mit Ressourcen, dessen Abbau, gef{\"a}hrlichen Abf{\"a}llen und Chancenungleichheit beschrieben. Das Projekt ist generell eine Sammlung, die als Anlaufstelle zur Weiterbildung in dem Thema dienen soll. Dies geschieht durch gestalterische Aufarbeitung, Illustration und Kategorisierung.}, language = {de} } @inproceedings{EggertDyong2022, author = {Eggert, Mathias and Dyong, Julian}, title = {Applying process mining in small and medium sized IT enterprises - challenges and guidelines}, series = {Business Process Management, 20th International Conference, BPM 2022, Proceedings}, booktitle = {Business Process Management, 20th International Conference, BPM 2022, Proceedings}, publisher = {Springer}, address = {Cham}, isbn = {978-3-031-16103-2}, doi = {10.1007/978-3-031-16103-2_11}, pages = {125 -- 142}, year = {2022}, abstract = {Process mining gets more and more attention even outside large enterprises and can be a major benefit for small and medium sized enterprises (SMEs) to gain competitive advantages. Applying process mining is challenging, particularly for SMEs because they have less resources and process maturity. So far, IS researchers analyzed process mining challenges with a focus on larger companies. This paper investigates the application of process mining by means of a case study and sheds light into the particular challenges of an IT SME. The results reveal 13 SME process mining challenges and seven guidelines to address them. In this way, the paper contributes to the understanding of process mining application in SME and shows similarities and differences to larger companies.}, language = {en} } @inproceedings{WeissHeslenfeldSaeweetal.2022, author = {Weiss, Christian and Heslenfeld, Jonas and Saewe, Jasmin Kathrin and Bremen, Sebastian and H{\"a}fner, Constantin Leon}, title = {Investigation on the influence of powder humidity in Laser Powder Bed Fusion (LPBF)}, series = {Procedia CIRP 12th CIRP Conference on Photonic Technologies [LANE 2022]}, volume = {111}, booktitle = {Procedia CIRP 12th CIRP Conference on Photonic Technologies [LANE 2022]}, publisher = {Elsevier}, address = {Amsterdam}, issn = {2212-8271}, doi = {10.1016/j.procir.2022.08.102}, pages = {115 -- 120}, year = {2022}, abstract = {In the Laser Powder Bed Fusion (LPBF) process, parts are built out of metal powder material by exposure of a laser beam. During handling operations of the powder material, several influencing factors can affect the properties of the powder material and therefore directly influence the processability during manufacturing. Contamination by moisture due to handling operations is one of the most critical aspects of powder quality. In order to investigate the influences of powder humidity on LPBF processing, four materials (AlSi10Mg, Ti6Al4V, 316L and IN718) are chosen for this study. The powder material is artificially humidified, subsequently characterized, manufactured into cubic samples in a miniaturized process chamber and analyzed for their relative density. The results indicate that the processability and reproducibility of parts made of AlSi10Mg and Ti6Al4V are susceptible to humidity, while IN718 and 316L are barely influenced.}, language = {en} } @article{CheenakulaHoffstadtKrafftetal.2022, author = {Cheenakula, Dheeraja and Hoffstadt, Kevin and Krafft, Simone and Reinecke, Diana and Klose, Holger and Kuperjans, Isabel and Gr{\"o}mping, Markus}, title = {Anaerobic digestion of algal-bacterial biomass of an Algal Turf Scrubber system}, series = {Biomass Conversion and Biorefinery}, volume = {13}, journal = {Biomass Conversion and Biorefinery}, publisher = {Springer}, address = {Berlin}, issn = {2190-6823}, doi = {10.1007/s13399-022-03236-z}, pages = {15 Seiten}, year = {2022}, abstract = {This study investigated the anaerobic digestion of an algal-bacterial biofilm grown in artificial wastewater in an Algal Turf Scrubber (ATS). The ATS system was located in a greenhouse (50°54′19ʺN, 6°24′55ʺE, Germany) and was exposed to seasonal conditions during the experiment period. The methane (CH4) potential of untreated algal-bacterial biofilm (UAB) and thermally pretreated biofilm (PAB) using different microbial inocula was determined by anaerobic batch fermentation. Methane productivity of UAB differed significantly between microbial inocula of digested wastepaper, a mixture of manure and maize silage, anaerobic sewage sludge, and percolated green waste. UAB using sewage sludge as inoculum showed the highest methane productivity. The share of methane in biogas was dependent on inoculum. Using PAB, a strong positive impact on methane productivity was identified for the digested wastepaper (116.4\%) and a mixture of manure and maize silage (107.4\%) inocula. By contrast, the methane yield was significantly reduced for the digested anaerobic sewage sludge (50.6\%) and percolated green waste (43.5\%) inocula. To further evaluate the potential of algal-bacterial biofilm for biogas production in wastewater treatment and biogas plants in a circular bioeconomy, scale-up calculations were conducted. It was found that a 0.116 km2 ATS would be required in an average municipal wastewater treatment plant which can be viewed as problematic in terms of space consumption. However, a substantial amount of energy surplus (4.7-12.5 MWh a-1) can be gained through the addition of algal-bacterial biomass to the anaerobic digester of a municipal wastewater treatment plant. Wastewater treatment and subsequent energy production through algae show dominancy over conventional technologies.}, language = {en} } @article{MonakhovaDiehl2022, author = {Monakhova, Yulia and Diehl, Bernd W.K.}, title = {Nuclear magnetic resonance spectroscopy as an elegant tool for a complete quality control of crude heparin material}, series = {Journal of Pharmaceutical and Biomedical Analysis}, volume = {219}, journal = {Journal of Pharmaceutical and Biomedical Analysis}, number = {Article number: 114915}, publisher = {Elsevier}, address = {New York, NY}, issn = {0731-7085}, doi = {10.1016/j.jpba.2022.114915}, year = {2022}, abstract = {Nuclear magnetic resonance (NMR) spectrometric methods for the quantitative analysis of pure heparin in crude heparin is proposed. For quantification, a two-step routine was developed using a USP heparin reference sample for calibration and benzoic acid as an internal standard. The method was successfully validated for its accuracy, reproducibility, and precision. The methodology was used to analyze 20 authentic porcine heparinoid samples having heparin content between 4.25 w/w \% and 64.4 w/w \%. The characterization of crude heparin products was further extended to a simultaneous analysis of these common ions: sodium, calcium, acetate and chloride. A significant, linear dependence was found between anticoagulant activity and assayed heparin content for thirteen heparinoids samples, for which reference data were available. A Diffused-ordered NMR experiment (DOSY) can be used for qualitative analysis of specific glycosaminoglycans (GAGs) in heparinoid matrices and, potentially, for quantitative prediction of molecular weight of GAGs. NMR spectrometry therefore represents a unique analytical method suitable for the simultaneous quantitative control of organic and inorganic composition of crude heparin samples (especially heparin content) as well as an estimation of other physical and quality parameters (molecular weight, animal origin and activity).}, language = {en} } @article{FalkenbergRahbaFischeretal.2022, author = {Falkenberg, Fabian and Rahba, Jade and Fischer, David and Bott, Michael and Bongaerts, Johannes and Siegert, Petra}, title = {Biochemical characterization of a novel oxidatively stable, halotolerant, and high-alkaline subtilisin from Alkalihalobacillus okhensis Kh10-101T}, series = {FEBS Open Bio}, volume = {12}, journal = {FEBS Open Bio}, number = {10}, publisher = {Wiley}, address = {Hoboken, NJ}, issn = {2211-5463}, doi = {10.1002/2211-5463.13457}, pages = {1729 -- 1746}, year = {2022}, abstract = {Halophilic and halotolerant microorganisms represent a promising source of salt-tolerant enzymes suitable for various biotechnological applications where high salt concentrations would otherwise limit enzymatic activity. Considering the current growing enzyme market and the need for more efficient and new biocatalysts, the present study aimed at the characterization of a high-alkaline subtilisin from Alkalihalobacillus okhensis Kh10-101T. The protease gene was cloned and expressed in Bacillus subtilis DB104. The recombinant protease SPAO with 269 amino acids belongs to the subfamily of high-alkaline subtilisins. The biochemical characteristics of purified SPAO were analyzed in comparison with subtilisin Carlsberg, Savinase, and BPN'. SPAO, a monomer with a molecular mass of 27.1 kDa, was active over a wide range of pH 6.0-12.0 and temperature 20-80 °C, optimally at pH 9.0-9.5 and 55 °C. The protease is highly oxidatively stable to hydrogen peroxide and retained 58\% of residual activity when incubated at 10 °C with 5\% (v/v) H2O2 for 1 h while stimulated at 1\% (v/v) H2O2. Furthermore, SPAO was very stable and active at NaCl concentrations up to 5.0 m. This study demonstrates the potential of SPAO for biotechnological applications in the future.}, language = {en} } @masterthesis{Atlioglu2022, type = {Bachelor Thesis}, author = {Atlioglu, Dennis}, title = {Live it up : eine digitale Plattform f{\"u}r die Live-Veranstaltungsbranche}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {268 Seiten}, year = {2022}, abstract = {Mit der App »atmosphere« soll die Veranstaltungsbranche in die digitale Welt eingef{\"u}hrt werden. Insbesondere nach der COVID-19 Pandemie bedarf es einer Erneuerung in dem Sektor f{\"u}r Liveunterhaltung. Die Auswirkungen der Krise auf diesen Wirtschaftszweig waren enorm und auch das Publikum litt unter der Situation. Die Mission von »atmosphere« besteht darin, den Zugang zu Veranstaltungen, Konzerten, Stand-Up-Auftritten und Festivals zu vereinfachen. Hierbei werden die Bereiche der Planung und der Buchung komplett in dem Service der App abgedeckt und die digitale Teilnahme an einem Event erm{\"o}glicht. Dies bietet neue M{\"o}glichkeiten f{\"u}r die Zukunft und dient als Alternative f{\"u}r Krisen. Insgesamt soll der Service den Zugang vereinfachen, die aufwendigen Planungsschritte reduzieren und die Knackpunkte in der Nutzererfahrung digitalisieren.}, language = {de} } @masterthesis{Franca2022, type = {Bachelor Thesis}, author = {Franca, Erma}, title = {Cai : eine Orientierungshilfe f{\"u}r Gefl{\"u}chtete und Migrant*innen in Deutschland}, publisher = {FH Aachen}, address = {Aachen}, pages = {161 Seiten}, year = {2022}, abstract = {Migration und Integration sind weltweit zwei allseits aktuelle Themen. Umso wichtiger ist es, die Ankunft und Integration von Migrant:innen und Gefl{\"u}chteten so anschaulich wie nur m{\"o}glich zu gestalten. Die Zielsetzung der Arbeit „Cai - Your guide through Germany" ist es eine digitale Anwendung in Form einer App zu konzipieren, die Gefl{\"u}chtete und Migrant:innen in Deutschland w{\"a}hrend des Migrations- und Integrationsprozesses unterst{\"u}tzt. Dies gelingt durch das strukturierte und themenspezifische Herantragen von notwendigen Informationen, Organisation sowie Selbsthilfeangeboten an die unterschiedlichen Zielgruppen. Unter der Ber{\"u}cksichtigung des Migrationsgrundes und des Standortes wird eine Ausgangssituation geschaffen mit individuellen Bed{\"u}rfnissen und Fragen, die es zu beantworten gilt. W{\"a}hrend Nutzer:innen durch „Cai" digital, selbstst{\"a}ndig und schnell an Informationen gelangen, werden gleichzeitig Beh{\"o}rden und Anlaufstellen sowie ihre Leistungen und Schwerpunkte aufgef{\"u}hrt, die Betroffene bei weiteren Anliegen aufsuchen k{\"o}nnen, um Unterst{\"u}tzung zu erhalten. Im Rahmen dieser Bachelorarbeit fokussiert sich das Projekt auf die Migrationsgruppe der Gefl{\"u}chteten sowie ihre Fragen, Herausforderungen und Bed{\"u}rfnisse in Deutschland.}, language = {de} } @masterthesis{Freh2022, type = {Bachelor Thesis}, author = {Freh, Katharine}, title = {The Distance : ein dystpischer Kurzfilm}, publisher = {FH Aachen}, address = {Aachen}, pages = {53 Seiten}, year = {2022}, abstract = {"THE DISTANCE" ist ein fiktionaler, dystopischer Kurzfilm, welcher sich mit dem Leben in einem diktatorischen Polizeistaat auseinandersetzt. Jegliche Art von Aufstand oder negativer {\"A}ußerung dem Staat gegen{\"u}ber ist untersagt und wird hoch bestraft. Ziel dieser Arbeit ist es, die Zuschauer:innen zum Denken und zum Hinterfragen gesellschaftlicher Strukturen anzuregen. Durch passende Kost{\"u}me, Locations und Set-Design entsteht eine d{\"u}stere und unbehagliche Atmosph{\"a}re. Die passende Musik und das Sounddesign unterst{\"u}tzen diese Atmosph{\"a}re und geben den Zuschauer:innen einen guten Einblick in diese neue Welt. Zuletzt stellt sich die Frage, ob Dystopien {\"u}berhaupt noch fiktional sind oder doch schon zu unserer Realit{\"a}t geworden sind.}, language = {de} } @masterthesis{Frohn2022, type = {Bachelor Thesis}, author = {Frohn, Paul}, title = {Intrinsische Raster}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {69 Seiten}, year = {2022}, abstract = {Das Projekt »Intrinsische Raster« erforscht Raster f{\"u}r Webseiten, beginnend mit Untersuchungen aus dem Bereich Print bis hin zu intrinsischen Rastern im Web. Die Entwicklung des Rasters ist von dem Bereich Print gepr{\"a}gt. Heute ist das Medium digital und responsiv. Das Raster wird im CSS definiert und ver{\"a}ndert sich intrinsisch in allen Formatgr{\"o}ßen. »Intrinsisch« beschreibt hier die neue Stufe von programmierbaren Rastern im Webdesign, welche Spalten und Module nach vordefinierten Parametern ver{\"a}ndert. Variable Fonts verf{\"u}gen {\"u}ber individuelle Parameter und werden in dem Projekt als Color Fonts in Raster integriert. Im Zentrum steht die Weiterentwicklung der Designprofession, um Raster f{\"u}r zuk{\"u}nftige Anwendungen vorzubereiten.}, language = {de} } @masterthesis{Steimel2022, type = {Bachelor Thesis}, author = {Steimel, Nina}, title = {An den Rand gedr{\"a}ngt : die Marginalisierung unserer St{\"a}dte}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {55 Seiten}, year = {2022}, abstract = {In der Arbeit »An den Rand gedr{\"a}ngt-Die Marginalisierung unserer St{\"a}dte« wird anhand des Fl{\"a}chenverbrauchs des ruhenden Verkehrs er{\"o}rtert, inwieweit der private Pkw die Entwicklung unserer St{\"a}dte bestimmt. Die Zusammenstellung verschiedener Texte, Raumbeobachtungen und fotografischer Zeitdokumente soll die Problematik und Aktualit{\"a}t des Themas verst{\"a}rken. Schritt f{\"u}r Schritt sollen die Leser:innen einen neuen Blick auf die eigene Stadt gewinnen und f{\"u}r das Problem der akuten Fl{\"a}chenknappheit sensibilisiert werden. Das Werk versteht sich als Aufruf, unseren Straßenraum zu entkarbonisieren, ihn neu zu entdecken und die m{\"o}glichen Chancen im Wandel zu erkennen. Dabei geht es zun{\"a}chst nicht um die Aufz{\"a}hlung von Klimasch{\"a}den, die Abschaffung von Parkpl{\"a}tzen oder gar des Autos, sondern um die Auswirkungen, die Parkpl{\"a}tze auf unser Leben haben und vor allem um ihr Potenzial f{\"u}r die Zukunft.}, language = {de} } @masterthesis{Surowiec2022, type = {Bachelor Thesis}, author = {Surowiec, Julia Andrea}, title = {Das wahre Gewicht des Smartphones : eine informative Erfahrung zu den {\"o}kologischen Auswirkungen}, publisher = {FH Aachen}, address = {Aachen}, pages = {70 Seiten}, year = {2022}, abstract = {Das Smartphone geh{\"o}rt zu den innovativsten Ger{\"a}ten unserer Zeit und befindet sich in einem st{\"a}ndigen Wandel, der nach immer mehr Leistung, gr{\"o}ßeren Displays und besseren Kameras strebt. Mit neuen Modellen, die j{\"a}hrlich auf den Markt kommen und den Milliarden Smartphones, die verkauft werden, entsteht aber nicht nur ein großer Markt voller Angebote, sondern gleichzeitig große Probleme f{\"u}r unsere Umwelt und letztlich auch f{\"u}r uns. Die Smartphone-Industrie schadet massiv unserem {\"O}kosystem. Das Ziel der Arbeit ist die Aufkl{\"a}rung {\"u}ber die Auswirkungen der Smartphone-Industrie. Daf{\"u}r wurden Visualisierung zu Daten und Prozessen gestaltet, die viele Aspekte des Lebenszyklus des Smartphones mit einbeziehen. Die Betrachter:innen sollen so informativ aufgekl{\"a}rt werden, ihren eigenen Konsum zu dem Thema {\"u}berdenken und ein Bewusstsein f{\"u}r ihren Elektronikverbrauch entwickeln.}, language = {de} } @masterthesis{Switalla2022, type = {Bachelor Thesis}, author = {Switalla, Justin}, title = {Applause : Entwicklung eines Dokumentationssystems f{\"u}r die station{\"a}re Altenpflege - Konzeption einer zukunftsgewandten Dokumentationsl{\"o}sung}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {213 Seiten}, year = {2022}, abstract = {Der Personalmangel in der Pflege ist vor allem durch die Pandemie in den Fokus der {\"O}ffentlichkeit ger{\"u}ckt. Diese Situation wird sich in den n{\"a}chsten Jahren aufgrund der steigenden Pflegequote in Folge des demografischen Wandels weiter zuspitzen. Das Dokumentieren der durchgef{\"u}hrten T{\"a}tigkeiten nimmt dabei viel Zeit in Anspruch, die nicht den Bewohner:innen zugutekommt. Das Dokumentationssystem „Applause" soll Pflege- und Betreuungskr{\"a}fte in ihrer Arbeit unterst{\"u}tzen und durch die einfache Nutzerf{\"u}hrung den Schulungsaufwand reduzieren. Durch die Integration von modernen medizinischen Sensoren kann innerhalb des Systems der aktuelle Gesundheitsstatus der Bewohner:innen eingesehen werden. Zus{\"a}tzlich wird die interne sowie externe Kommunikation innerhalb des Dokumentationssystems abgebildet. Bei Letzterer wird mittels einer datenschutzkonformen Software die auf Fax basierende Kommunikation abgel{\"o}st.}, language = {de} } @masterthesis{Theis2022, type = {Bachelor Thesis}, author = {Theis, Alina Naomi}, title = {Nur ein Freitag : Ein Kurzfilm {\"u}ber Verlust und Freundschaft im Schatten des Zweiten Weltkrieges.}, publisher = {FH Aachen}, address = {Aachen}, pages = {103 Seiten}, year = {2022}, abstract = {Der Film zeigt die wahre Geschichte des 15-j{\"a}hrigen Hans Jokisch, welche auf den Erz{\"a}hlungen seiner j{\"u}ngeren Schwester, der Zeitzeugin Maria Theis (geb. Jokisch), beruhen. Der Fokus liegt auf der Sichtweise von Kindern und Jugendlichen, einer Generation, die mit dem und im Zweiten Weltkrieg aufgewachsen ist und die gleichzeitig die letzte Generation ist, die uns das Erlebte noch aus erster Hand berichten kann. Hans gelangt mit seiner Familie nach einer harten Flucht vor der Frontlinie zur{\"u}ck in seine Heimat in Schlesien. Doch ihr geliebtes Heim ist besetzt von Familie Sch{\"o}ppe. Sie haben keine Wahl, die beiden Familien m{\"u}ssen sich das Haus von nun an teilen. Im Laufe der Zeit wird das Jokisch Haus auch f{\"u}r Familie Sch{\"o}ppe ein Zuhause und Hans freundet sich mit dem Jungen Bruno Sch{\"o}ppe an. Als Deutschland 1945 kapituliert und Schlesien nun zu Polen geh{\"o}rt, m{\"u}ssen pl{\"o}tzlich beide Familien endg{\"u}ltig das Haus und all ihren Besitz zur{\"u}cklassen. Hans und Bruno beschließen, die Zwangsenteignung nicht hinzunehmen, doch ihr naiver Plan wird ihnen fast zum Verh{\"a}ngnis.}, language = {de} } @masterthesis{Treutlein2022, type = {Bachelor Thesis}, author = {Treutlein, Antonia}, title = {Entwicklung eines Erscheinungsbildes f{\"u}r die Meeresschutzorganisation Ocean Care}, publisher = {FH Aachen}, address = {Aachen}, pages = {99 Seiten}, year = {2022}, abstract = {Ocean Care ist eine politisch unabh{\"a}ngige Non-Profit-Organisation mit Sitz in der Schweiz. Sie setzt sich seit 1989 f{\"u}r den Schutz von Meeress{\"a}ugern und deren Lebensraum ein. Seit 2011 ist Ocean Care außerdem UN-Sonderberaterin f{\"u}r Fragen im Meeresschutz. Da Ocean Care die {\"O}ffentlichkeit f{\"u}r das Thema Meeresschutz sensibilisieren m{\"o}chte und ihre Arbeit durch Spenden finanziert wird, ist ein professionelles, vertrauenerweckendes Erscheinungsbild unerl{\"a}sslich. Durch ein zeitgem{\"a}ßes und seri{\"o}ses Design, welches sich von anderen Organisationen abhebt, kann die Zielgruppe erweitert und die Bedeutsamkeit der Arbeit hervorgehoben werden. Das neue Erscheinungsbild beruht auf der Idee, dass sich die Informationen unter der Meeresoberfl{\"a}che befinden. Die Linie, die den Meeresspiegel visualisiert, dient außerdem medien{\"u}bergreifend als Orientierungshilfe.}, language = {de} } @masterthesis{Vasevska2022, type = {Bachelor Thesis}, author = {Vasevska, Ivana}, title = {FEEL IT_HEAL IT - the process of healing repressed emotions}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {75 Seiten}, year = {2022}, abstract = {Unsere Emotionen beeinflussen die Art und Weise, wie wir mit uns selbst und der Welt um uns herum umgehen. Sie wirken sich auf unsere geistige und k{\"o}rperliche Gesundheit aus. Da einige unserer Emotionen als „schlecht" oder „negativ" wahrgenommen werden, erlauben wir uns oft nicht, sie zu f{\"u}hlen, und wir unterdr{\"u}cken sie. Ziel dieses Projekts ist es, mithilfe von Fotografie und Grafik zu zeigen, wie man mit unangenehmen und so genannten „negativen" Emotionen umgehen kann. Der Schwerpunkt liegt gleichermaßen auf dem konzeptionellen und kreativen Teil. Dabei wurden ein Modell und wechselnde Farblichter verwendet, um die emotionalen Zust{\"a}nde einer Person darzustellen, die diese Transformation durchl{\"a}uft. Ein weiteres Ziel ist es, die Bedeutung eines bewussteren Umgangs mit unseren Emotionen zu betonen. Das Endmedium ist ein Fotobuch inkl. Piktogramme, die die f{\"u}nf Stadien repr{\"a}sentieren: Leiden, Bewusstsein, Konfrontation, Ausdruck und Akzeptanz. (Suffering, Awareness, Confrontation, Expression and Acceptance).}, language = {de} } @masterthesis{Laubkermeier2022, type = {Bachelor Thesis}, author = {Laubkermeier, Kim}, title = {trust me}, publisher = {FH Aachen}, address = {Aachen}, pages = {94 Seiten}, year = {2022}, abstract = {"trust me" ist eine schwarz-weiß Fotoserie, pr{\"a}sentiert als Diashow mit unterlegtem Soundtrack. Es geht um das Vertrauen zwischen Model, Fotografin und Betrachter:innen. Die Darsteller sind ausschließlich homosexuelle M{\"a}nner und begeben sich in intime Situationen und Posen. Die Fotos sind {\"u}berwiegend Aktaufnahmen und nehmen eine pornografische Richtung an. Die Fragestellung zu Beginn war, wie weit vertrauen die unerfahrenen Models der Fotografin und was sind diese bereit, von sich zu zeigen. Die offene Kommunikation {\"u}ber die Richtung des Projekts war die essenzielle Basis f{\"u}r die Fotoshootings. W{\"a}hrend des Fotografierens lag der Fokus auf m{\"o}glichst verschiedenen Blickwinkeln, Kulissen, Ausleuchtungen und Motiven. Zus{\"a}tzlich war der sensible Umgang mit den M{\"a}nnern eine Vertrauensprobe."trust me" l{\"a}sst auf diversen Ebenen tief blicken und zeigt, wie loslassen aussieht.}, language = {de} } @incollection{Alt2022, author = {Alt, Helmut}, title = {Speicher speichern, Leiter leiten}, series = {Generationenprojekt Energiewende : Elektroenergiepolitik im Spannungsfeld zwischen Vision und Mission / Herbert Niederhausen (Hrsg.)}, booktitle = {Generationenprojekt Energiewende : Elektroenergiepolitik im Spannungsfeld zwischen Vision und Mission / Herbert Niederhausen (Hrsg.)}, publisher = {Books on Demand}, address = {Norderstedt}, isbn = {9783755774389}, pages = {125 -- 136}, year = {2022}, language = {de} } @article{UysalCreutzFiratetal.2022, author = {Uysal, Karya and Creutz, Till and Firat, Ipek Seda and Artmann, Gerhard and Teusch, Nicole and Temiz Artmann, Ayseg{\"u}l}, title = {Bio-functionalized ultra-thin, large-area and waterproof silicone membranes for biomechanical cellular loading and compliance experiments}, series = {Polymers}, volume = {14}, journal = {Polymers}, number = {11}, publisher = {MDPI}, address = {Basel}, issn = {2073-4360}, pages = {2213}, year = {2022}, abstract = {Biocompatibility, flexibility and durability make polydimethylsiloxane (PDMS) membranes top candidates in biomedical applications. CellDrum technology uses large area, <10 µm thin membranes as mechanical stress sensors of thin cell layers. For this to be successful, the properties (thickness, temperature, dust, wrinkles, etc.) must be precisely controlled. The following parameters of membrane fabrication by means of the Floating-on-Water (FoW) method were investigated: (1) PDMS volume, (2) ambient temperature, (3) membrane deflection and (4) membrane mechanical compliance. Significant differences were found between all PDMS volumes and thicknesses tested (p < 0.01). They also differed from the calculated values. At room temperatures between 22 and 26 °C, significant differences in average thickness values were found, as well as a continuous decrease in thicknesses within a 4 °C temperature elevation. No correlation was found between the membrane thickness groups (between 3-4 µm) in terms of deflection and compliance. We successfully present a fabrication method for thin bio-functionalized membranes in conjunction with a four-step quality management system. The results highlight the importance of tight regulation of production parameters through quality control. The use of membranes described here could also become the basis for material testing on thin, viscous layers such as polymers, dyes and adhesives, which goes far beyond biological applications.}, language = {en} } @masterthesis{Lenz2022, type = {Bachelor Thesis}, author = {Lenz, Lena}, title = {Frauen sind der Boss : eine Kampagne f{\"u}r mehr Gleichberechtigung in F{\"u}hrungspositionen}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {93 Seiten}, year = {2022}, abstract = {Man k{\"o}nnte vermuten, dass in einem so weit entwickelten Land wie Deutschland Geschlechterdiskriminierung bereits erfolgreich {\"u}berwunden wurde - doch das entspricht nicht der Realit{\"a}t. Besonders in F{\"u}hrungspositionen f{\"a}llt dieses Ungleichgewicht auf. Eine Ursache daf{\"u}r ist das historisch etablierte Rollenverst{\"a}ndnis, aber auch vonseiten der Frauen gibt es h{\"a}ufig ein grundlegendes Problem: Sie trauen sich zu wenig zu. Die Kampagne soll junge Frauen dazu motivieren, ihre beruflichen Ambitionen hoch anzusetzen und zielstrebig zu verfolgen. Das Online-Portal "femiverse" ist dabei ihr Wegbereiter. Es erm{\"o}glicht einen direkten Austausch mit anderen Nutzer:innen und er{\"o}ffnet durch Workshops mit Unternehmer:innen neue Perspektiven. Die Bezeichnung „Powerfrau" ist {\"u}berholt - Frauen in F{\"u}hrungspositionen sind keine Ausnahmetalente, sie sind die Normalit{\"a}t von morgen.}, language = {de} } @masterthesis{Nelles2022, type = {Bachelor Thesis}, author = {Nelles, Charlene}, title = {Brain Hack}, publisher = {FH Aachen}, address = {Aachen}, pages = {77 Seiten}, year = {2022}, abstract = {Protagonistin des Films ist Cassandra Becker, eine 25-j{\"a}hrige Informatikstudentin und Mitglied der Hackerorganisation PFABW (Progress For a Better World). Sie hat es sich zum Ziel gesetzt, die Welt zu einem besseren Ort zu machen. Sie legt sich allerdings mit den falschen Leuten an und wird f{\"u}r die Verbreitung eines zerst{\"o}rerischen Computervirus verantwortlich gemacht, der gesundheitliche Folgen f{\"u}r den Menschen mit sich bringt. Sie und ihr bester Freund Jake Fischer haben bei einem PFABW-Mitglied Zuflucht gefunden. Dort versuchen sie gemeinsam herauszufinden, was es mit dem mysteri{\"o}sen Virus auf sich hat.}, language = {de} } @masterthesis{Neumann2022, type = {Bachelor Thesis}, author = {Neumann, Julius}, title = {Traces of urban change}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {72 Seiten}, year = {2022}, abstract = {Eine Stadt ist das Ergebnis eines komplexen Urbanisierungsprozesses. Dieser ist vor allem dadurch bestimmt, dass immer mehr Menschen in St{\"a}dten leben. Das Wachstum und Altern von St{\"a}dten machen st{\"a}ndige r{\"a}umliche und bauliche Ver{\"a}nderungen erforderlich. Die Bachelorarbeit verdeutlicht diese strukturellen Ver{\"a}nderungen der Stadt Aachen anhand von analogen Fotografien im Jahr 2022. Dabei werden Spuren aus unterschiedlichen Zeiten betrachtet und nat{\"u}rliche oder durch den Menschen beeinflusste Ver{\"a}nderungen in Form von Verfall, Nutzung und Erneuerung aufgezeigt. Ziel ist es, den Blick auf Details des urbanen Wandels zu richten, um diesen wahrnehmbar und bewusst zu machen. Die Betrachter:innen sollen zum Nachdenken und genauen Hinschauen angeregt werden. Die Fotografien versuchen den zur{\"u}ckliegenden Ver{\"a}nderungsprozess erkennen zu lassen und damit gewissermaßen dessen Geschichte abzubilden.}, language = {de} } @masterthesis{Pauly2022, type = {Bachelor Thesis}, author = {Pauly, Tim Christian}, title = {Fantasy : Die Gefahren des Internets und der Sozialen Medien in Bezug auf Kinder}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {96 Seiten}, year = {2022}, abstract = {Anhand der Geschichte des Protagonisten Max, wird auf die Gefahr des Internets und der Sozialen Medien hinsichtlich Kinder aufmerksam gemacht. Kinder sind im Internet einigen Gefahren ausgesetzt und ihre Eltern sind sich dessen oftmals kaum bewusst oder haben Probleme, das Tun der Kinder im Auge zu behalten. Die Geschichte wird durch die Lyrik eines Liedes erz{\"a}hlt. Im dazugeh{\"o}rigen Musikvideo bekommen die Zuschauer:innen einen Einblick in Max Leben und sein Leid. Des Weiteren ist zu sehen, wie Max den T{\"a}ter verurteilt, seine Fantasie gestohlen zu haben. Unklar bleibt, ob sein Auftreten w{\"a}hrenddessen in der Wirklichkeit oder aus seiner verbliebenen Fantasie heraus passiert. Sein schweres Schicksal, ausgedr{\"u}ckt mit aller H{\"a}rte, soll den Zuschauenden schockierend auf die Problematik aufmerksam machen. Das Projekt soll helfen, diese fehlende Aufmerksamkeit einzud{\"a}mmen.}, language = {de} } @masterthesis{Victoria2022, type = {Bachelor Thesis}, author = {Victoria, Jacqueline}, title = {IN BETWEEN : An attempt to capture emotions}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {83 Seiten}, year = {2022}, abstract = {Emotionen durchlebt jeder Mensch. Von unserer Geburt bis zu unserem Tod. Der Psychologe Paul Eckman hat sechs grundlegende Emotionen identifiziert. Gl{\"u}ck, Traurigkeit, Ekel, Angst, {\"U}berraschung und Wut. Emotionen k{\"o}nnen in positive und negative, aber auch in die weniger beachtete neutrale Emotion unterteilt werden. Emotionen werden st{\"a}ndig und wechselnd erlebt und sind deshalb vorstellbar als "Spektrum" oder als "Unendlichkeitschleife". Wie Menschen Emotionen erfahren, ist unterschiedlich. Sie sind abstrakt. Das Fotobuch "In Between" will das Emotionsspektrum und das Abstrakte mithilfe einer Kurzgeschichte sichtbar machen. Das Editorial und die fotografische Gestaltung greifen das Konzept der endlosen Schleife unserer Gef{\"u}hlswelt auf und machen sie erlebbar.}, language = {de} } @masterthesis{vomEndt2022, type = {Bachelor Thesis}, author = {vom Endt, Ksenia}, title = {MIR : 11 Kinder, 25 Sprachen und eine Welt - Graphic Novel {\"u}ber bilinguale Kinder}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {185 Seiten}, year = {2022}, abstract = {Durch die zunehmende Globalisierung und Immigration steigt auch weltweit die Anzahl der Kinder, die mit mehr als einer Sprache aufwachsen. Dies kann f{\"u}r sie in vielerlei Hinsicht wichtig und f{\"o}rderlich sein. In der Graphic Novel „MIR" wird in zehn Geschichten gezeigt, welche unterschiedlichen Formen von Bilingualismus es gibt, welche Vor- und Nachteile es hat, bilingual aufzuwachsen und wie es sich auf das Alltagsleben der Kinder und der ganzen Familie auswirkt. Die Geschichten sind realen Erlebnissen nachempfunden, die durch Interviews gesammelt wurden und illustrativ dargestellt sind. Mehrsprachigkeit ist weder ein Privileg noch ein Problem. Sprache ist zuallererst Kommunikation, und es ist wichtig, dass sie {\"u}berhaupt stattfindet.}, language = {de} } @masterthesis{Wetzlar2022, type = {Bachelor Thesis}, author = {Wetzlar, Jana}, title = {Vielgut Festival 2022 : Etablierung eines neuen Musikfestivals in Aachen}, publisher = {FH Aachen}, address = {Aachen}, pages = {45 Seiten}, year = {2022}, abstract = {Endlich! Nach {\"u}ber zwei Jahren kulturellen Stillstands richtet der Musiknetzwerk Aachen e.V. ein Festival aus. Die Bachelorandin Jana Wetzlar {\"u}bernimmt hierbei die Veranstaltungsplanung und -bewerbung. Der erste Teil der Arbeit umfasst die Erarbeitung eines einzigartigen Festivalkonzepts, bei dem die F{\"o}rderung von jungen Newcomerk{\"u}nstler:innen und die {\"o}kologische Nachhaltigkeit der Veranstaltung im Vordergrund stehen. Eine weitere Besonderheit stellt das parit{\"a}tisch besetzte K{\"u}nstler:innen-Line-Up dar. Im zweiten Teil der Arbeit wurden eine umfangreiche Werbekampagne sowie ein passendes Corporate Design entwickelt, die die Besonderheiten des Festivals hervorheben und viele Festivalbesucher:innen generieren sollen. Die {\"u}bergeordneten Ziele der Arbeit bestehen darin, einen Beitrag zur gesellschaftlichen Etablierung des Musiknetzwerk Aachen e.V. zu leisten und die Voraussetzungen f{\"u}r ein j{\"a}hrlich wiederkehrendes Festival zu schaffen.}, language = {de} } @masterthesis{Wojcieszak2022, type = {Bachelor Thesis}, author = {Wojcieszak, Marc David}, title = {Da Capo - The Town of Music}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {43 Seiten}, year = {2022}, abstract = {In dem Film geht es um die Musikstadt "Da Capo", in der jedes Genre sein eigenes Viertel hat. Unser Protagonist wurde im falschen Viertel geboren und muss sich nun heraus musizieren.}, language = {de} } @masterthesis{Wolf2022, type = {Bachelor Thesis}, author = {Wolf, Nina}, title = {Koexistieren : Die Stufen der Mensch-Tier-Beziehung - Vom Nutztier bis zum Personenrecht}, publisher = {FH Aachen}, address = {Aachen}, pages = {114 Seiten}, year = {2022}, abstract = {Seit 2002 ist der Tierschutz fest im Grundgesetz verankert, jedoch herrscht immer noch ein enormes Ungleichgewicht bei der letztendlichen Durchsetzung gegen{\"u}ber der Tiernutzungsinteressen. Die Nichteinhaltung des Tierschutzes stellt nicht nur aus Tierwohlsicht, sondern auch aus Klimaschutzgr{\"u}nden eine ernst zu nehmende Problematik dar, welche wir nur gemeinsam angehen k{\"o}nnen. Die Gesellschaft sollte sich {\"u}ber das eigene Konsumverhalten bewusst werden, gleichermaßen m{\"u}ssen auch {\"u}berzeugende Alternativen aufgezeigt werden. Thematisch ist die Arbeit in drei Teile gegliedert. Die Geschichte, das Recht der Tiere und die Zukunftsaussichten stehen hier im Fokus. Wichtig ist es, den Istzustand neutral darzustellen, um die Fakten nicht zu harmonisieren. Die Publikation soll nicht abschrecken, vielmehr soll sie die Leser:innen motivieren, Dinge {\"a}ndern zu wollen. Denn nur miteinander k{\"o}nnen wir friedlich „koexistieren".}, language = {de} } @masterthesis{Wolters2022, type = {Bachelor Thesis}, author = {Wolters, Marina}, title = {Zeitfenster : Prototyp einer animierten Installation zum Thema Mesokosmos und Lebensraum Erde}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {171 Seiten}, year = {2022}, abstract = {Der Prototyp des Projekts "Zeitfenster" stellt eine Installation dar, inspiriert vom Museum f{\"u}r Naturkunde Berlin. Die Installation besteht aus einer Animation, die an die Fenster des Dinosauriersaals im Museum pojiziert wird. Die Animation zeigt in einer Art Zeitreise, wie das Erbe der Natur aussieht und was der Mensch daraus macht. In der Zeit des Klimawandels setzt sich Design vermehrt f{\"u}r die Aufkl{\"a}rung des Naturschutzes ein. Die Animation soll die Zuschauer, ob Jung oder Alt, f{\"u}r die Verbindung zwischen dem Menschen und der Erde sensibilisieren. Dies wird erreicht, indem sich die Installation die atemberaubende Atmosph{\"a}re des Dinosauriersaals zu Nutze macht. Die Fenster des Saals erlauben es, die Bildnisse in beeindruckender Lebensgr{\"o}ße darzustellen. Im Fokus steht, dass der Prototyp ein Erlebnis konzipiert, welches nur durch das Zusammenspiel der verschiedenen Medien m{\"o}glich ist.}, language = {de} } @article{AbbasBalcBremenetal.2022, author = {Abbas, Karim and Balc, Nicolae and Bremen, Sebastian and Skupin, Marco}, title = {Crystallization and aging behavior of polyetheretherketone PEEK within rapid tooling and rubber molding}, series = {Journal of Manufacturing and Materials Processing}, volume = {6}, journal = {Journal of Manufacturing and Materials Processing}, number = {5}, publisher = {MDPI}, address = {Basel}, issn = {2504-4494}, doi = {10.3390/jmmp6050093}, pages = {1 -- 12}, year = {2022}, abstract = {In times of short product life cycles, additive manufacturing and rapid tooling are important methods to make tool development and manufacturing more efficient. High-performance polymers are the key to mold production for prototypes and small series. However, the high temperatures during vulcanization injection molding cause thermal aging and can impair service life. The extent to which the thermal stress over the entire process chain stresses the material and whether it leads to irreversible material aging is evaluated. To this end, a mold made of PEEK is fabricated using fused filament fabrication and examined for its potential application. The mold is heated to 200 ◦C, filled with rubber, and cured. A differential scanning calorimetry analysis of each process step illustrates the crystallization behavior and first indicates the material resistance. It shows distinct cold crystallization regions at a build chamber temperature of 90 ◦C. At an ambient temperature above Tg, crystallization of 30\% is achieved, and cold crystallization no longer occurs. Additional tensile tests show a decrease in tensile strength after ten days of thermal aging. The steady decrease in recrystallization temperature indicates degradation of the additives. However, the tensile tests reveal steady embrittlement of the material due to increasing crosslinking.}, language = {en} } @misc{Bergerhausen2022, type = {Master Thesis}, author = {Bergerhausen, Florian}, title = {Die Chance der fiktionalen Literatur : Literatur der Fiktion als Anstoß f{\"u}r Information und Diskurs}, publisher = {FH Aachen}, address = {Aachen}, year = {2022}, abstract = {Der informative Charakter fiktionaler Texte sollte nicht untersch{\"a}tzt werden. Mit dem Projekt wird durch „Buddenbrooks" von Thomas Mann gezeigt, wie relevante und redebed{\"u}rftige Themen in der Literatur angesprochen werden. Daf{\"u}r gibt es zus{\"a}tzliche Text- und Info-Impulse als erg{\"a}nzendes Buch zum Roman. Neben diesen Vertiefungsb{\"u}chern gibt es eine Inszenierung des Buches mit Beispielen aus den B{\"u}chern. Die Ausstellung kann Teil eines Messestandes sein oder f{\"u}r sich existieren und bietet einen ersten Kontakt mit der Idee des Projektes und mit den B{\"u}chern selbst. Zus{\"a}tzliches Interesse an der Arbeit wird durch Social Media Posts generiert, die den wichtigen Part des Austauschs und der Diskussion f{\"o}rdern, wozu das Projekt auch anregen m{\"o}chte. „Die Chance der fiktionalen Literatur" regt Leser:innen an, fiktionale Literatur anders zu betrachten und einen gr{\"o}ßeren Nutzen aus der Fiktion zu ziehen.}, language = {de} } @inproceedings{BuesgenKloeserKohletal.2022, author = {B{\"u}sgen, Andr{\´e} and Kl{\"o}ser, Lars and Kohl, Philipp and Schmidts, Oliver and Kraft, Bodo and Z{\"u}ndorf, Albert}, title = {Exploratory analysis of chat-based black market profiles with natural language processing}, series = {Proceedings of the 11th International Conference on Data Science, Technology and Applications}, booktitle = {Proceedings of the 11th International Conference on Data Science, Technology and Applications}, isbn = {978-989-758-583-8}, issn = {2184-285X}, doi = {10.5220/0011271400003269}, pages = {83 -- 94}, year = {2022}, abstract = {Messenger apps like WhatsApp or Telegram are an integral part of daily communication. Besides the various positive effects, those services extend the operating range of criminals. Open trading groups with many thousand participants emerged on Telegram. Law enforcement agencies monitor suspicious users in such chat rooms. This research shows that text analysis, based on natural language processing, facilitates this through a meaningful domain overview and detailed investigations. We crawled a corpus from such self-proclaimed black markets and annotated five attribute types products, money, payment methods, user names, and locations. Based on each message a user sends, we extract and group these attributes to build profiles. Then, we build features to cluster the profiles. Pretrained word vectors yield better unsupervised clustering results than current state-of-the-art transformer models. The result is a semantically meaningful high-level overview of the user landscape of black market chatrooms. Additionally, the extracted structured information serves as a foundation for further data exploration, for example, the most active users or preferred payment methods.}, language = {en} } @article{SchneiderSchwabedalBialonski2022, author = {Schneider, Jules and Schwabedal, Justus T. C. and Bialonski, Stephan}, title = {Schlafspindeln - Funktion, Detektion und Nutzung als Biomarker f{\"u}r die psychiatrische Diagnostik}, series = {Der Nervenarzt}, journal = {Der Nervenarzt}, publisher = {Springer}, address = {Berlin, Heidelberg}, issn = {1433-0407}, doi = {10.1007/s00115-022-01340-z}, pages = {1 -- 8}, year = {2022}, abstract = {Hintergrund: Die Schlafspindel ist ein Graphoelement des Elektroenzephalogramms (EEG), das im Leicht- und Tiefschlaf beobachtet werden kann. Ver{\"a}nderungen der Spindelaktivit{\"a}t wurden f{\"u}r verschiedene psychiatrische Erkrankungen beschrieben. Schlafspindeln zeigen aufgrund ihrer relativ konstanten Eigenschaften Potenzial als Biomarker in der psychiatrischen Diagnostik. Methode: Dieser Beitrag liefert einen {\"U}berblick {\"u}ber den Stand der Wissenschaft zu Eigenschaften und Funktionen der Schlafspindeln sowie {\"u}ber beschriebene Ver{\"a}nderungen der Spindelaktivit{\"a}t bei psychiatrischen Erkrankungen. Verschiedene methodische Ans{\"a}tze und Ausblicke zur Spindeldetektion werden hinsichtlich deren Anwendungspotenzial in der psychiatrischen Diagnostik erl{\"a}utert. Ergebnisse und Schlussfolgerung: W{\"a}hrend Ver{\"a}nderungen der Spindelaktivit{\"a}t bei psychiatrischen Erkrankungen beschrieben wurden, ist deren exaktes Potenzial f{\"u}r die psychiatrische Diagnostik noch nicht ausreichend erforscht. Diesbez{\"u}glicher Erkenntnisgewinn wird in der Forschung gegenw{\"a}rtig durch ressourcenintensive und fehleranf{\"a}llige Methoden zur manuellen oder automatisierten Spindeldetektion ausgebremst. Neuere Detektionsans{\"a}tze, die auf Deep-Learning-Verfahren basieren, k{\"o}nnten die Schwierigkeiten bisheriger Detektionsmethoden {\"u}berwinden und damit neue M{\"o}glichkeiten f{\"u}r die praktisch}, language = {de} } @inproceedings{OstkottePetersHueningetal.2022, author = {Ostkotte, Sebastian and Peters, Constantin and H{\"u}ning, Felix and Bragard, Michael}, title = {Design, implementation and verification of an rotational incremental position encoder based on the magnetic Wiegand effect}, series = {2022 ELEKTRO (ELEKTRO)}, booktitle = {2022 ELEKTRO (ELEKTRO)}, publisher = {IEEE}, isbn = {978-1-6654-6726-1}, issn = {2691-0616}, doi = {10.1109/ELEKTRO53996.2022.9803477}, pages = {6 Seiten}, year = {2022}, abstract = {This paper covers the use of the magnetic Wiegand effect to design an innovative incremental encoder. First, a theoretical design is given, followed by an estimation of the achievable accuracy and an optimization in open-loop operation. Finally, a successful experimental verification is presented. For this purpose, a permanent magnet synchronous machine is controlled in a field-oriented manner, using the angle information of the prototype.}, language = {en} } @masterthesis{Bayer2022, type = {Bachelor Thesis}, author = {Bayer, Sebastian}, title = {Ligatura : a contemporary blackletter}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {78 Seiten}, year = {2022}, abstract = {Die Ligatura ist eine modulare, experimentelle Schrift, die f{\"u}r die Anwendung in großen Formaten gestaltet ist. In ihrer {\"a}ußeren Erscheinung orientiert sie sich an verschiedenen gebrochenen Schriften. Der Fokus in der Gestaltung der Schrift liegt allerdings auf der Verwendung von Ligaturen, welche sowohl nach historischen als auch nach zeitgen{\"o}ssischen Vorbildern und Gestaltungsprinzipien gebildet werden. Die Ligatura erm{\"o}glicht es, eine große Anzahl an Buchstabenkombinationen als Ligatur zu setzen. Dadurch wird innerhalb der Schrift mit Abst{\"a}nden zwischen Buchstaben und somit auch mit unseren Lesegewohnheiten gespielt. Die Ligatura verbindet nicht nur Buchstaben, W{\"o}rter und Zeilen, sondern auch klassische Schriftelemente mit der Moderne.}, language = {de} } @masterthesis{Buhr2022, type = {Bachelor Thesis}, author = {Buhr, Amelie}, title = {Entschleunigen : warum unser Modekonsum verlangsamt werden muss}, publisher = {FH Aachen}, address = {Aachen}, pages = {141 Seiten}, year = {2022}, abstract = {In Zeiten von Schnelllebigkeit {\"a}ndern immer mehr Menschen bewusst ihren Umgang mit allt{\"a}glichen Dingen. Was dabei h{\"a}ufig in den Hintergrund r{\"u}ckt, ist das Thema "bewusste Kleidung". Beeinflusst durch sogenannte Fast-Fashion-Modeketten und Social Media leben wir in einer regelrechten Wegwerfgesellschaft. „Entschleunigen" besch{\"a}ftigt sich mit den Schattenseiten der Modeindustrie, zeigt aber ebenso (neue) Wege auf, die auf eine bessere Zukunft f{\"u}r uns und unsere Umwelt hoffen lassen. Aufgeteilt in zwei Kapitel gibt „Entschleunigen" einen Einblick in den {\"o}kologischen und sozialen Fußabdruck der Modeindustrie und stellt zum anderen die Gegenseite vor, bei der Wert auf faire Produktion und Nachhaltigkeit gelegt wird. Das Buch „Entschleunigen" soll {\"u}ber die Missst{\"a}nde in der Textilbranche informieren, jedoch im Umkehrschluss dazu motivieren, diese mit einfachen Mitteln zu verbessern.}, language = {de} } @masterthesis{Cekic2022, type = {Bachelor Thesis}, author = {Cekic, Dilara}, title = {Visionsbild eines BMW AG internen Tools : Optimierung einer datenzentrierten Plattform der BMW AG}, publisher = {FH Aachen}, address = {Aachen}, year = {2022}, abstract = {Die BMW AG verfolgt mehrere Ans{\"a}tze eine optimierte Effizienzsteigerung durch eigens entwickelte Softwaretools zu erreichen. Der Fokus hierbei liegt in der Erm{\"o}glichung einer datenzentrierten, nutzerorientierten und hochautomatisierten Fahrzeugentwicklung. Das eigen von der BMW AG entwickelte Software-Tool „Parts List" dient als digitale Bauteilliste f{\"u}r Entwicklungsteams. Das Tool b{\"u}ndelt mehrere Datenbanken und stellt diese in Echtzeit zur Verf{\"u}gung. Somit kann der manuelle Pflegeaufwand erheblich reduziert und eine Durchg{\"a}ngigkeit einer Vielzahl von Daten erm{\"o}glicht werden. Der Fokus der Abschlussarbeit liegt in der konzeptionellen und gestalterischen Optimierung des Tools. Dabei wird insbesondere der User Centered Design Prozess betrachtet, bei dem die Nutzer bzw. die Entwicklungsteams im Zentrum stehen.}, language = {de} } @masterthesis{Crott2022, type = {Bachelor Thesis}, author = {Crott, Anne}, title = {Textil- und Industriemuseum (TIM) Augsburg : Entwicklung eines neuen Erscheinungsbildes}, publisher = {FH Aachen}, address = {Aachen}, pages = {131 Seiten}, year = {2022}, abstract = {Die Stadt Augsburg war eine der gr{\"o}ßten Textilst{\"a}dte Europas. Seit 2010 pr{\"a}sentiert das Textil- und Industriemuseum (TIM) eine Vielzahl von Exponaten in der alten Kammgarnspinnerei im ehemaligen Augsburger Textilviertel und ist somit ein wichtiger Bestandteil der bayrischen Museumslandschaft und deutschen Textilgeschichte. Neben seiner besonderen Lage {\"u}berzeugt das TIM vor allem mit einer großen Musterbuchsammlung. Im Fokus des in dieser Arbeit neugestalteten Erscheinungsbildes stehen die verschiedenen Muster, die den textilen Schwerpunkt in den Vordergrund r{\"u}cken und dem Museum damit einen einpr{\"a}gsamen Wiedererkennungswert geben. Mithilfe des neuen Corporate Designs soll das Museum f{\"u}r regionale und {\"u}berregionale Besucher:innen attraktiver gemacht und somit die einmalige geschichtliche Bedeutung vermittelt und erhalten werden.}, language = {de} } @masterthesis{Christiani2022, type = {Bachelor Thesis}, author = {Christiani, Fabian}, title = {Nachhaltiger Bauen : eine interaktive Plattform zum Vergleich von Baustoffen}, publisher = {FH Aachen}, address = {Aachen}, school = {Fachhochschule Aachen}, pages = {124 Seiten}, year = {2022}, abstract = {Bei dem Projekt „Nachhaltiger Bauen - Eine interaktive Plattform zum Vergleich von Baustoffen" handelt es sich um eine Datenbank, die verschiedene Baustoffe mit deren Eigenschaften listet und einen Vergleich dieser erm{\"o}glicht. Das Baugewerbe tr{\"a}gt einen erheblichen Teil zum Klimawandel bei. Besonders der CO2-Ausstoß, der Ressourcenverbrauch und die Abfallproduktion sind hier zu nennen. Deshalb ist der Aspekt der Nachhaltigkeit von zentraler Bedeutung f{\"u}r die Zukunft der Baubranche.Ziel des Projekts ist es, sowohl die technischen als auch die {\"o}kologischen Eigenschaften von Baustoffen darzustellen und miteinander zu vergleichen. So kann die Plattform aktiv und effektiv gegen die umwelttechnischen Probleme der Baubranche wirken.}, language = {de} } @inproceedings{ZaehlBiewendtWolfetal.2022, author = {Z{\"a}hl, Philipp M. and Biewendt, Marcel and Wolf, Martin and Eggert, Mathias}, title = {Requirements for competence developing games in the environment of SE Competence Development}, series = {AKWI-Tagungsband zur 35. AKWI-Jahrestagung}, booktitle = {AKWI-Tagungsband zur 35. AKWI-Jahrestagung}, publisher = {GITO}, address = {Berlin}, isbn = {978-3-95545-409-8}, doi = {10.30844/AKWI_2022_05}, pages = {73 -- 88}, year = {2022}, abstract = {Many of today's factors make software development more and more complex, such as time pressure, new technologies, IT security risks, et cetera. Thus, a good preparation of current as well as future software developers in terms of a good software engineering education becomes progressively important. As current research shows, Competence Developing Games (CDGs) and Serious Games can offer a potential solution. This paper identifies the necessary requirements for CDGs to be conducive in principle, but especially in software engineering (SE) education. For this purpose, the current state of research was summarized in the context of a literature review. Afterwards, some of the identified requirements as well as some additional requirements were evaluated by a survey in terms of subjective relevance.}, language = {en} } @incollection{Golland2022, author = {Golland, Alexander}, title = {Kommentierung von Artikel 94 bis 99 Datenschutz-Grundverordnung}, series = {DSGVO - BDSG - TTDSG: Datenschutzgrundverordnung - Bundesdatenschutzgesetz - Telekommunikation-Telemedien-Datenschutzgesetz}, booktitle = {DSGVO - BDSG - TTDSG: Datenschutzgrundverordnung - Bundesdatenschutzgesetz - Telekommunikation-Telemedien-Datenschutzgesetz}, editor = {Taeger, J{\"u}rgen and Gabel, Detlev}, edition = {4., neu bearbeitete Auflage. 2022}, publisher = {Fachmedien Recht und Wirtschaft}, address = {Frankfurt am Main}, isbn = {978-3-8005-1760-2}, pages = {1575 -- 1621}, year = {2022}, abstract = {Das Werk kommentiert leicht verst{\"a}ndlich, aktuell und praxisnah die DSGVO sowie das BDSG und - neu - auch das TTDSG (Telekommunikation-Telemedien-Datenschutzgesetz). Verantwortliche erhalten damit eine umfassende Darstellung mit Handlungsempfehlungen zum gesamten neuen Datenschutzrecht. Betriebliche Datenschutzbeauftragte k{\"o}nnen sich an den fundierten Kommentierungen orientieren, in denen Literatur und Rechtsprechung aktuell ber{\"u}cksichtigt wurden.}, language = {de} } @article{TopcuMadabhushiStaat2022, author = {Top{\c{c}}u, Murat and Madabhushi, Gopal S.P. and Staat, Manfred}, title = {A generalized shear-lag theory for elastic stress transfer between matrix and fibres having a variable radius}, series = {International Journal of Solids and Structures}, volume = {239-240}, journal = {International Journal of Solids and Structures}, number = {Art. No. 111464}, publisher = {Elsevier}, address = {New York, NY}, issn = {0020-7683}, doi = {10.1016/j.ijsolstr.2022.111464}, year = {2022}, abstract = {A generalized shear-lag theory for fibres with variable radius is developed to analyse elastic fibre/matrix stress transfer. The theory accounts for the reinforcement of biological composites, such as soft tissue and bone tissue, as well as for the reinforcement of technical composite materials, such as fibre-reinforced polymers (FRP). The original shear-lag theory proposed by Cox in 1952 is generalized for fibres with variable radius and with symmetric and asymmetric ends. Analytical solutions are derived for the distribution of axial and interfacial shear stress in cylindrical and elliptical fibres, as well as conical and paraboloidal fibres with asymmetric ends. Additionally, the distribution of axial and interfacial shear stress for conical and paraboloidal fibres with symmetric ends are numerically predicted. The results are compared with solutions from axisymmetric finite element models. A parameter study is performed, to investigate the suitability of alternative fibre geometries for use in FRP.}, language = {en} } @book{Engelmann2022, author = {Engelmann, Ulrich M.}, title = {Zielf{\"u}hrend moderieren}, publisher = {UVK Verlag}, address = {Stuttgart}, isbn = {9783838556895}, doi = {10.36198/9783838556895}, pages = {438 S.}, year = {2022}, abstract = {In der Teamarbeit wird Moderation zum Erfolgsfaktor, der jedoch h{\"a}ufig untersch{\"a}tzt wird. Ausgehend vom pers{\"o}nlichen Kompetenzniveau verkn{\"u}pft dieses Buch Grundlagen und Methoden zu Wegen, um Ihre pers{\"o}nliche Entwicklung individuell zu begleiten: Neulinge finden hilfreiche Checklisten und Basistechniken f{\"u}r ihre ersten Moderationen, Fortgeschrittene wertvolle Praxistipps und Methoden f{\"u}r den Ausbau ihrer Moderationskompetenz. Profis schließlich genießen eine raffinierte Aussicht auf weniger bekannte Techniken und neue Anwendungen. Weiterf{\"u}hrende Exkurse zum Meeting-Management und zur Online-Moderation runden den Anwendungshorizont ab. Ob in Beruf, Studium oder Ehrenamt - derart ausgestattet gelingen Ihre eigene sowie die Entwicklung Ihres Teams durch zielf{\"u}hrende Moderationen.}, language = {de} } @article{MandekarHollandThielenetal.2022, author = {Mandekar, Swati and Holland, Abigail and Thielen, Moritz and Behbahani, Mehdi and Melnykowycz, Mark}, title = {Advancing towards Ubiquitous EEG, Correlation of In-Ear EEG with Forehead EEG}, series = {Sensors}, volume = {22}, journal = {Sensors}, number = {4}, publisher = {MDPI}, address = {Basel}, issn = {1424-8220}, doi = {10.3390/s22041568}, pages = {1 -- 19}, year = {2022}, abstract = {Wearable EEG has gained popularity in recent years driven by promising uses outside of clinics and research. The ubiquitous application of continuous EEG requires unobtrusive form-factors that are easily acceptable by the end-users. In this progression, wearable EEG systems have been moving from full scalp to forehead and recently to the ear. The aim of this study is to demonstrate that emerging ear-EEG provides similar impedance and signal properties as established forehead EEG. EEG data using eyes-open and closed alpha paradigm were acquired from ten healthy subjects using generic earpieces fitted with three custom-made electrodes and a forehead electrode (at Fpx) after impedance analysis. Inter-subject variability in in-ear electrode impedance ranged from 20 kΩ to 25 kΩ at 10 Hz. Signal quality was comparable with an SNR of 6 for in-ear and 8 for forehead electrodes. Alpha attenuation was significant during the eyes-open condition in all in-ear electrodes, and it followed the structure of power spectral density plots of forehead electrodes, with the Pearson correlation coefficient of 0.92 between in-ear locations ELE (Left Ear Superior) and ERE (Right Ear Superior) and forehead locations, Fp1 and Fp2, respectively. The results indicate that in-ear EEG is an unobtrusive alternative in terms of impedance, signal properties and information content to established forehead EEG.}, language = {en} } @article{DefosseKleinschmidtSchmutzetal.2022, author = {Defosse, Jerome and Kleinschmidt, Joris and Schmutz, Axel and Loop, Torsten and Staat, Manfred and Gatzweiler, Karl-Heinz and Wappler, Frank and Schieren, Mark}, title = {Dental strain on maxillary incisors during tracheal intubation with double-lumen tubes and different laryngoscopy techniques - a blinded manikin study}, series = {Journal of Cardiothoracic and Vascular Anesthesia}, volume = {36}, journal = {Journal of Cardiothoracic and Vascular Anesthesia}, number = {8, Part B}, publisher = {Elsevier}, address = {New York, NY}, issn = {1053-0770}, doi = {10.1053/j.jvca.2022.02.017}, pages = {3021 -- 3027}, year = {2022}, language = {en} } @inproceedings{EggertKriska2022, author = {Eggert, Mathias and Kriska, Melina}, title = {Gamification for software development processes - relevant affordances and design principles}, series = {Proceedings of the 55th Hawaii International Conference on System Sciences}, booktitle = {Proceedings of the 55th Hawaii International Conference on System Sciences}, publisher = {HICSS Publishing}, address = {Honolulu}, isbn = {978-0-9981331-5-7}, doi = {10.24251/HICSS.2022.200}, pages = {1614 -- 1623}, year = {2022}, abstract = {A Gamified Information System (GIS) implements game concepts and elements, such as affordances and game design principles to motivate people. Based on the idea to develop a GIS to increase the motivation of software developers to perform software quality tasks, the research work at hand aims at investigating relevant requirements from that target group. Therefore, 14 interviews with software development experts are conducted and analyzed. According to the results, software developers prefer the affordances points, narrative storytelling in a multiplayer and a round-based setting. Furthermore, six design principles for the development of a GIS are derived.}, language = {en} }