@inproceedings{ParkElDaibButenwegetal.2011,
  author    = {Park, Jin and El-Daib, Khaled and Butenweg, Christoph and Gellert, Christoph},
  title     = {A novel macroelement approach for masonry walls},
  series = {Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011 : Leuven, Belgium, 4 - 6 July 2011 / Katholieke Universiteit Leuven, ... G. De Roeck ... (eds)},
  booktitle = {Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011 : Leuven, Belgium, 4 - 6 July 2011 / Katholieke Universiteit Leuven, ... G. De Roeck ... (eds)},
  publisher = {K. U. Leuven, Dep. of Civil Engineering},
  address   = {Leuven},
  organization    = {International Conference on Structural Dynamics, EURODYN <8, 2011, Leuven>},
  isbn      = {978-90-76019-31-4},
  pages     = {3281 -- 3286},
  year      = {2011},
  language  = {en}
}
@inproceedings{TaddeiReindlParketal.2011,
  author    = {Taddei, Francesca and Reindl, Lukas and Park, Jin and Butenweg, Christoph and Karadogan, Faruk},
  title     = {Numerical investigation of AAC wall panels based on the damage plasticity constitutive law},
  series = {Cement, Wapno, Beton ; 2011, 7, Special issue: 5th International Conference on Autoclaved Aerated Concrete 'Securing a sustainable future' to be held at Bydgoszcz to celebrate 60 years of AAC experience in Poland, Bydgoszcz, September 14-17, 2011},
  booktitle = {Cement, Wapno, Beton ; 2011, 7, Special issue: 5th International Conference on Autoclaved Aerated Concrete 'Securing a sustainable future' to be held at Bydgoszcz to celebrate 60 years of AAC experience in Poland, Bydgoszcz, September 14-17, 2011},
  publisher = {Stowarzyszenie Producent{\´o}w Cementu i Wapna},
  address   = {Krakow},
  organization    = {International Conference on Autoclaved Aerated Concrete 'Securing a sustainable future' <5, 2011, Bydgoszcz>},
  issn      = {1425-8129},
  pages     = {86 -- 91},
  year      = {2011},
  language  = {en}
}
@inproceedings{ReindlParkNordaetal.2010,
  author    = {Reindl, Lukas and Park, Jin and Norda, Hannah and Butenweg, Christoph},
  title     = {Seismic design of masonry walls subject to out-of-plane bending},
  series = {Proceedings of the Tenth International Conference on Computational Structures Technology : Valencia, Spain, 14 - 17 September 2010 / organised in association with: Universidad Politecnica de Valencia ... Ed. by B. H. V. Topping ...},
  booktitle = {Proceedings of the Tenth International Conference on Computational Structures Technology : Valencia, Spain, 14 - 17 September 2010 / organised in association with: Universidad Politecnica de Valencia ... Ed. by B. H. V. Topping ...},
  publisher = {Civil-Comp Press},
  address   = {Kippen},
  organization    = {International Conference on Computational Structures Technology <10, 2010, Valencia>},
  isbn      = {978-1-905088-36-2},
  doi       = {10.4203/ccp.93.348},
  pages     = {Paper 348},
  year      = {2010},
  language  = {en}
}
@inproceedings{DigelTemizArtmannNojimaetal.2003,
  author    = {Digel, Ilya and Temiz Artmann, Ayseg{\"u}l and Nojima, H. and Artmann, Gerhard},
  title     = {Plasma-generated cluster ions' effects on indoor microflora : [abstract]},
  year      = {2003},
  abstract  = {Recently, SHARP corporation has developed the world's first "Plasma Cluster Ions® (PCI)" air purification technology, which uses plasma discharge to generate cluster ions. The new Plasma Cluster Device releases positive and negative ions into the air, which are harmless to humans and are able to decompose and deactivate airborne substances by chemical reactions. In the past, phenomenological tests on the efficacy of the PCI air purification technology on microbial cells have been conducted. In most cases, it has been shown that PCI demonstrated strongly pronounced killing effects on microorganisms. However, the particular mechanisms of PCI action still have to be uncovered.},
  subject      = {Clusterion},
  language  = {en}
}
@inproceedings{GoemmelKraemerButenwegetal.2005,
  author    = {G{\"o}mmel, Andreas and Kr{\"a}mer, Sebastian and Butenweg, Christoph and Kob, Malte},
  title     = {A combined FE and multiple-mass model for numerical simulation of phonatory maneuvers},
  series = {Proceedings / Forum Acusticum, Budapest, 29 Aug - 2 Sep, 2005 : [Acoustics: science and technology for knowledge based society and healthy environment] / ed. by: F{\"u}l{\"o}p Augusztinovicz ...},
  booktitle = {Proceedings / Forum Acusticum, Budapest, 29 Aug - 2 Sep, 2005 : [Acoustics: science and technology for knowledge based society and healthy environment] / ed. by: F{\"u}l{\"o}p Augusztinovicz ...},
  publisher = {OPAKFI Tud. Egyes{\"u}let},
  address   = {Budapest},
  organization    = {Forum Acusticum <4, 2005, Budapest>},
  isbn      = {978-963-8241-68-9},
  pages     = {2759 -- 2764},
  year      = {2005},
  language  = {en}
}
@inproceedings{GoemmelButenwegKob2005,
  author    = {G{\"o}mmel, Andreas and Butenweg, Christoph and Kob, Malte},
  title     = {Towards a complete finite-element model of human phonation: modeling phonatory maneuvers},
  series = {12th Workshop on the Finite Element Method in Biomedical Engineering, Biomechanics and Related Fields : Ulm, Germany, 20 - 21 July 2005 / University of Ulm, Department of Orthodontics ...},
  booktitle = {12th Workshop on the Finite Element Method in Biomedical Engineering, Biomechanics and Related Fields : Ulm, Germany, 20 - 21 July 2005 / University of Ulm, Department of Orthodontics ...},
  publisher = {Univ., Dep. of Orthodontics},
  address   = {Ulm},
  organization    = {Workshop on the Finite Element Method in Biomedical Engineering, Biomechanics and Related Fields <12, 2005, Ulm>},
  isbn      = {978-3-9806183-8-0},
  pages     = {1 CD-ROM},
  year      = {2005},
  language  = {en}
}
@inproceedings{ButenwegMistler2006,
  author    = {Butenweg, Christoph and Mistler, Michael},
  title     = {Seismic resistance of unreinforced masonry buildings},
  series = {Proceedings of the Eighth International Conference on Computational Structures Technology : [Las Palmas de Cran Canaria, 12-15 September 2006] / ed. by B. H. V. Topping ...},
  booktitle = {Proceedings of the Eighth International Conference on Computational Structures Technology : [Las Palmas de Cran Canaria, 12-15 September 2006] / ed. by B. H. V. Topping ...},
  publisher = {Civil-Comp Press},
  address   = {Stirling},
  organization    = {International Conference on Computational Structures Technology <8, 2006, Las Palmas>},
  isbn      = {1-905088-06-X},
  doi       = {10.4203/ccp.83.9},
  pages     = {Paper 9},
  year      = {2006},
  language  = {en}
}
@inproceedings{ButenwegGellertReindl2008,
  author    = {Butenweg, Christoph and Gellert, Christoph and Reindl, Lukas},
  title     = {Capacity design of masonry buildings under cyclic loading},
  series = {Seismic Risk : Earthquakes in North-Western Europe ; international colloquium ; Li{\`e}ge on 11 and 12 September 2008 / Belgian Seismic Group (BeSeiG). Ed.: T. Camlebeeck ...},
  booktitle = {Seismic Risk : Earthquakes in North-Western Europe ; international colloquium ; Li{\`e}ge on 11 and 12 September 2008 / Belgian Seismic Group (BeSeiG). Ed.: T. Camlebeeck ...},
  publisher = {Editions de l'Universit{\´e} de Li{\`e}ge},
  address   = {Li{\`e}ge},
  organization    = {Belgian Seismic Group},
  isbn      = {978-2-87456-063-7},
  pages     = {201 -- 208},
  year      = {2008},
  language  = {en}
}
@inproceedings{ButenwegGellert2008,
  author    = {Butenweg, Christoph and Gellert, Christoph},
  title     = {Displacement based design of masonry structures},
  series = {Proceedings of the 14th International Brick and Block Masonry Conference : (Incorporating the 8th Australasian Masonry Conference) : Sydney, Australia, 13.-20. February 2008 / ed. Mark Masia ...},
  booktitle = {Proceedings of the 14th International Brick and Block Masonry Conference : (Incorporating the 8th Australasian Masonry Conference) : Sydney, Australia, 13.-20. February 2008 / ed. Mark Masia ...},
  publisher = {University of Newcastle},
  address   = {Callaghan},
  organization    = {International Brick and Block Masonry Conference <14, 2008, Sydney>},
  isbn      = {978-19-2070-1-92-5},
  pages     = {1 -- 10},
  year      = {2008},
  language  = {en}
}
@article{ThomaGardiFisheretal.2024,
  author    = {Thoma, Andreas and Gardi, Alessandro and Fisher, Alex and Braun, Carsten},
  title     = {Improving local path planning for UAV flight in challenging environments by refining cost function weights},
  series = {CEAS Aeronautical Journal},
  journal   = {CEAS Aeronautical Journal},
  publisher = {Springer},
  address   = {Wien},
  issn      = {1869-5590 (eISSN)},
  doi       = {10.1007/s13272-024-00741-x},
  pages     = {12 Seiten},
  year      = {2024},
  abstract  = {Unmanned Aerial Vehicles (UAV) constantly gain in versatility. However, more reliable path planning algorithms are required until full autonomous UAV operation is possible. This work investigates the algorithm 3DVFH* and analyses its dependency on its cost function weights in 2400 environments. The analysis shows that the 3DVFH* can find a suitable path in every environment. However, a particular type of environment requires a specific choice of cost function weights. For minimal failure, probability interdependencies between the weights of the cost function have to be considered. This dependency reduces the number of control parameters and simplifies the usage of the 3DVFH*. Weights for costs associated with vertical evasion (pitch cost) and vicinity to obstacles (obstacle cost) have the highest influence on the failure probability of the local path planner. Environments with mainly very tall buildings (like large American city centres) require a preference for horizontal avoidance manoeuvres (achieved with high pitch cost weights). In contrast, environments with medium-to-low buildings (like European city centres) benefit from vertical avoidance manoeuvres (achieved with low pitch cost weights). The cost of the vicinity to obstacles also plays an essential role and must be chosen adequately for the environment. Choosing these two weights ideal is sufficient to reduce the failure probability below 10\%.},
  language  = {en}
}
@inproceedings{KuhlmannButenwegLopezetal.2004,
  author    = {Kuhlmann, Wolfram and Butenweg, Christoph and Lopez, Marijen and Fernandez, Sebastian},
  title     = {Seismic vulnerability assessment of the historic Aachen Cathedral},
  series = {Conference proceedings / 13th World Conference on Earthquake Engineering [Vancouver, British Columbia, Canada, August 1 - 6, 2004] / [hosted by CAEE/ACGP, Canadian Association for Earthquake Engineering]},
  booktitle = {Conference proceedings / 13th World Conference on Earthquake Engineering [Vancouver, British Columbia, Canada, August 1 - 6, 2004] / [hosted by CAEE/ACGP, Canadian Association for Earthquake Engineering]},
  publisher = {CAEE},
  address   = {Vancouver},
  organization    = {World Conference on Earthquake Engineering <13, 2004, Vancouver>},
  pages     = {1 -- 14},
  year      = {2004},
  language  = {en}
}
@inproceedings{MeskourisButenwegMistleretal.2004,
  author    = {Meskouris, Konstantin and Butenweg, Christoph and Mistler, Michael and Kuhlmann, Wolfram},
  title     = {Seismic behaviour of historic masonry buildings},
  series = {7th National Congress on Mechanics : Chania, Crete, June 24 - 26, 2004 ; proceedings / ed. A. Kounadis ....},
  booktitle = {7th National Congress on Mechanics : Chania, Crete, June 24 - 26, 2004 ; proceedings / ed. A. Kounadis ....},
  publisher = {Hellenic Society for Theoretical and Applied Mechanics},
  address   = {Chania},
  organization    = {National Congress on Mechanics <7, 2004, Chania, Crete>},
  pages     = {47 -- 49},
  year      = {2004},
  language  = {en}
}
@article{EdipGarevskiButenwegetal.2013,
  author    = {Edip, Kemal and Garevski, Mihail and Butenweg, Christoph and Sesov, Vlatko and Cvetanovska, Julijana and Gjorgiev, Igor},
  title     = {Numerical simulation of geotechnical problems by coupled finite and infinite elements},
  series = {Journal of civil engineering and architecture},
  volume    = {7},
  journal   = {Journal of civil engineering and architecture},
  number    = {1},
  publisher = {David Publishing},
  address   = {Libertyville},
  issn      = {1934-7359 (E-Journal)},
  pages     = {68 -- 77},
  year      = {2013},
  language  = {en}
}
@article{GoemmelButenwegBolenderetal.2007,
  author    = {G{\"o}mmel, Andreas and Butenweg, Christoph and Bolender, Katrin and Grunendahl, Arno},
  title     = {A muscle controlled finite-element model of laryngeal abduction and adduction},
  series = {Computer methods in biomechanics and biomedical engineering},
  volume    = {Volume 10},
  journal   = {Computer methods in biomechanics and biomedical engineering},
  number    = {Issue 5},
  issn      = {1476-8259 (E-Journal); 1025-5842 (Print)},
  pages     = {377 -- 388},
  year      = {2007},
  language  = {en}
}
@article{RochefortVerverGrunendahletal.2005,
  author    = {Rochefort, E. de and Verver, M. and Grunendahl, A. and Mooi, H. and Butenweg, Christoph},
  title     = {Detailed modelling of the lumbar spine for investigations of low back pain},
  series = {SAE transactions : papers presented at Society and Section meetings / Society of Automotive Engineers},
  volume    = {Volume 114},
  journal   = {SAE transactions : papers presented at Society and Section meetings / Society of Automotive Engineers},
  number    = {Part 7},
  organization    = {Society of Automotive Engineers},
  issn      = {0096-736X},
  pages     = {788 -- 796},
  year      = {2005},
  language  = {en}
}
@article{HoltschoppenButenwegMeskouris2009,
  author    = {Holtschoppen, Britta and Butenweg, Christoph and Meskouris, Konstantin},
  title     = {Seismic design of non-structural components in industrial facilities},
  series = {International journal of engineering under uncertainty},
  volume    = {Volume 1},
  journal   = {International journal of engineering under uncertainty},
  issn      = {0975-4806},
  pages     = {1 -- 13},
  year      = {2009},
  language  = {en}
}
@inproceedings{EggertWeber2023,
  author    = {Eggert, Mathias and Weber, Jannik},
  title     = {What drives the purchase decision in Instagram stores?},
  series = {ECIS 2023 Research Papers},
  booktitle = {ECIS 2023 Research Papers},
  pages     = {1 -- 17},
  year      = {2023},
  abstract  = {The popularity of social media and particularly Instagram grows steadily. People use the different platforms to share pictures as well as videos and to communicate with friends. The potential of social media platforms is also being used for marketing purposes and for selling products. While for Facebook and other online social media platforms the purchase decision factors are investigated several times, Instagram stores remain mainly unattended so far. The present research work closes this gap and sheds light into decisive factors for purchasing products offered in Instagram stores. A theoretical research model, which contains selected constructs that are assumed to have a significant influence on Instagram user´s purchase intention, is developed. The hypotheses are evaluated by applying structural equation modelling on survey data containing 127 relevant participants. The results of the study reveal that 'trust', 'personal recommendation', and 'usability' significantly influences user's buying intention in Instagram stores.},
  language  = {en}
}
@incollection{ButenwegThierauf1999,
  author    = {Butenweg, Christoph and Thierauf, G.},
  title     = {Automatic design of reinforced concrete structures with parallel computing},
  series = {Innovative computational methods for structural mechanics},
  booktitle = {Innovative computational methods for structural mechanics},
  editor    = {Papadrakakis, M. and Topping, B.H.V.},
  publisher = {Saxe-Coburg Publication},
  address   = {Edinburgh},
  isbn      = {1-874672-05-9},
  doi       = {10.4203/csets.1.14},
  pages     = {305 -- 318},
  year      = {1999},
  abstract  = {A concept for the analysis and optimal design of reinforced concrete structures is described. It is based on a nonlinear optimization algorithm and a finite element program for linear and nonlinear analysis of structures. With the aim of minimal cost design a two stage optimization using efficient gradient algorithm is developed. The optimization problems on global (structural) and local (crosssectional) level are formulated. A parallelization concept for solving the two stage optimization problem in minimal time is presented. Examples are included to illustrate the practical use and the effectively of the parallelization in the area of engineering design.},
  language  = {en}
}
@incollection{MeskourisButenwegKalkeretal.2007,
  author    = {Meskouris, Konstantin and Butenweg, Christoph and Kalker, Ines and Mistler, Michael},
  title     = {Numerical simulation of historic masonry buildings},
  series = {Antike Erdbeben im alpinen und zirkumalpinen Raum : Befunde und Probleme in arch{\"a}ologischer, historischer und seismologischer Sicht ; Beitr{\"a}ge des Interdisziplin{\"a}ren Workshops Schloss Hohenkammer, 14./15. Mai 2004 = Earthquakes in antiquity in the alpine and circum-alpine region / Gerhard H. Waldherr ; Anselm Smolka (Hrsg.) (Geographica Historica ; 24)},
  booktitle = {Antike Erdbeben im alpinen und zirkumalpinen Raum : Befunde und Probleme in arch{\"a}ologischer, historischer und seismologischer Sicht ; Beitr{\"a}ge des Interdisziplin{\"a}ren Workshops Schloss Hohenkammer, 14./15. Mai 2004 = Earthquakes in antiquity in the alpine and circum-alpine region / Gerhard H. Waldherr ; Anselm Smolka (Hrsg.) (Geographica Historica ; 24)},
  publisher = {Franz Steiner Verlag},
  address   = {Stuttgart},
  isbn      = {978-3-515-09030-8 ; 3-515-09030-4},
  pages     = {171 -- 189},
  year      = {2007},
  language  = {en}
}
@inproceedings{MarinkovicButenweg2020,
  author    = {Marinkovic, Marko and Butenweg, Christoph},
  title     = {Seismic behaviour of RC frames with uncoupled masonry infills having two storeys or two bays},
  series = {Brick and Block Masonry - From Historical to Sustainable Masonry. Proceedings of the 17th International Brick/Block Masonry Conference},
  booktitle = {Brick and Block Masonry - From Historical to Sustainable Masonry. Proceedings of the 17th International Brick/Block Masonry Conference},
  publisher = {CRC Press},
  address   = {London},
  doi       = {10.1201/9781003098508-72},
  pages     = {1 -- 7},
  year      = {2020},
  abstract  = {Reinforced concrete (RC) structures with masonry infills are widely used for several types of buildings all over the world. However, it is well known that traditional masonry infills constructed with rigid contact to the surrounding RC frame performed rather poor in past earthquakes. Masonry infills showed severe in-plane damages and failed in many cases under out-of-plane seismic loading. As the undesired interactions between frames and infills changes the load transfer on building level, complete collapses of buildings were observed. A possible solution is uncoupling of masonry infills to the frame to reduce the infill contribution activated by the frame deformation under horizontal loading. The paper presents numerical simulations on RC frames equipped with the innovative decoupling system INODIS. The system was developed within the European project INSYSME and allows an effective uncoupling of frame and infill. The simulations are carried out with a micro-modelling approach, which is able to predict the complex nonlinear behaviour resulting from the different materials and their interaction. Each brick is modelled individually and connected taking into account nonlinearity of a brick mortar interface. The calibration of the model is based on small specimen tests and experimental results for one bay one storey frame are used for the validation. The validated model is further used for parametric studies on two storey and two bay infilled frames. The response and change of the structural stiffness are analysed and compared to the traditionally infilled frame. The results confirm the effectiveness of the INODIS system with less damage and relatively low contribution of the infill at high drift levels. In contrast to the uncoupled system configurations, traditionally infilled frames experienced brittle failure at rather low drift levels.},
  language  = {en}
}