@inproceedings{BallmannRaatschenStaat1985, author = {Ballmann, J. and Raatschen, Hans-J{\"u}rgen and Staat, Manfred}, title = {High stress intensities in focussing zones of waves}, doi = {10.1016/B978-0-444-42520-1.50015-3}, year = {1985}, abstract = {The propagation of mechanical waves in plates of isotropic elastic material is investigated. After a short introduction to the understanding of focussing of stress waves in a plate with a curved boundary the method of characteristics is applied to a plate of hyperelastic material. Using this method the propagation of acceleration waves is discussed. Based on this a numerical difference scheme is developed for solving initial-boundary-value problems and applied to two examples: propagation of a point disturbance in a homogeneously finitely strained non-linear elastic plate and geometrical focussing in al linear elastic plate.}, subject = {Technische Mechanik}, language = {en} } @article{RaatschenHolznerBorrmannetal.1991, author = {Raatschen, Hans-J{\"u}rgen and Holzner, M. and Borrmann, M. and Pfrang, W.}, title = {Numerische Simulation von Umformprozessen mit dem expliziten FE-Programm UFO-3D}, pages = {91 -- 105}, year = {1991}, language = {de} } @article{NguyenRaatschenStaat2010, author = {Nguyen, N.-H. and Raatschen, Hans-J{\"u}rgen and Staat, Manfred}, title = {A hyperelastic model of biological tissue materials in tubular organs}, pages = {1 -- 12}, year = {2010}, language = {en} } @inproceedings{FrotscherRaatschenStaat2012, author = {Frotscher, Ralf and Raatschen, Hans-J{\"u}rgen and Staat, Manfred}, title = {Application of an edge-based smoothed finite element method on geometrically non-linear plates of non-linear material}, series = {Proceedings European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012)}, booktitle = {Proceedings European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012)}, editor = {Eberhardsteiner, J.}, year = {2012}, language = {en} } @inproceedings{FrotscherRaatschenStaat2012, author = {Frotscher, Ralf and Raatschen, Hans-J{\"u}rgen and Staat, Manfred}, title = {Effectiveness of the edge-based smoothed finite element method applied to soft biological tissues}, series = {ESMC-2012 - 8th European Solid Mechanics Conference, Graz, Austria, July 9-13, 2012}, booktitle = {ESMC-2012 - 8th European Solid Mechanics Conference, Graz, Austria, July 9-13, 2012}, editor = {Holzapfel, Gerhard A.}, publisher = {Verlag d. Technischen Universit{\"a}t Graz}, address = {Graz}, isbn = {978-3-85125-223-1}, year = {2012}, language = {en} } @article{Raatschen1987, author = {Raatschen, Hans-J{\"u}rgen}, title = {Fokussierung von Spannungswellen in einer krummlinig berandeten Scheibe}, series = {ZAMM : Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik}, volume = {67}, journal = {ZAMM : Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik}, number = {4}, issn = {1521-4001}, pages = {T230 -- T231}, year = {1987}, language = {de} } @book{Raatschen1986, author = {Raatschen, Hans-J{\"u}rgen}, title = {Ein Bicharakteristikenverfahren zur Berechnung von Spannungswellen in krummlinig berandeten Scheiben}, publisher = {RWTH Aachen}, address = {Aachen}, pages = {110 S. : Ill., graph. Darst.}, year = {1986}, language = {de} } @inproceedings{Raatschen1985, author = {Raatschen, Hans-J{\"u}rgen}, title = {Fokussierung ebener Spannungswellen in einer linearelastischen Scheibe}, series = {Sonderforschungsbereich 27 Wellenfokussierung der Rheinisch-Westf{\"a}lischen Technischen Hochschule Aachen, Kolloquium 3. und 4. Juli 1985}, booktitle = {Sonderforschungsbereich 27 Wellenfokussierung der Rheinisch-Westf{\"a}lischen Technischen Hochschule Aachen, Kolloquium 3. und 4. Juli 1985}, address = {Aachen}, pages = {105 -- 118}, year = {1985}, language = {de} } @incollection{Raatschen2010, author = {Raatschen, Hans-J{\"u}rgen}, title = {Von der K{\"o}niglichen H{\"o}heren Maschinenbauschule Aachen zu den Ingenieurfachbereichen der FH Aachen}, series = {Ingenieurfreunde FH Aachen : 75 Jahre F{\"o}rderverein; Elektrotechnik und Informationstechnik, Luft- und Raumfahrttechnik, Maschinenbau und Mechatronik}, booktitle = {Ingenieurfreunde FH Aachen : 75 Jahre F{\"o}rderverein; Elektrotechnik und Informationstechnik, Luft- und Raumfahrttechnik, Maschinenbau und Mechatronik}, publisher = {Klinkenberg}, address = {Aachen}, isbn = {978-3-941704-03-9}, pages = {13 -- 18}, year = {2010}, subject = {Geschichte}, language = {de} } @incollection{Raatschen2010, author = {Raatschen, Hans-J{\"u}rgen}, title = {75 Jahre Vereinsgeschichte}, series = {Ingenieurfreunde FH Aachen : 75 Jahre F{\"o}rderverein; Elektrotechnik und Informationstechnik, Luft- und Raumfahrttechnik, Maschinenbau und Mechatronik}, booktitle = {Ingenieurfreunde FH Aachen : 75 Jahre F{\"o}rderverein; Elektrotechnik und Informationstechnik, Luft- und Raumfahrttechnik, Maschinenbau und Mechatronik}, publisher = {Klinkenberg}, address = {Aachen}, isbn = {978-3-941704-03-9}, pages = {66 -- 72}, year = {2010}, subject = {Geschichte}, language = {de} }