Publikationen LTD
2024 Blazek V. , Loy N. , Jukic E. , Coppers B. , Fleischmann ME. , Hübner J. , Iqbal M. , Heinrich S. , Scheiterer E. , Leyendecker S. , Greenfield J. , Labinski H. , Raimondo MG. , Ramming A. , Schönau V. , Schett G. , Knitza J. , Liphardt AM. :AB0930 TOWARDS OBJECTIVE MEASUREMENT OF SPINAL MOBILITY IN AXIAL SPONDYLOARTHRITIS – BENCHMARKING AN INERTIAL MEASUREMENT UNIT SYSTEM WITH AN OPTICAL MEASUREMENT SYSTEM Annals of the Rheumatic Diseases 2024 ), S. 1774-1775 ISSN: 0003-4967 10.1136/annrheumdis-2024-eular.5778 Breuling J. , Capobianco G. , Eugster SR. , Leine RI. :A nonsmooth RATTLE algorithm for mechanical systems with frictional unilateral constraints Nonlinear Analysis: Hybrid Systems 52 2024 ), S. 101469 ISSN: 1751-570X doi.org/10.1016/j.nahs.2024.101469 Bräunig J. , Heinrich S. , Coppers B. , Kammel C. , Wirth V. , Stamminger M. , Leyendecker S. , Liphardt AM. , Ullmann I. , Vossiek M. :A Radar-Based Concept for Simultaneous High-Resolution Imaging and Pixel-Wise Velocity Analysis for Tracking Human Motion IEEE Journal of Microwaves 2024 ), S. 1-14 ISSN: 2692-8388 10.1109/JMW.2024.3453570 Bräunig J. , Heinrich S. , Coppers B. , Kammel C. , Wirth V. , Stamminger M. , Leyendecker S. , Liphardt AM. , Ullmann I. , Vossiek M. :A Radar-Based Concept for Simultaneous High-Resolution Imaging and Pixel-Wise Velocity Analysis for Tracking Human Motion IEEE Journal of Microwaves 4 2024 ), S. 639-652 ISSN: 2692-8388 10.1109/JMW.2024.3453570 Capobianco G. :Event-capturing simulation of nonsmooth systems poster, GAMM Annual Meeting (Magdeburg 18. März 2024 - 22. März 2024 )Capobianco G. , Breuling J. , Leyendecker S. :A RATTLE integrator for the
simulation of unilaterally constrained mechanical systems conference, GAMM Annual Meeting (Magdeburg 18. März 2024 - 22. März 2024 )Capobianco G. , Breuling J. , Leyendecker S. :Nonsmooth Lobatto-type variational integrators based on the
discretization of the virtual action conference, ENOC European Nonlinear Dynamics Conference (Delft 22. Juli 2024 - 26. Juli 2024 )Chen X. , Leyendecker S. :Kinematic analysis of kinases and their oncogenic mutations – Kinases and their mutation kinematic analysis Molecular Informatics 43 2024 )ISSN: 1868-1743 10.1002/minf.202300250 Coppers B. , Heinrich S. , Bayat S. , Tascilar K. , Kleyer A. , Simon D. , Minopoulou I. , Corte G. , Fagni F. , Schönau V. , Bohr D. , Leyendecker S. , Schett G. , Liphardt AM. :AB0208 REDUCED HAND FUNCTION INDICATES HIGHER DISEASE ACTIVITY IN PATIENTS WITH RHEUMATOID AND PSORIATIC ARTHRITIS Annals of the Rheumatic Diseases 2024 ), S. 1342.1-1342 ISSN: 0003-4967 10.1136/annrheumdis-2024-eular.1112 Heinrich S. , Michaelis J. , Reiher I. , Coppers B. , Lohmayer M. , Fleischmann ME. , Kleyer A. , Schett G. , De Craemer AS. , Elewaut D. , Leyendecker S. , Liphardt AM. :Comparison and Improvement of CyberGlove III calibration methods IEEE Sensors 24 2024 )ISSN: 2168-9229 10.1109/JSEN.2024.3376606 Jadhav D. , Phansalkar D. , Weinberg K. , Ortiz M. , Leyendecker S. :Simulating Dynamic Phase Field Fracture using a New Asynchronous Variational Integrator conference, 10th FRASCAL seminar (Erlangen 25. Oktober 2024 )Jadhav D. , Weinberg K. , Ortiz M. , Leyendecker S. :Phase Field Modeling of Dynamic Fracture using a Modified Asynchronous Variational Integrator conference, European Conference on Fracture 2024 (Zagreb 26. August 2024 - 30. August 2024 )Leyendecker S. , Martonová D. , Stavole M. :Structure preserving neural network-based methods — Euler’s elastica and cardiac model discovery conference, NUMDIFF-17 Conference on the Numerical Solution of Differential and Differential-Algebraic Equations (Halle 9. September 2024 - 13. September 2024 )Leyendecker S. , Maslovskaya S. , Ober-Blöbaum S. , Sato Martin de Almagro R. , Szemenyei F. :A NEW LAGRANGIAN APPROACH TO CONTROL AFFINE SYSTEMS WITH A QUADRATIC LAGRANGE TERM Journal of Computational Dynamics 11 2024 ), S. 336-353 ISSN: 2158-2491 10.3934/jcd.2024017 Lohmayer M. , Capobianco G. , Leyendecker S. :Exergetic port-Hamiltonian systems for multibody dynamics Multibody System Dynamics 2024 )ISSN: 1384-5640 10.1007/s11044-024-10038-w Lohmayer M. , Lynch O. , Capobianco G. , Leyendecker S. :Recent progress on the EPHS modeling language: Multibody systems and discrete-time semantics conference, 2nd Brig Workshop on Dissipativity in Systems and Control (Brig 21. Mai 2024 - 24. Mai 2024 )Loy N. , Blazek V. , Jukic E. , Fleischmann ME. , Coppers B. , Hübner J. , Iqbal M. , Heinrich S. , Scheiterer E. , Leyendecker S. , Greenfield J. , Labinski H. , Raimondo MG. , Ramming A. , Schönau V. , Schett G. , Knitza J. , Liphardt AM. :POS0494 FEAR OF MOVEMENT AFFECTS RANGE OF MOTION DURING REPEATED BASMI EXERCISES ASSESSED BY STATE-OF-THE-ART MOTION CAPTURE TECHNIQUES Annals of the Rheumatic Diseases 2024 ), S. 936.3-937 ISSN: 0003-4967 10.1136/annrheumdis-2024-eular.5298 Martonová D. :Computational modelling and simulation of rat heart electromechanics – from (smoothed) finite element methods towards a ligand-receptor model 2024 )https://www.ltd.tf.fau.de/files/2024/05/dissertation-denisa-martonova.pdf Martonová D. , Peirlinck M. , Linka K. , Holzapfel GA. , Leyendecker S. , Kuhl E. :Automated model discovery for human cardiac tissue: Discovering the best model and parameters Computer Methods in Applied Mechanics and Engineering 428 2024 ), Art.Nr.: 117078 ISSN: 0045-7825 doi.org/10.1016/j.cma.2024.117078 Martonová D. , Peirlinck M. , Linka K. , Holzapfel GA. , Leyendecker S. , Kuhl E. :Constitutive neural networks for model discovery of myocardial tissue conference, CMBBE 2024 SYMPOSIUM, 19th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering (Vancouver 30. Juli 2024 - 1. August 2024 )Nitschke M. , Dorschky E. , Leyendecker S. , Eskofier B. , Koelewijn A. :Estimating 3D kinematics and kinetics from virtual inertial sensor data through musculoskeletal movement simulations Frontiers in Bioengineering and Biotechnology 12 2024 )ISSN: 2296-4185 10.3389/fbioe.2024.1285845 Scheiterer E. , Heinrich S. , Liphardt AM. , Leyendecker S. :Marker position uncertainty in joint angle analysis for normal human gait — A new error-modelling approach Biomedical Signal Processing and Control 95 2024 ), Art.Nr.: 106474 ISSN: 1746-8094 doi.org/10.1016/j.bspc.2024.106474 Stavole M. , Sato Martin de Almagro R. , Capobianco G. , Brüls O. , Leyendecker S. :An augmented Lagrangian formulation of the planar elastica in constrained environments conference, 7th IMSD International Conference on Multibody System Dynamics (Madison, Wisconsin 9. Juni 2024 - 13. September 2024 )Wechsler I. , Wolf A. , Shanbhag J. , Leyendecker S. , Eskofier B. , Koelewijn A. , Wartzack S. , Miehling J. :Bridging the sim2real gap. Investigating deviations between experimental motion measurements and musculoskeletal simulation results—a systematic review Frontiers in Bioengineering and Biotechnology 12 2024 )ISSN: 2296-4185 10.3389/fbioe.2024.1386874 https://www.frontiersin.org/articles/10.3389/fbioe.2024.1386874 2023 Capobianco G. :Dynamics of flexible multibody systems with frictional contact poster, GAMM Annual Meeting (Dresden 30. Mai 2023 - 2. Juni 2023 )Capobianco G. :Event-capturing Lobatto-type integrators for mechanical systems with frictional contact conference, European Network for Nonsmooth Dynamics (ENNSD) Symposium (Liége 5. September 2023 - 6. September 2023 )Capobianco G. , Harsch J. , Leyendecker S. :Lobatto-type variational integrators for mechanical systems with frictional contact Computer Methods in Applied Mechanics and Engineering 418 2023 )ISSN: 0045-7825 10.1016/j.cma.2023.116496 Chen X. , Leyendecker S. , van den Bedem H. :SARS-CoV-2 main protease mutation analysis via a kinematic method Proteins-Structure Function and Bioinformatics 2023 ), S. 1-14 ISSN: 0887-3585 10.1002/prot.26543 Ferraro SJ. , Martín de Diego D. , Sato Martin de Almagro R. :Parallel iterative methods for variational integration
and related problems invited lecture, Foundations of Computational Mathematics (FOCM) (Paris 12. Juni 2023 - 21. Juni 2023 )Fleischmann S. , Shanbhag J. , Miehling J. , Wartzack S. , Leyendecker S. , Koelewijn A. , Eskofier B. :Time vs. Space: Comparing gait cycle normalization methods and their effect on foot placement control 28th Congress of the European Society of Biomechanics (Maastricht 9. Juli 2023 - 12. Juli 2023 )Harsch J. , Capobianco G. , Eberhardt L. , Eugster SR. , Leine RI. :Rattle for mechanical systems with frictional unilateral constraints conference, ICCM 2023 International Conference on Composite Materials (Belfast 30. Juli 2023 - 4. September 2023 )Heinrich S. , Coppers B. , Liphardt AM. , Leyendecker S. :Inclusion of optical marker position data in optimal control simulations of a rigid body model of the human hand conference, ECCOMAS - 11th Thematic Conference on Multibody Dynamics (Lisboa 24. Juli 2023 - 28. Juli 2023 )Heinrich S. , Coppers B. , Liphardt AM. , Leyendecker S. :On the inclusion of motion capture data in optimal control simulations of the human hand conference, 18th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering (Paris 3. Mai 2023 - 5. Mai 2023 )Heinrich S. , Coppers B. , Liphardt AM. , Leyendecker S. :Why and How to Include Data in Biomechanical Optimal Control Simulations conference, Interdisciplinary Handsymposium 2023 (Erlangen 4. Oktober 2023 - 5. Oktober 2023 )Hoffmann R. , Schwöbel C. , Kelkel D. , Leyendecker S. :Gender differences in cycling motions: On objective functions for urban cycling GAMM Annual Meeting In: Procc. App. Math. Mech. (PAMM) 2023 10.1002/pamm.202300202 Holz D. , Martonová D. , Schaller E. , Duong MT. , Alkassar M. , Weyand M. , Leyendecker S. :Transmural fibre orientations based on Laplace-Dirichlet-Rule-Based-Methods and their influence on human heart simulations Journal of Biomechanics 2023 ), Art.Nr.: 111643 ISSN: 0021-9290 10.1016/j.jbiomech.2023.111643 Jadhav D. , Leyendecker S. :Asynchronous Variational Integrators for Elastodynamics and for a Phase Field Model of Dynamic Fracture conference, 3rd RTG Retreat (Bad Staffelstein 17. November 2023 - 18. November 2023 )Jadhav D. , Phansalkar D. , Leyendecker S. :Numerical illustration of Γ-convergence for variational integrators conference, 8th FRASCAL seminar (Erlangen 28. April 2023 )Jadhav D. , Phansalkar D. , Weinberg K. , Ortiz M. , Leyendecker S. :Investigation of different forms of fracture using a spatially adaptive phase-field model conference, 8th GAMM Workshop on Phase-field modeling (ETH Zürich 6. Februar 2023 - 7. Februar 2023 )Koelewijn A. , Nitschke M. , Leyendecker S. :“In the Wild" Movement Analysis of Arbitrary Motions 18th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering (CMBBE) (Paris, France 3. Mai 2023 - 5. Mai 2023 )Leyendecker S. :Biomechanical modelling and simulation — Muskuloskeletal, cardiac and protein system invited lecture, Rotary Club (Nuremberg, Sebald 10. März 2023 )Leyendecker S. :Computational models of geometrically exact beams in multibody dynamics and as smart actuators conference, MaGIC 2023 (Øyer 27. Februar 2023 - 3. März 2023 )Leyendecker S. :Geometric modelling, integration and optimal control of flexible multibody dynamics plenary lecture, ECCOMAS - 11th Thematic Conference on Multibody Dynamics (Lisboa 24. Juli 2023 - 28. Juli 2023 )Lishkova Y. , Ober-Blöbaum S. , Leyendecker S. :Multirate discrete mechanics and optimal control for a flexible satellite model 1/2023 2023 )ISSN: 2196-3789 https://www.gamm-ev.de/wp-content/uploads/2023/05/GAMM_1-23_web-compressed.pdf Lohmayer M. , Leyendecker S. :Exergetic Port-Hamiltonian Systems for Multibody Dynamics conference, 4th workshop of the doctoral college "Port-Hamiltonian Systems: Modelling, Numerics, and Control” (Karlsruhe Institute of Technology, Karlsruhe 11. Oktober 2023 - 13. Oktober 2023 )Lohmayer M. , Lynch O. , Leyendecker S. :Exergetic Port-Hamiltonian Systems (EPHS) - a compositional and thermodynamically consistent modeling language for multiphysical systems conference, ECMI 2023, 22nd Conference on Industrial and Applied Mathematics (Wrocław 26. Juni 2023 - 30. Juni 2023 )Martonová D. , Holz D. , Duong MT. , Leyendecker S. :Smoothed finite element methods in modelling and simulation of active cardiac contraction conference, 18th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering (Paris 3. Mai 2023 - 5. Mai 2023 )Martonová D. , Holz D. , Duong MT. , Leyendecker S. :Smoothed finite element methods in simulation of active contraction of myocardial tissue samples Journal of Biomechanics 2023 )ISSN: 0021-9290 10.1016/j.jbiomech.2023.111691 Martonová D. , Lavaill M. , Forwood MR. , Robling A. , Cooper DML. , Leyendecker S. , Pivonka P. :Effects of PTH glandular and external dosing patterns on bone cell activity using a two-state receptor model—Implications for bone disease progression and treatment PLoS ONE 2023 )ISSN: 1932-6203 10.1371/journal.pone.0283544 Mühl C. , Jadhav D. , Ramakrishnan AN. , Schwan S. , Klauke F. , Hofmann GO. , Mendel T. :Etablierung eines Finite-Elemente-Modells zur Darstellung des Patienten-spezifischen Risikos für osteoporotische Frakturen des Sakrums während Alltagsaktivitäten conference, Deutscher Kongress für Orthopädie und Unfallchirurgie (Berlin 24. Oktober 2023 - 27. Oktober 2023 )Nitschke M. , Marzilger R. , Leyendecker S. , Eskofier B. , Koelewijn A. :Change the direction: 3D optimal control simulation by directly tracking marker and ground reaction force data PeerJ 2023 )ISSN: 2167-8359 10.7717/peerj.14852 https://peerj.com/articles/14852/ Penner J. :A discrete variational approach to muscle wrapping in musculoskeletal optimal control simulations 2023 )Phansalkar D. , Jadhav D. , Weinberg K. , Ortiz M. , Leyendecker S. :Extension of the spatially adaptive phase-field model to various forms of fracture Forces in Mechanics 10 2023 ), Art.Nr.: 100161 ISSN: 2666-3597 10.1016/j.finmec.2022.100161 Port Linares H. , Coppers B. , Bayat S. , Elie-Tino G. , Fagni F. , Corte G. , Bay-Jensen AC. , Tascilar K. , Hueber A. , Schönau V. , Sticherling M. , Heinrich S. , Bohr C. , Schett G. , Kleyer A. , Leyendecker S. , Nielsen SH. , Liphardt AM. :Blood-Based Biomarkers of Inflammation and Tissue Remodeling Can Discriminate Between Rheumatoid Arthritis, Psoriasis, and Psoriatic Arthritis and Are Associated with Hand Function poster, American College of Rheumatology Convergence (San Diego 14. November 2023 - 19. November 2023 )Sato Martin de Almagro R. :High-order integrators for Lagrangian systems on homogeneous spaces via nonholonomic mechanics Journal of Computational and Applied Mathematics 421 2023 ), Art.Nr.: 114837 ISSN: 0377-0427 10.1016/j.cam.2022.114837 Sato Martin de Almagro R. , Leyendecker S. :Frequency-dependent damping as forcing on multisymplectic integrators conference, ICIAM 2023 -- 10th International Congress on Industrial and Applied Mathematics (Tokyo 20. August 2023 - 25. August 2023 )Sato Martin de Almagro R. , Leyendecker S. :Variational integrators and frequency-dependent damping poster, Foundations of Computational Mathematics (FOCM) (Paris 12. Juni 2023 - 21. Juni 2023 )Scheiterer E. , Leyendecker S. :Propagation of epistemic uncertainty though
a multi-layerd geometrically exact beam conference, ICIAM 2023 -- 10th International Congress on Industrial and Applied Mathematics (Tokyo 20. August 2023 - 25. August 2023 )Schneider C. , Szemenyei F. :Besov regularity of inhomogeneous parabolic PDEs Partial Differential Equations and Applications 2023 )ISSN: 2662-2963 10.1007/s42985-023-00262-y Schneider C. , Szemenyei F. :Sobolev and Besov regularity of parabolic PDEs with inhomogeneous boundary data Partial Differential Equations and Applications 2023 )ISSN: 2662-2963 Schubert M. , Sato Martin de Almagro R. , Nachbagauer K. , Ober-Blöbaum S. , Leyendecker S. :Discrete adjoint method for variational integration of constrained ODEs and its application to optimal control of geometrically exact beam dynamics Multibody System Dynamics 2023 ), S. 1-28 ISSN: 1384-5640 10.1007/s11044-023-09934-4 Shanbhag J. , Wolf A. , Wechsler I. , Fleischmann S. , Winkler J. , Leyendecker S. , Eskofier B. , Koelewijn A. , Wartzack S. , Miehling J. :Methods for integrating postural control into biomechanical human simulations: a systematic review Journal of neuroEngineering and rehabilitation 20 2023 ), Art.Nr.: 111 ISSN: 1743-0003 10.1186/s12984-023-01235-3 Stavole M. , Leyendecker S. :Endoscopes: from experimental characterisation to modelling conference, Industrial workshop by fleXstructures 2023 (Kaiserslautern 25. Mai 2023 - 26. Mai 2023 )Stavole M. , Sato Martin de Almagro R. , Brüls O. , Leyendecker S. :Augmented Lagrangian contact formulation of the 2D Euler elastica conference, ICIAM 2023 -- 10th International Congress on Industrial and Applied Mathematics (Tokyo 20. August 2023 - 25. August 2023 )Stavole M. , Sato Martin de Almagro R. , Capobianco G. , Brüls O. , Leyendecker S. :2D Euler elastica in constrained environments conference, HFSS International Conference on Highly Flexible Slender Structures (THREAD annual meeting) (Rijeka 24. Juli 2023 - 29. September 2023 )Stavole M. , Sato Martin de Almagro R. , Dörlich V. , Leyendecker S. :Homogenised stiffness coefficients of unloaded endoscope shafts conference, MaGIC 2023 (Øyer 27. Februar 2023 - 3. März 2023 )Stavole M. , Sato Martin de Almagro R. , Dörlich V. , Leyendecker S. :Homogenized stiffness coefficients of unloaded endoscope shafts conference, ECCOMAS Thematic Conference on Multibody Dynamics (Lisboa 24. Juli 2023 - 28. Juli 2023 )Stavole M. , Sato Martin de Almagro R. , Dörlich V. , Leyendecker S. :Homogenized stiffness coefficients of unloaded endoscope shafts conference, HFSS International Conference on Highly Flexible Slender Structures (THREAD annual meeting) (Rijeka 25. September 2023 - 29. September 2023 )Wirth V. , Liphardt AM. , Coppers B. , Bräunig J. , Heinrich S. , Leyendecker S. , Kleyer A. , Schett G. , Vossiek M. , Egger B. , Stamminger M. :Markerless RGB-D Hand Pose Estimation for Activity Monitoring of Musculoskeletal Diseases IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI’23) (Pittsburgh, USA 15. Oktober 2023 - 18. Oktober 2023 )Wirth V. , Liphardt AM. , Coppers B. , Bräunig J. , Heinrich S. , Leyendecker S. , Kleyer A. , Schett G. , Vossiek M. , Egger B. , Stamminger M. :ShaRPy: Shape Reconstruction and Hand Pose Estimation from RGB-D with Uncertainty International Conference on Computer Vision (ICCV) Workshops (Paris 2. Oktober 2023 - 6. Oktober 2023 )In: Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV) Workshops 2023 https://openaccess.thecvf.com/content/ICCV2023W/CVAMD/html/Wirth_ShaRPy_Shape_Reconstruction_and_Hand_Pose_Estimation_from_RGB-D_with_ICCVW_2023_paper.html 2022 Capobianco G. , Huang D. , Sato Martin de Almagro R. , Leyendecker S. :Introduction to Numerics (INUMS) invited lecture, FRASCAL Mini Lecture (Erlangen 24. Juni 2022 )Chen X. , Leyendecker S. , van den Bedem H. :Kinematic Vibrational Entropy Assessment and Analysis of SARS CoV-2 Main Protease Journal of Chemical Information and Modeling 62 2022 ), S. 2869-2879 ISSN: 1549-9596 10.1021/acs.jcim.2c00126 Coppers B. , Heinrich S. , Phutane U. , Berisha D. , Tascilar K. , Kleyer A. , Simon D. , Bräunig J. , Penner J. , Vossiek M. , Schönau J. , Bayat S. , Schett G. , Leyendecker S. , Liphardt AM. :Feasibility of using optoelectronic measurement of hand movement for characterizing hand function in rheumatoid arthritis 75th EULAR (European Alliance of Associations for Rheumatology), European Congress of Rheumatology 2022 (Copenhagen 1. Juni 2022 - 4. Juni 2022 )10.1136/annrheumdis-2022-eular.1741 Coppers B. , Heinrich S. , Phutane U. , Berisha D. , Tascilar K. , Kleyer A. , Simon D. , Bräunig J. , Penner J. , Vossiek M. , Schönau V. , Bayat S. , Schett G. , Leyendecker S. , Liphardt AM. :Evaluation of marker-based motion capturing to charactherize basic hand movements in rheumatic patients 27th Congress of the European Society of Biomechanics (Porto 26. Juni 2022 - 29. Juni 2022 )Coppers B. , Phutane U. , Berisha D. , Tascilar K. , Kleyer A. , Simon D. , Bräunig J. , Penner J. , Vossiek M. , Schönau V. , Heinrich S. , Bayat S. , Schett G. , Leyendecker S. , Liphardt AM. :Establishment and evaluation of a sensor-based method to assess hand function in patients with rheumatoid arthritis conference, World Biomechanics Congress 2022 (Taipei (online) 10. Juli 2022 - 14. Juli 2022 )Harsch J. , Capobianco G. , Eugster SR. , Leine RI. :A generalized-alpha scheme for the simulation of flexible multibody systems with constraints conference, 92nd GAMM Annual Meeting (Aachen 15. August 2022 - 19. August 2022 )Heinrich S. , Leyendecker S. :Analysis of Degenerative Motion Impairments through Integration of Empathokinaesthetic Sensor Data in Biomechanical Human Models conference, EmpkinS GAP IX | Workshop (Erlangen 1. Februar 2022 )Heinrich S. , Phutane U. , Coppers B. , Liphardt AM. , Leyendecker S. :Towards optimal control grasping simulations with the full hand conference, 9th GACM Colloquium on Computational Mechanics - for Young Scientists from Academia and Industry (Essen 21. September 2022 - 23. September 2022 )Heinrich S. , Phutane U. , Penner J. , Coppers B. , Liphardt AM. , Leyendecker S. :Comparison of different approaches for the personalization of a kinematic hand model conference, World Biomechanics Congress 2022 (Taipei (Online) 10. Juli 2022 - 14. Juli 2022 )https://www.wcb2022.com Holz D. , Martonová D. , Schaller E. , Duong MT. , Alkassar M. , Leyendecker S. :The influence of the orthotropic tissue in an electromechanical heart model conference, 27th Congress of the European Society of Biomechanics (Porto 26. Juni 2022 - 29. Juni 2022 )Huang D. , Leyendecker S. :Dielectric Elastomer Actuated Multibody System Dynamics and Optimal Control 92nd GAMM Annual Meeting (Aachen 15. August 2022 - 19. August 2022 )Huang D. , Leyendecker S. :Optimal control of dielectric elastomer actuated multibody dynamical systems Soft Robotics 2022 )ISSN: 2169-5172 10.1089/soro.2022.0162 Jadhav D. , Phansalkar D. , Leyendecker S. :Finite Element Modeling of Osteoporotic Pelvic Ring and Extension of Project P9 into temporal adaptivity conference, 2nd RTG Retreat of FRASCAL (Bad Windsheim 5. Mai 2022 - 6. Mai 2022 )Kumar P. , Phansalkar D. , Mergheim J. , Leyendecker S. , Steinmann P. :Computational Fracture Modeling in Heterogeneous Materials - Recent Advances and Future Challenges conference, WCCM-APCOM 15th World Congress on Computational Mechanics & 8th Asian Pacific Congress on Computational Mechanics (Yokohama (online) 31. Juli 2022 - 5. August 2022 )Kumar S. , Gosselet P. , Huang D. , Weissenfels C. , Wriggers P. :Parallel multiphysics simulation for the stabilized Optimal Transportation Meshfree (OTM) method Journal of Computational Science 62 2022 )ISSN: 1877-7503 10.1016/j.jocs.2022.101739 Leitz T. :Galerkin Lie group variational integrators 2022 )Leyendecker S. :Structure preserving simulation and optimal control of flexible multibody dynamics invited lecture, School of Mechanical, Medical & Process Engineering,
Queensland University of Technology (Brisbane 26. Mai 2022 )Lohmayer M. , Leyendecker S. :EPHS: A Port-Hamiltonian Modelling Language 25th International Symposium on Mathematical Theory of Networks and Systems MTNS 2022 (Bayreuth 12. September 2022 - 16. September 2022 )doi.org/10.1016/j.ifacol.2022.11.077 Lohmayer M. , Leyendecker S. :EPHS: A Port-Hamiltonian Modelling Language conference, MTNS 2022: 25th International Symposium on Mathematical Theory of Networks and Systems (Bayreuth 12. September 2022 - 16. September 2022 )10.1016/j.ifacol.2022.11.077 Lohmayer M. , Leyendecker S. :Exergetic Port-Hamiltonian Systems: Navier-Stokes-Fourier Fluid conference, TFMST 2022: IFAC Workshop on Thermodynamic Foundations of Mathematical Systems Theory (Montreal (Online) 24. Juli 2022 - 27. Juli 2022 )10.1016/j.ifacol.2022.08.033 Lohmayer M. , Leyendecker S. :Exergetic Port-Hamiltonian Systems: Navier-Stokes-Fourier Fluid TFMST 2022 (Montreal 25. Juli 2022 - 27. Juli 2022 )In: IFAC-PapersOnLine 2022 10.1016/j.ifacol.2022.08.033 Martonová D. , Holz D. , Brackenhammer D. , Weyand M. , Leyendecker S. , Alkassar M. :Support Pressure Acting on the Epicardial Surface of a Rat Left Ventricle — A Computational Study Frontiers in Cardiovascular Medicine 9 2022 )ISSN: 2297-055X 10.3389/fcvm.2022.850274 Martonová D. , Holz D. , Seufert J. , Duong MT. , Alkassar M. , Leyendecker S. :Comparison of stress and stress–strain approaches for the active contraction in a rat cardiac cycle model Journal of Biomechanics 134 2022 ), Art.Nr.: 110980 ISSN: 0021-9290 10.1016/j.jbiomech.2022.110980 Nitschke M. , Marzilger R. , Leyendecker S. , Eskofier B. , Koelewijn A. :Optical motion capturing of change of direction motions reconstructed with inverse kinematics and dynamics and optimal control simulation 2022 )10.5281/zenodo.6949012 Penner J. , Leyendecker S. :A discrete mechanics approach for musculoskeletal simulations with muscle wrapping Multibody System Dynamics 2022 )ISSN: 1384-5640 10.1007/s11044-022-09844-x Phansalkar D. , Weinberg K. , Ortiz M. , Leyendecker S. :A spatially adaptive phase-field model for dynamic fracture conference, ECCOMAS - 8th European Congress on Computational Methods in Applied Sciences and Engineering (Oslo 5. Juni 2022 - 9. Juni 2022 )Phansalkar D. , Weinberg K. , Ortiz M. , Leyendecker S. :A spatially adaptive phase-field model of fracture Computer Methods in Applied Mechanics and Engineering 395 2022 )ISSN: 0045-7825 10.1016/j.cma.2022.114880 Phutane U. , Roller M. , Leyendecker S. :Optimal control simulations of two-finger grasps Mechanism and Machine Theory 167 2022 ), S. 104508 ISSN: 0094-114X 10.1016/j.mechmachtheory.2021.104508 Scheiterer E. , Heinrich S. , Leyendecker S. :Considering epistemic uncertainty in optical marker based joint angle calculation during human gait conference, WCCM-APCOM 15th World Congress on Computational Mechanics & 8th Asian Pacific Congress on Computational Mechanics (Yokohama, online 31. Juli 2022 - 5. August 2022 )Scheiterer E. , Leyendecker S. :Correction to: Fuzzy forward dynamics of distinct gait phases with a prosthetic foot (Computational Mechanics, (2022), 10.1007/s00466-022-02167-w) Computational Mechanics 2022 )ISSN: 0178-7675 10.1007/s00466-022-02211-9 Scheiterer E. , Leyendecker S. :Fuzzy forward dynamics of distinct gait phases with a prosthetic foot Computational Mechanics 2022 )ISSN: 0178-7675 10.1007/s00466-022-02167-w Stavole M. , Dörlich V. , Linn J. , Sato Martin de Almagro R. , Leyendecker S. :Endoscopes: an experimental characterisation of their constitutive properties conference, ITWM Fraunhofer (Kaiserslautern 22. Juli 2022 )Stavole M. , Leyendecker S. :Industrial and mathematical challenges of a medical application conference, Math meets industry 2022 (Trondheim 2. Juni 2022 )Stavole M. , Leyendecker S. :Variational modelling and simulation of complex beams and their optimisation conference, THREAD Annual Meeting (Seville 26. Mai 2022 )Stavole M. , Leyendecker S. , Sato Martin de Almagro R. :Homogenization of the constitutive properties of composite beam cross-sections conference, MaGIC 2022: Manifolds and Geometric Integration Colloquia, (Ilsetra 28. Februar 2022 - 4. März 2022 )10.23967/eccomas.2022.139 Stavole M. , Sato Martin de Almagro R. , Leyendecker S. :Variational modelling and simulation of complex beams and their optimisation. conference, THREAD Annual Meeting (Liége 26. September 2022 - 28. September 2022 )Stavole M. , Sato Martin de Almagro R. , Lohk M. , Leyendecker S. :Homogenization of the constitutive properties of composite beam cross-sections conference, ECCOMAS - 8th European Congress on Computational Methods in Applied Sciences and Engineering (Oslo 5. Juni 2022 - 9. Juni 2022 )10.23967/eccomas.2022.139 Stavole M. , Sato Martin de Almagro R. , Lohk M. , Leyendecker S. :Homogenization of the constitutive properties of composite beam cross-sections ECCOMAS Congress 2022 - 8th European Congress on Computational Methods in Applied Sciences and Engineering (Oslo 5. Juni 2022 - 9. Juni 2022 )In: Computational Solid Mechanics 2022 10.23967/eccomas.2022.139 2021 Chen X. , Leyendecker S. , van den Bedem H. :SARS Covid-19 main protease mutation analysis by the kinematic method conference, ECCOMAS Thematic Conference on Multibody Dynamics (Budapest 12. Dezember 2021 - 15. Dezember 2021 )Chen X. , Leyendecker S. , van den Bedem H. :Vibrational entropy calculation of proteins via kinematic flexibility analysis conference, GAMM Annual Meeting (Kassel 15. März 2021 - 19. März 2021 )Ferraro SJ. , Martin De Diego D. , Sato Martin de Almagro R. :Parallel iterative methods for variational integration applied to navigation problems conference, 7th IFAC Workshop on Lagrangian and Hamiltonian Methods for Nonlinear Control (LHMNC) (Berlin In: IFAC PAPERSONLINE , AMSTERDAM 2021 10.1016/j.ifacol.2021.11.097 Ferraro SJ. , Martin de Diego D. , Sato Martin de Almagro R. :Parallel iterative methods for variational integration applied to navigation problems invited lecture, Geometry, Mechanics and Control Seminar (Madrid 19. November 2021 )10.1016/j.ifacol.2021.11.097 Gail T. :Numerical studies on variational multirate integrators and their use in discrete mechanics and optimal control 2021 )https://opus4.kobv.de/opus4-fau/frontdoor/index/index/rows/20/sortfield/score/sortorder/desc/searchtype/simple/query/Gail/doctypefq/doctoralthesis/docId/17573/start/3 Holz D. , Duong MT. , Martonová D. , Alkassar M. , Leyendecker S. :A Transmural Path Model Improves the Definition of the Orthotropic Tissue Structure in Heart Simulations Journal of Biomechanical Engineering-Transactions of the Asme 144 2021 ), S. 031002 (10 pages) ISSN: 0148-0731 10.1115/1.4052219 Holz D. , Duong MT. , Martonová D. , Alkassar M. , Leyendecker S. :Discontinuous Galerkin-based approach to define orthotropic tissue structure in computational heart models conference, International Conference on Computational Biomechanics (Paris 20. September 2021 - 21. September 2021 )Huang D. , Leyendecker S. :An electromechanically coupled beam model for dielectric elastomer actuators Computational Mechanics 2021 )ISSN: 0178-7675 10.1007/s00466-021-02115-0 Huang D. , Leyendecker S. :Modelling of dielectric elastomer actuated flexible multibody dynamics conference, ECCOMAS Thematic Conference on Multibody Dynamics (Budapest 12. Dezember 2021 - 15. Dezember 2021 )Huang D. , Leyendecker S. :Modelling of Electromechanical Coupling in Geometrically Exact Beam Dynamics 14th WCCM-ECCOMAS Congress 2020 (online 11. Januar 2021 - 15. Januar 2021 )10.23967/wccm-eccomas.2020.207 https://www.scipedia.com/public/Huang_Leyendecker_2021a Leitz T. , Sato Martin de Almagro R. , Leyendecker S. :Galerkin variational integration of the geometrically exact beam via unit dual quaternion interpolation conference, GAMM Annual Meeting (Kassel 15. März 2021 - 19. März 2021 )Leitz T. , Sato Martin de Almagro R. , Leyendecker S. :Multisymplectic Galerkin Lie group variational integrators for geometrically exact beam dynamics based on unit dual quaternion interpolation — no shear locking Computer Methods in Applied Mechanics and Engineering 374 2021 ), S. 113475 ISSN: 0045-7825 10.1016/j.cma.2020.113475 https://www.sciencedirect.com/science/article/pii/S0045782520306605 Leyendecker S. , Penner J. , Phutane U. :Geometric numerical integration in simulation and optimal control of biomechanical motion Invited lecture, GAMM Annual Meeting (Kassel 15. März 2021 - 19. März 2021 )Lishkova Y. , Ober-Blöbaum S. , Cannon M. , Leyendecker S. :A multirate variational approach to simulation and optimal control for flexible spacecraft 2020 AAS/AIAA Astrodynamics Specialist Conference In: 2020 AAS/AIAA Astrodynamics Specialist Conference 2021 Lohmayer M. , Kotyczka P. , Leyendecker S. :Exergetic Port-Hamiltonian Systems: Modelling Basics Mathematical and Computer Modelling of Dynamical Systems 27 2021 ), S. 489-521 ISSN: 1387-3954 10.1080/13873954.2021.1979592 Lohmayer M. , Kotyczka P. , Leyendecker S. :GENERIC and Port-Hamiltonian structures for complex systems conference, Joint European Thermodynamics Conference (Prague 14. Juni 2021 - 18. Juni 2021 )Martonová D. , Alkassar M. , Seufert J. , Holz D. , Duong MT. , Reischl B. , Friedrich O. , Leyendecker S. :Characterisation of passive mechanical properties in healthy and infarcted rat myocardium conference, GAMM Annual Meeting (Kassel 15. März 2021 - 19. März 2021 )Martonová D. , Alkassar M. , Seufert J. , Holz D. , Duong MT. , Reischl B. , Friedrich O. , Leyendecker S. :Influence of passive mechanical properties in healthy and infarcted rat myocardium on the cardiac cycle GAMM Annual Meeting (Kassel 15. März 2021 - 19. März 2021 )In: Proc. Appl. Math. Mech. (PAMM) 2021 10.1002/pamm.202100054 Martonová D. , Alkassar M. , Seufert J. , Holz D. , Duong MT. , Reischl B. , Friedrich O. , Leyendecker S. :Passive mechanical properties in healthy and infarcted rat left ventricle characterised via a mixture model Journal of the Mechanical Behavior of Biomedical Materials 119 2021 ), Art.Nr.: 104430 ISSN: 1751-6161 10.1016/j.jmbbm.2021.104430 Martonová D. , Holz D. , Duong MT. , Leyendecker S. :Towards the simulation of active cardiac mechanics using a smoothed finite element method Journal of Biomechanics 115 2021 ), S. 110153 ISSN: 0021-9290 10.1016/j.jbiomech.2020.110153 Michaelis J. , Reiher I. , Heinrich S. , Coppers B. , Schett G. , Kleyer A. , Elewaut D. , De Craemer M. , Leyendecker S. , Liphardt AM. :CyberGlove for clinical use? FAU-Networking Night Medizintechnik (Erlangen 27. Oktober 2021 - 27. Oktober 2021 )Phansalkar D. , Weinberg K. , Ortiz M. , Leyendecker S. :Dynamic simulation of a phase-field fracture with the Newmark method conference, 6th Research Training Group GRK 2423 FRASCAL (Neuhof an der Zenn 14. Oktober 2021 - 16. Oktober 2021 )Phansalkar D. , Weinberg K. , Ortiz M. , Leyendecker S. :Space-dependent transition zone parameter for a phase-field model of brittle fractures conference, GAMM Annual Meeting (Kassel 15. März 2021 - 19. März 2021 )Phansalkar D. , Weinberg K. , Ortiz M. , Leyendecker S. :Uniform and adaptive in phase-field models for brittle fractures conference, 5th Research Training Group GRK 2423 FRASCAL (online 30. April 2021 )Phutane U. , Liphardt AM. , Bräunig J. , Penner J. , Klebl M. , Vossiek M. , Kleyer A. , Schett G. , Leyendecker S. :Evaluation of Optical and Radar Based Motion Capturing Technologies for Characterizing Hand Movement in Rheumatoid Arthritis — A Pilot Study Sensors 21 2021 ), Art.Nr.: 1208 ISSN: 1424-8220 10.3390/s21041208 Roller M. , Björkenstam S. , Dörlich V. , Harant M. , Obentheuer M. , Leyendecker S. , Linn J. :Optimal control of a human driver in highly dynamic driving scenarios conference, ECCOMAS Thematic Conference on Multibody Dynamics (Budapest 12. Dezember 2021 - 15. Dezember 2021 )Sato Martin de Almagro R. :Convergence of Lobatto-type Runge–Kutta methods for partitioned differential-algebraic systems of index 2 Bit Numerical Mathematics 2021 )ISSN: 0006-3835 10.1007/s10543-021-00871-2 Sato Martin de Almagro R. :High-order integrators on homogeneous spaces via nonholonomic mechanics Conference on the Numerical Solution of Differential and Differential-Algebraic Equations (Halle 6. September 2021 - 10. September 2021 )In: NUMDIFF-16 2021 Sato Martin de Almagro R. , Leitz T. , Leyendecker S. :Galerkin variational integration of the geometrically exact beam via unit dual quaternion interpolation 2021 )Scheiterer E. , Leyendecker S. :Dynamic analysis of prosthetic structures with polymorphic uncertainty conference, SPP1886 annual meeting 2021 Scheiterer E. , Leyendecker S. :Forward dynamics simulation of a human leg model with a geometrically exact beam model as prosthetic foot GAMM Annual Meeting (Kassel 15. März 2021 - 19. März 2021 )In: Proc. Appl. Math. Mech. (PAMM) 2021 10.1002/pamm.202100096 Scheiterer E. , Leyendecker S. :Fuzzy forward dynamics of a human leg with a prosthetic foot conference, GAMM Annual Meeting (Kassel 15. März 2021 - 19. März 2021 )Scheiterer E. , Leyendecker S. :Predeformed geometrically exact beam model for a dynamic-response prosthesis GAMM Annual Meeting In: Proc. Appl. Math. Mech. (PAMM) 2021 10.1002/pamm.202000152 Stavole M. , Leyendecker S. :Nonlinear Cosserat Rod Statics Using Homogenized Constitutive Properties of Multi-Layered Cross-Sections conference, ECCOMAS Thematic Conference on Multibody Dynamics (Budapest 12. Dezember 2021 - 15. Dezember 2021 )Stavole M. , Leyendecker S. :Variational modelling and simulation of complex beams and their optimization conference, THREAD Annual Meeting (Seville 5. Oktober 2021 - 7. Oktober 2021 )Stavole M. , Wenger T. , Leyendecker S. :Variational formulation and simulation of the 1D wave equation and geometrically exact beam dynamics conference, MaGIC 2021: Workshop on Manifolds and Geometric integration (Bergen and Trondheim 1. März 2021 - 5. März 2021 )2020 Chen X. , Leyendecker S. , van den Bedem H. :Kinematic Flexibility Analysis of Active and Inactive Kinase Conformations In: Proc. Appl. Math. Mech. (PAMM) 2020 10.1002/pamm.202000166 Colombo LJ. , Martín de Diego D. , Nayak A. , Sato Martin de Almagro R. :Geometric Optimal Trajectory Tracking of Nonholonomic Mechanical Systems SIAM Journal on Control and Optimization 58 2020 ), S. 1652-1675 ISSN: 0363-0129 10.1137/19M1243464 Huang D. :Meshfree Modelling of Metal Cutting using Phenomenological and Data-driven Material Models 2020 )https://www.ltd.tf.fau.de/files/2021/05/huang_2020.pdf Huang D. , Fuhg JN. , Weißenfels C. , Wriggers P. :A machine learning based plasticity model using proper orthogonal decomposition Computer Methods in Applied Mechanics and Engineering 365 2020 ), S. 113008 ISSN: 0045-7825 10.1016/j.cma.2020.113008 Huang D. , Leyendecker S. :On computational aspects of electromechanical coupling in geometrically exact beam dynamics Online symposium on flexible multibody system dynamics (Zoom 21. September 2020 - 21. September 2020 )Kergaßner A. , Burkhardt C. , Lippold D. , Kergaßner M. , Pflug L. , Budday D. , Steinmann P. , Budday S. :Memory-based meso-scale modeling of Covid-19 Computational Mechanics 2020 )ISSN: 0178-7675 10.1007/s00466-020-01883-5 Leyendecker S. :Geometric numerical integration in simulation and optimal control — and other topics Invited Lecture at Annual Meeting 2020 — Joint Training on Numerical Modelling of Highly Flexible Structures THREAD (Kaiserslautern (Microsoft Teams) 19. Oktober 2020 - 23. Oktober 2020 )Lohmayer M. , Leyendecker S. :Exergetic Port-Hamiltonian Systems — a tutorial Student Compact Course -- Variational Methods for Fluids and Solids (Berlin 12. Oktober 2020 - 23. Oktober 2020 )Martin De Diego D. , Sato Martin de Almagro R. :Variational order for forced Lagrangian systems II. Euler-Poincare equations with forcing Nonlinearity 33 2020 ), S. 3709-3738 ISSN: 0951-7715 10.1088/1361-6544/ab8bb1 Penner J. , Leyendecker S. :Defining Kinematic Chains for Musculoskeletal Optimal Control Simulations via Automatic Differentiation 6th International Digital Human Modeling Symposium (Skövde 31. August 2020 - 2. September 2020 )In: Proceedings of the 6th International Digital Human Modeling Symposium 2020 http://ebooks.iospress.nl/volume/dhm2020-proceedings-of-the-6th-international-digital-human-modeling-symposium Phansalkar D. , Leyendecker S. :Adaptivity in the Dynamic Simulation of Fracture Mechanics 2nd Visitors Workshop of GRK 2423 FRASCAL (Erlangen 12. März 2020 )Phansalkar D. , Leyendecker S. :On numerical challenges with a phase-field model for a mode I fracture 7th GAMM workshop on phase-field modeling (Kaiserslautern 10. Februar 2020 - 11. Februar 2020 )Phutane U. , Roller M. , Boebel A. , Leyendecker S. :Optimal Control of Grasping Problem Using Postural Synergies 6th International Digital Human Modeling Symposium (Skövde 31. August 2020 - 2. September 2020 )In: Proceedings of the 6th International Digital Human Modeling Symposium 2020 10.3233/ATDE200026 http://ebooks.iospress.nl/volume/dhm2020-proceedings-of-the-6th-international-digital-human-modeling-symposium Sato Martín de Almagro RT. , Leyendecker S. :Fundamentals of beam theory and flexible multibody dynamics Network wide training — Joint Training on Numerical Modelling of Highly Flexible Structures THREAD (Erlangen (ZOOM) 29. Juni 2020 - 3. Juli 2020 )Scheiterer E. , Leyendecker S. :Dynamic analysis of prosthetic structures with polymorphic uncertainty conference, SPP1886 phase 2 kickoff meeting Scheiterer E. , Leyendecker S. :Dynamic analysis of prosthetic structures with polymorphic uncertainty conference, SPP1886 Annual Meeting 2020 (, 26. Oktober 2020 - 27. Oktober 2020 )2019 Budday D. :High-Dimensional Robotics at the Nanoscale — Kino-Geometric Modeling of Proteins and Molecular Mechanisms 2019 )Budday D. , Leyendecker S. , van den Bedem H. :Kino‐Geometric Modeling: Insights into Protein Molecular Mechanisms GAMM Annual Meeting (Vienna 18. Februar 2019 - 22. Februar 2019 )In: Proc. Appl. Math. Mech (PAMM) 2019 10.1002/pamm.201900448 Duong MT. , Holz D. , Alkassar M. , Dittrich S. , Leyendecker S. :Interaction of the mechano-electrical feedback with passive mechanical models on a 3D rat left ventricle: a computational study Frontiers in Physiology 10 2019 ), S. 10-41 ISSN: 1664-042X 10.3389/fphys.2019.01041 https://www.frontiersin.org/articles/10.3389/fphys.2019.01041/abstract Eisentraudt M. , Leyendecker S. :Epistemic uncertainty in optimal control simulation Mechanical Systems and Signal Processing 121 2019 ), S. 876-889 ISSN: 0888-3270 10.1016/j.ymssp.2018.12.001 Eisentraudt M. , Leyendecker S. :Fuzzy uncertainty in forward dynamics simulation Mechanical Systems and Signal Processing 126 2019 ), S. 590-608 ISSN: 0888-3270 10.1016/j.ymssp.2019.02.036 Hoffmann R. , Taetz B. , Miezal M. , Bleser G. , Leyendecker S. :On optical data-guided optimal control simulations of human motion Multibody System Dynamics 2019 ), S. 1-22 ISSN: 1384-5640 10.1007/s11044-019-09701-4 Holz D. , Duong MT. , Alkassar M. , Dittrich S. , Leyendecker S. :Computational study of ventricular fibrillation by considering a strongly coupled electromechanical rat heart model GAMM Annual Meeting (Vienna 18. Februar 2019 - 22. Februar 2019 )In: Procc. App. Math. Mech. (PAMM) 2019 10.1002/pamm.201900227 Holz D. , Duong MT. , Kim M. , Alkassar M. , Dittrich S. , Leyendecker S. :Nonlinear fibre distribution in a finite element model of a human left ventricle for sparse and non-constant data sets 8th GACM Colloquium on Computational Mechanics (Kassel 28. August 2019 - 30. August 2019 )In: Proceedings of the 8th GACM Colloquium on Computational Mechanics 2019 Holz D. , Duong MT. , Kim M. , Alkassar M. , Dittrich S. , Leyendecker S. :Nonlinear fibre distribution in cardiac modelling 25th Congress of the European Society of Biomechanics (Vienna 7. Juli 2019 - 10. September 2019 )Holz D. , Duong MT. , Martonová D. , Alkassar M. , Dittrich S. , Leyendecker S. :Möglichkeiten und Perspektiven der Modellierung und Simulation Wissenschaftliche Jahrestagung der Deutschen Gesellschaft für Thorax-, Herz- und Gefäßchirurgie (Wiesbaden 16. Februar 2019 - 19. Februar 2019 )D. Huang, C. Weißenfels, P. Wriggers.:A machine learning based plasticity model for FE application. XV International Conference on Computational Plasticity. (Barcelona 3. September 2019 - 5. September 2019 ) D. Huang, C. Weißenfels, P. Wriggers.:Combining of machine learning algorithm with OTM for metal cutting simulation. 90th GAMM Annual Meeting (Vienna 18. Februar 2019 - 22. Februar 2019 ) D. Huang, C. Weißenfels, P. Wriggers.:Modelling of ductile fracture in chip formation using OTM method. VI International Conference on Computational Modeling of Fracture and Failure of Materials and Structures (CFRAC) (Braunschweig 12. Juni 2019 - 14. Juni 2019 ) Huang D. , Weißenfels C. , Wriggers P. :Modelling of serrated chip formation processes using the stabilized optimal transportation meshfree method International Journal of Mechanical Sciences 155 2019 ), S. 323-333 ISSN: 0020-7403 10.1016/j.ijmecsci.2019.03.005 Leyendecker S. :Geometric numerical integration in simulation and optimal control International Congress on Industrial and Applied Mathematics (ICIAM) (Valencia 15. Juli 2019 - 19. Juli 2019 )Leyendecker S. :Mixed order and multirate variational integrators for the simulation of dynamics on different time scales Invited lecture, Instituto de Ciencias Matemáticas (Madrid 22. Oktober 2019 )Leyendecker S. :Mixed order and multirate variational integrators for the simulation of dynamics on different time scales Invited lecture, Isaac Newton Institute for Mathematical Sciences (Cambridge 16. September 2019 )Leyendecker S. :Musculoskeletal digital human models in assembly planning Invited lecture, Challenge Workshop - Mathematical Modelling of Biomedical Problems (Erlangen 12. Dezember 2019 - 13. Dezember 2019 )Nayak A. , Sato Martin de Almagro R. , Colombo LJ. , Martín de Diego D. :Optimal Trajectory Tracking of Nonholonomic Mechanical Systems: a geometric approach 2019 American Control Conference (ACC) (Philadelphia Marriott Downtown, Philadelphia, PA, USA 10. Juli 2019 - 12. Juli 2019 )Penner J. , Leyendecker S. :A Hill Muscle Actuated Arm Model with Dynamic Muscle Paths ECCOMAS Thematic Conference on Mutlibody Dynamics (Duisburg In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2019 10.1007/978-3-030-23132-3_7 Penner J. , Leyendecker S. :Biomechanical simulations with dynamic muscle paths on NURBS surfaces GAMM Annual Meeting (Vienna 18. Februar 2019 - 22. Februar 2019 )In: Proc. Appl. Math. Mech (PAMM) 2019 10.1002/pamm.201900230 Phutane U. , Roller M. , Björkenstam S. , Leyendecker S. :Optimal control simulations of two-finger precision grasps ECCOMAS Thematic Conference on Mutlibody Dynamics (Duisburg 15. Juli 2019 - 18. Juli 2019 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2019 10.1007/978-3-030-23132-3_8 Phutane U. , Roller M. , Leyendecker S. :On grasp based objectives in human grasping simulation GAMM Annual Meeting (Vienna 18. Februar 2019 - 22. Februar 2019 )In: Proc. Appl. Math. Mech. (PAMM) 2019 10.1002/pamm.201900226 Pivovarov D. , Hahn V. , Steinmann P. , Willner K. , Leyendecker S. :Fuzzy dynamics of multibody systems with polymorphic uncertainty in the material microstructure Computational Mechanics 64 2019 ), S. 1601-1619 ISSN: 0178-7675 10.1007/s00466-019-01737-9 Pivovarov D. , Willner K. , Steinmann P. , Brumme S. , Müller M. , Srisupattarawanit T. , Ostermeyer GP. , Henning C. , Ricken T. , Kastian S. , Reese S. , Moser D. , Grasedyck L. , Biehler J. , Pfaller M. , Wall W. , Kohlsche T. , Estorff Ov. , Gruhlke R. , Eigel M. , Ehre M. , Papaioannou I. , Straub D. , Leyendecker S. :Challenges of order reduction techniques for problems involving polymorphic uncertainty GAMM-Mitteilungen 2019 ), Art.Nr.: e201900010 ISSN: 0936-7195 10.1002/gamm.201900011 Sato Martin de Almagro R. :Discrete Mechanics for Forced and Constrained Systems 2019 )https://www.ltd.tf.fau.de/files/2020/04/Tesis_Rodrigo_Sato.pdf Scheiterer E. :Simulation of a prosthetic foot modelled by a predeformed geometrically exact beam 2019 )Scheiterer E. , Leyendecker S. :Modelling a prosthetic foot as a predeformed geometrically exact beam conference, SPP1886 Annual Meeting (Hamburg 26. Oktober 2019 - 27. Oktober 2019 )Stavole M. , Oliveira DV. , Imbimbo M. , Nitiffi R. , Silva RA. :Numerical seismic analysis of CEB structures Congress on Numerical Methods in Engineering (University of Minho, Guimarães. 1. Juli 2019 - 3. Juli 2019 )2018 Bentaleb T. , Garulli A. :Model-Based Control Techniques for Turbomachinery LAP LAMBERT Academic Publishing 2018 ISBN: 978-620-2-06213-8 Bentaleb T. , Pham MT. , Eberard D. , Marquis-Favre W. :Bond graph modeling and analysis of intermediary cooling system of a nuclear power plants 19th International Conference on Industrial Technology (ICIT2018) (Lyon 20. Februar 2018 - 22. Februar 2018 )10.1109/icit.2018.8352158 Björkenstam S. , Carlson JS. , Linn J. , Leyendecker S. , Lennartson B. :Inverse Dynamics for Discrete Geometric Mechanics of Multibody Systems with Application to Direct Optimal Control Journal of Computational and Nonlinear Dynamics 2018 )ISSN: 1555-1423 10.1115/1.4040780 Budday D. , Fonseca R. , Héliou A. , Leyendecker S. , van den Bedem H. :Functional insights from kino-geometric modeling of macromolecules 9 Workshop junger Nachwuchwissenschafler in der Mechanik (Zell am See, Austria 18. Februar 2018 - 22. Februar 2018 )Budday D. , Leyendecker S. , van den Bedem H. :Bridging protein rigidity theory and normal modes using kino-geometric analysis GAMM Annual Meeting (Munich 19. März 2018 - 23. März 2018 )In: Proc. Appl. Math. Mech. (PAMM) 2018 10.1002/pamm.201800251 Budday D. , Leyendecker S. , van den Bedem H. :Bridging protein rigidity theory and normal modes using kino-geometric analysis with hierarchical constraint relaxation GAMM Annual Meeting (Munich 19. März 2018 - 23. März 2018 )In: Proc. Appl. Math. Mech. (PAMM) 2018 10.1002/pamm.201800251 Budday D. , Leyendecker S. , van den Bedem H. :Kinematic Flexibility Analysis: Hydrogen Bonding Patterns Impart a Spatial Hierarchy of Protein Motion Journal of Chemical Information and Modeling 58 2018 ), S. 2108-2122 ISSN: 1549-9596 10.1021/acs.jcim.8b00267 https://pubs.acs.org/doi/abs/10.1021/acs.jcim.8b00267?journalCode=jcisd8 Duong MT. , Ach T. , Alkassar M. , Dittrich S. , Leyendecker S. :Numerical simulation of cardiac muscles in a rat biventricular model 6th European Conference on Computational Mechanics (ECCM 6) and 7th European Conference on Computational Fluid Dynamics (ECFD 7) (Glasgow 11. Juni 2018 - 15. Juni 2018 )Duong MT. , Holz D. , Ach T. , Binnewitt SV. , Stegmann H. , Dittrich S. , Alkassar M. , Leyendecker S. :Simulation of cardiac electromechanics of a rat left ventricle GAMM Annual Meeting (Munich 19. März 2018 - 23. März 2018 )In: Proc. Appl. Math. Mech. (PAMM) 2018 10.1002/pamm.201800326 Eisentraudt M. , Leyendecker S. :Fuzzy uncertainty in forward dynamics simulation using variational integrators GAMM Annual Meeting (Munich 19. März 2018 - 23. März 2018 )In: Proc. Appl. Math. Mech. (PAMM) 2018 10.1002/pamm.201800315 Fonseca R. , Budday D. , van den Bedem H. :Collision-free poisson motion planning in ultra high-dimensional molecular conformation spaces Journal of Computational Chemistry 2018 )ISSN: 0192-8651 10.1002/jcc.25138 Glaas D. , Leyendecker S. :Variational integrator based optimal feedback control for constrained mechanical systems ZAMM - Zeitschrift für angewandte Mathematik und Mechanik 2018 )ISSN: 0044-2267 10.1002/zamm.201700221 Holz D. , Duong MT. , Alkassar M. , Dittrich S. , Leyendecker S. :Computational model of a rat left ventricle 8th Summer School on Biomechanics, from Protein to Tissue to Organ: Modeling and Computation (Graz 3. September 2018 - 7. September 2018 )D. Huang, C. Weißenfels, P. Wriggers.:Modelling and simulation of metal cutting processes by use of the OTM method. 89th GAMM Annual Meeting (Munich 19. März 2018 - 23. März 2018 ) D. Huang, C. Weißenfels, P. Wriggers.:Modelling of metal cutting processes using stabilized OTM method. 6th European Conference on Computational Mechanics (ECCM) (Glasgow 11. Juni 2018 - 15. Juni 2018 ) Kosmas O. , Leyendecker S. :Variational integrators for orbital problems using frequency estimation Advances in Computational Mathematics 2018 ), S. 1-21 ISSN: 1019-7168 10.1007/s10444-018-9603-y Leitz T. , Leyendecker S. :Galerkin Lie-group variational integrators based on unit quaternion interpolation Computer Methods in Applied Mechanics and Engineering 338 2018 ), S. 333-361 ISSN: 0045-7825 10.1016/j.cma.2018.04.022 Leyendecker S. :Ein dynamisches Manikin mit faserbasierter Modellierung der Skelettmuskulatur Biomechanik Workshop (Arbeitstreffen Verbundprojekt DYMARA) (Erlangen 5. September 2018 - 6. September 2018 )Leyendecker S. :Optimal control of human motion - biological and artificial muscles Symposium EMMA-CC. Digitale Menschmodellierung fur ergonomische Arbeitsplatze (Kaiserslautern 12. April 2018 )Martonová D. :Modellierung von Wachstumsprozessen unter dem Einfluss von elastischen Spannungen mit hyperelastischen Energiedichten 2018 )Penner J. , Leyendecker S. :Multi-Obstacle Muscle Wrapping Based on a Discrete Variational Principle Progress in Industrial Mathematics at ECMI 2018 In: Progress in Industrial Mathematics at ECMI 2018 2018 10.1007/978-3-030-27550-1_28 Penner J. , Leyendecker S. :Optimization based muscle wrapping in biomechanical multibody simulations GAMM Annual Meeting (Munich 19. März 2018 - 23. März 2018 )In: Proc. Appl. Math. Mech (PAMM) 2018 10.1002/pamm.201800311 Phutane U. , Roller M. , Leyendecker S. :Optimal control simulations of tip pinch and lateral pinch grasping European Consortium for Mathematics in Industry (ECMI) Conference (Budapest 18. Juni 2018 - 22. Juni 2018 )In: Mathematics in Industry 2018 Phutane U. , Roller M. , Leyendecker S. :Optimal control simulations of two finger grasping GAMM Annual Meeting (Munich 19. März 2018 - 23. März 2018 )In: Proc. Appl. Math. Mech (PAMM) 2018 10.1002/pamm.201800358 Schlögl T. :Modelling, simulation and optimal control of dielectric elastomer actuated systems 2018 )https://nbn-resolving.org/urn:nbn:de:bvb:29-opus4-94675 Stavole M. :Dynamic seismic analysis of CEB structures 2018 )Wenger T. , Ober-Blöbaum S. , Leyendecker S. :Numerical properties of mixed order variational integrators applied to dynamical multirate systems Conference on the Numerical Solution of Differential and Differential-Algebraic Equations (NUMDIFF-15) (Halle 3. September 2018 - 7. September 2018 )Werner A. , Henze B. , Keppler M. , Loeffl F. , Leyendecker S. , Ott C. :Structure preserving Multi-Contact Balance Control for Series-Elastic and Visco-Elastic Humanoid Robots 25th IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) (Madrid 1. Oktober 2018 - 5. Oktober 2018 )In: 2018 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS (IROS) 2018 10.1109/IROS.2018.8593596 2017 Björkenstam S. , Nyström J. , Carlson JS. , Roller M. , Linn J. , Hanson L. , Högberg D. , Leyendecker S. :A framework for motion planning of digital humans using discrete mechanics and optimal control 5th International Digital Human Modeling Symposium (Bonn 26. Juni 2017 - 28. Juni 2017 )In: Proceedings of the 5th International Digital Human Modeling Symposium 2017 Budday D. , Fonseca R. , Héliou A. , Leyendecker S. , van den Bedem H. :Revealing molecular mechanisms with kino-geometric modeling macromolecules Presentation, Kortemme Lab at UCSF (San Francisco, California Budday D. , Fonseca R. , Leyendecker S. , van den Bedem H. :Frustration-guided motion planning reveals conformational transitions in proteins Proteins-Structure Function and Bioinformatics 85 2017 ), S. 1795-1807 ISSN: 0887-3585 10.1002/prot.25333 Duong MT. , Wenger T. , Herrnböck L. , Ach T. , Holz D. , Kreipp A. , Binnewitt SV. , Stegmann H. , Dittrich S. , Alkassar M. , Leyendecker S. :Modelling cardiac mechanics and electrophysiology of a rat left ventricle: A case study. International Conference on Biomedical Technology (Hannover 6. November 2017 - 8. November 2017 )Gail T. , Ober-Blöbaum S. , Leyendecker S. :Variational multirate integration in discrete mechanics and optimal control ECCOMAS Thematic Conference on Multibody Dynamics (Prague 19. Juni 2017 - 22. Juni 2017 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2017 Glaas D. , Leyendecker S. :Variational integrator for constrained mechanical systems with pulsed disturbances and optimal feedback control GAMM Annual Meeting (Weimar 6. März 2017 - 10. März 2017 )In: Proc. Appl. Math. Mech (PAMM) 2017 10.1002/pamm.201710044 Holz D. :Computing fibre orientation for a finite element model of a rat heart 2017 )Zhang L., Huang D., Zhou W., Fan C, Ji S., Zhao J.:Corrective polishing of freeform optical surfaces in an off-axis three-mirror imaging system International Journal of Advanced Manufacturing Technology 88 2017 ), S. 2861-2869 ISSN: 0268-3768 10.1007/s00170-016-8995-4 D. Huang, C. Weißenfels, P. Wriggers.:Numerical simulation of contact using OTM method. 88th GAMM Annual Meeting (Ilmenau@Weimar 6. März 2017 - 10. März 2017 ) D. Huang, C. Weißenfels, P. Wriggers.:Simulation of ductile damage and fracture at finite strain by OTM method. XIV International Conference on Computational Plasticity. (Barcelona 5. September 2017 - 7. September 2017 ) Huang D., Zhang L., Ji S., Zhao J.:Tool path generation for ultra-precision polishing of freeform optical surfaces in an off-axis three-mirror imaging system Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 231 2017 ), S. 814-824 ISSN: 0954-4054 10.1177/0954405415599916 Héliou A. , Budday D. , Fonseca R. , van den Bedem H. :Fast, clash-free RNA conformational morphing using molecular junctions Bioinformatics 2017 )ISSN: 1367-4803 10.1093/bioinformatics/btx127 Koch M. , Ringkamp M. , Leyendecker S. :Discrete Mechanics and Optimal Control of Walking Gaits Journal of Computational and Nonlinear Dynamics 12 2017 )ISSN: 1555-1423 10.1115/1.4035213 Lang H. , Leyendecker S. :A generalised Fourier method to solve the initial boundary value problem for free vibrating viscoelastic beam models ECCOMAS Thematic Conference on Mutlibody Dynamics (Prague 19. Juni 2017 - 22. Juni 2017 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2017 Leitz T. , Leyendecker S. :On unit-quaternion based Galerkin Lie group variational integrators Foundations of Computational Mathematics (FoCM) (Barcelona 10. Juli 2017 - 12. Juli 2017 )Leyendecker S. :Optimal control of human motion biological and artificial muscles Workshop Computermodellierung von Wirbelsäule und Muskulatur (Koblenz 28. März 2017 )Leyendecker S. , Schlögl T. , Wenger T. :Strukturerhaltende Simulation und Optimalsteuerung gekoppelter Systeme 2017 ), S. 10-16 Penner J. , Schlögl T. , Leyendecker S. :Optimal control of a slot car racer The 7th GACM Colloquium on Computational Mechanics (Stuttgart 11. Oktober 2017 - 13. Oktober 2017 )In: Proceedings of the 7th GACM 2017 Penner J. , Schlögl T. , Leyendecker S. :Optimal control of a slot car racer GAMM Annual Meeting (Weimar 6. März 2017 - 10. März 2017 )In: Proc. Appl. Math. Mech (PAMM) 2017 10.1002/pamm.201710238 Phutane U. , Roller M. , Björkenstam S. , Leyendecker S. :Investigating human thumb models via their range of motion volumes GAMM Annual Meeting (Weimar 6. März 2017 - 10. März 2017 )In: Proc. Appl. Math. Mech (PAMM) 2017 10.1002/pamm.201710077 Phutane U. , Roller M. , Björkenstam S. , Linn J. , Leyendecker S. :Kinematic validation of a human thumb model ECCOMAS Thematic Conference on Multibody Dynamics (Prague 19. Juni 2017 - 22. Juni 2017 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2017 Roller M. , Björkenstam S. , Linn J. , Leyendecker S. :Optimal control of a biomechanical multibody model for the dynamic simulation of working tasks ECCOMAS Thematic Conference on Multibody Dynamics (Prague 19. Juni 2017 - 22. Juni 2017 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2017 Schlögl T. , Leyendecker S. :A polarisation based approach to model strain dependent electrostatic pressure of dielectric elastomer actuators GAMM Annual Meeting In: Proc. Appl. Math. Mech. (PAMM) 2017 10.1002/pamm.201710248 Schlögl T. , Leyendecker S. :A polarisation based approach to model the strain dependent permittivity of dielectric elastomers Sensors and Actuators A-Physical 267 2017 ), S. 156 - 163 ISSN: 0924-4247 10.1016/j.sna.2017.09.048 Wenger T. , Ober-Blöbaum S. , Leyendecker S. :Construction and analysis of higher order variational integrators for dynamical systems with holonomic constraints Advances in Computational Mathematics 43 2017 ), S. 1163-1195 ISSN: 1019-7168 10.1007/s10444-017-9520-5 Wenger T. , Ober-Blöbaum S. , Leyendecker S. :Higher order variational integrators for multirate and holonomically constrained systems International Conference on Scientific Computation and Differential Equations (SciCADE) (Bath 11. September 2017 - 15. September 2017 )Wenger T. , Ober-Blöbaum S. , Leyendecker S. :Variational integrators of mixed order for constrained and unconstrained systems acting on multiple time scales GAMM Annual Meeting (Weimar 6. März 2017 - 10. März 2017 )In: Proc. Appl. Math. Mech (PAMM) 2017 10.1002/pamm.201710057 2016 Budday D. , Fonseca R. , Héliou A. , Leyendecker S. , van den Bedem H. :Navigating protein conformation spaces by kino-geometric sampling and modulating frustrated motions Annual Meeting of the German Biophysical Society (Erlangen 25. September 2016 - 28. September 2016 )Budday D. , Fonseca R. , Leyendecker S. , van den Bedem H. :Clash- and constraint guided motion planning reveals conformational transition pathways in proteins Poster (Santa Monica, California Budday D. , Fonseca R. , Leyendecker S. , van den Bedem H. :Frustration-guided motion planning reveals conformational transitions in proteins 3DSIG (Orlando, Florida 17. April 2016 - 21. April 2016 )Budday D. , Fonseca R. , Leyendecker S. , van den Bedem H. :Frustration-guided motion planning reveals conformational transitions in proteins Conference presentation (Durham, North Carolina Gail T. , Leyendecker S. , Ober-Blöbaum S. :Variational multirate integration in multibody dynamics GAMM Annual Meeting (Braunschweig 7. März 2016 - 11. März 2016 )In: Proc. Appl. Math. Mech (PAMM) 2016 10.1002/pamm.201610015 Glaas D. , Leyendecker S. :Optimal feedback control for constrained mechanical systems GAMM Annual Meeting (Braunschweig 7. März 2016 - 11. März 2016 )In: Proc. Appl. Math. Mech. (PAMM) 2016 10.1002/pamm.201610016 Hoffmann R. , Taetz B. , Miezal M. , Bleser G. , Leyendecker S. :On data-guided optimal control simulation of human motion GAMM Annual Meeting (Braunschweig 7. März 2016 - 11. März 2016 )In: Proc. Appl. Math. Mech. (PAMM) 2016 10.1002/pamm.201610016 Koch M. :Structure preserving simulation of non-smooth dynamics and optimal control 2016 )Koch M. , Leyendecker S. :Structure preserving optimal control of a three-dimensional upright gait In: Multibody Dynamics Springer International Publishing 2016 , S. 115-146 (Computational Methods in Applied Sciences)ISBN: 978-3-319-30612-4 10.1007/978-3-319-30614-8_6 Kosmas O. , Leyendecker S. :Analysis of higher order phase fitted variational integrators Advances in Computational Mathematics 42 2016 ), S. 605-619 ISSN: 1019-7168 10.1007/s10444-015-9436-x Lang H. , Leyendecker S. :Complex frequency response for linear beams with Kelvin-Voigt viscoelastic material 4th Joint International Conference on Multibody System Dynamics (Montreal 29. Mai 2016 - 2. Juni 2016 )In: Proceedings of the 4th Joint International Conference on Multibody System Dynamics 2016 Leitz T. , Leyendecker S. :Multisymplectic variational (Lie group) integrators for PDEs of geometrically exact beam dynamics using algorithmic differentiation GAMM Annual Meeting (Braunschweig 7. März 2016 - 11. März 2016 )In: Proc. Appl. Math. Mech (PAMM) 2016 10.1002/pamm.201610364 Leyendecker S. :Modelling and simulation of biological and artificial muscles International Inauguration Symposium (Muscle Research Center Erlangen (MURCE) 21. Juli 2016 - 22. Juli 2016 )Penner J. :Modellbildung und Optimalsteuerung einer spurgebundenen Modellrennbahn 2016 )Ringkamp M. , Ober-Blöbaum S. , Leyendecker S. :On the time transformation of mixed integer optimal control problems using a consistent fixed integer control function In: Mathematical Programming Springer Berlin Heidelberg 2016 , S. 1-31 10.1007/s10107-016-1023-5 Ringkamp M. , Ober-Blöbaum S. , Leyendecker S. :Time transformed mixed integer optimal control problems with impacts GAMM Annual Meeting (Braunschweig 7. März 2016 - 11. März 2016 )In: Proc. Appl. Math. Mech (PAMM) 2016 10.1002/pamm.201610383 Schlögl T. , Leyendecker S. :Comparison of non-locking incompressible multi-field finite element models for dielectric actuators EuroEAP (Helsingoer 14. Juni 2016 - 15. Juni 2016 )Schlögl T. , Leyendecker S. :Dynamic simulation of dielectric elastomer actuated multibody systems ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS) (Stowe 28. September 2016 - 30. September 2016 )In: Proceedings of the ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2016 Wenger T. , Ober-Blöbaum S. , Leyendecker S. :Constrained Galerkin variational integrators and modified constrained symplectic Runge-Kutta methods International Conference of Numerical Analysis and Applied Mathematics (ICNAAM) (Rhodes 19. September 2016 - 25. September 2016 )In: Proceedings of the International Conference of Numerical Analysis and Applied Mathematics (ICNAAM) 2016 Wenger T. , Ober-Blöbaum S. , Leyendecker S. :Variational integrators of higher order for constrained dynamical systems GAMM Annual Meeting (Braunschweig 7. März 2016 - 11. März 2016 )In: Proc. Appl. Math. Mech (PAMM) 2016 10.1002/pamm.201610376 Wenger T. , Ober-Blöbaum S. , Leyendecker S. :Variational integrators of mixed order for dynamical systems with multiple time scales and split potentials VII European Congress on Computational Methods in Applied Sciences and Engineering (Crete 5. Juni 2016 - 10. Juni 2016 )In: Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering 2016 2015 Budday D. , Leyendecker S. , van den Bedem H. :A geometric approach to characterize rigidity in proteins GAMM Annual Meeting (Lecce 23. März 2015 - 27. März 2015 )In: Proc. Appl. Math. Mech (PAMM) 2015 10.1002/pamm.201510035 Budday D. , Leyendecker S. , van den Bedem H. :A geometric approach to characterize rigidity of biomolecules EMI Conference, Stanford University (California 16. Juni 2015 - 19. Juni 2015 )Budday D. , Leyendecker S. , van den Bedem H. :Geometric analysis characterizes molecular rigidity in generic and non-generic protein configurations Journal of the Mechanics and Physics of Solids 83 2015 ), S. 36-47 ISSN: 0022-5096 10.1016/j.jmps.2015.06.006 Budday D. , Leyendecker S. , van den Bedem H. :Protein conformational analysis using kino-geometric constraints Demoures F. , Gay-Balmaz F. , Leyendecker S. , Ober-Blöbaum S. , Ratiu TS. , Weinard Y. :Discrete variational Lie group formulation of geometrically exact beam dynamics Numerische Mathematik 130 2015 ), S. 73-123 ISSN: 0029-599X 10.1007/s00211-014-0659-4 Esper JD. , Scherzer S. , Stary Z. , Pavlova E. :Phase structure, rheology and electrical conductivity of co-continuous polystyrene/polymethylmethacrylate blends filled with carbon black Composites Science and Technology 119 2015 ), S. 138-147 ISSN: 0266-3538 10.1016/j.compscitech.2015.10.003 Gail T. , Hoffmann R. , Miezal M. , Bleser G. , Leyendecker S. :Towards bridging the gap between motion capturing and biomechanical optimal control simulations ECCOMAS Thematic Conference on Multibody Dynamics (Barcelona 29. Juni 2015 - 2. Juli 2015 )In: Proceedings of the ECCOMAS Thematic Conference on Multibody Dynamics 2015 Gail T. , Leyendecker S. , Ober-Blöbaum S. :A numerical convergence study for constrained variational multirate integration 3rd ECCOMAS Young Investigators Conference (Aachen 20. Juli 2015 - 23. Juli 2015 )Huang D. :Investigation on Polishing Process for Freeform Optical Surfaces in an Off-axis Three Mirror System 2015 )Koch M. , Leyendecker S. :Structure preserving optimal control of a 3d-dimensional upright gait ECCOMAS Thematic Conference on Multibody Dynamics (Barcelona 29. Juni 2015 - 2. Juli 2015 )In: Proceedings of the ECCOMAS Thematic Conference on Multibody Dynamics 2015 Lang H. , Leyendecker S. , Laube H. :Various multibody dynamic models for the description of plane Kirchhoff rods ECCOMAS Thematic Conference on Multibody Dynamics (Barcelona 29. Juni 2015 - 2. Juli 2015 )In: Proceedings of the ECCOMAS Thematic Conference on Multibody Dynamics 2015 Leyendecker S. :A discrete variational approach to hybrid dynamical systems and optimal control Invited lecture, Department of Aerospace and Mechanical Engineering, University of Southern California (Los Angeles, California 12. März 2015 )Leyendecker S. :A discrete variational approach to hybrid dynamical systems and optimal control Invited lecture, Institut für Robotik, Johannes Kepler Universität Linz (Linz 11. Februar 2015 )Leyendecker S. :A discrete variational approach to hybrid dynamical systems and optimal control Invited lecture, Mechanics and Computation, Stanford University (Palo Alto, California 19. März 2015 )Leyendecker S. :On the simulation and control of micro- and macroscopic motion in (electro-)mechanical systems 7th EAM Symposium - Engineering of Advanced Materials (Bad Staffelstein 23. November 2015 - 25. November 2015 )Leyendecker S. , Koch M. , Ringkamp M. , Ober-Blöbaum S. :Structure preserving simulation of hybrid dynamical systems and optimal control 3rd German-Japanese Workshop on Computational Mechanics (Munich 30. März 2015 - 31. März 2015 )Penner J. :Charakterisierung von Reibmodellen zur Simulation eines inversen Pendels. 2015 )Phutane U. :On the comparison of different muscle model dynamics using variational integrators 2015 )Ringkamp M. , Ober-Blöbaum S. , Leyendecker S. :Relaxing mixed integer optimal control problems using a time transformation ECCOMAS (Barcelona 29. Juni 2015 - 2. Juli 2015 )Ringkamp M. , Ober-Blöbaum S. , Leyendecker S. :Relaxing mixed integer optimal control problems using a time transformation GAMM Annual Meeting (Lecce 23. März 2015 - 27. März 2015 )In: Proc. Appl. Math. Mech (PAMM) 2015 10.1002/pamm.201510008 Schlögl T. , Leyendecker S. :Electrostatic-viscoelastic finite element model of dielectric actuators Computer Methods in Applied Mechanics and Engineering 299 2015 ), S. 421-439 ISSN: 0045-7825 10.1016/j.cma.2015.10.017 http://www.sciencedirect.com/science/article/pii/S0045782515003461 Schlögl T. , Leyendecker S. :Modelling and simulation of dielectric elastomer actuated multibody systems EuroEAP (Tallinn 9. Juni 2015 - 10. Juni 2015 )Schlögl T. , Leyendecker S. :On electrostatic-viscoelastic simulation of dielectric actuators GAMM Annual Meeting (Lecce 23. Mai 2015 - 27. Mai 2015 )In: Proc. Appl. Math. Mech. (PAMM) 2015 10.1002/pamm.201510201 2014 Budday D. , Leyendecker S. , van den Bedem H. :Characterizing rigidity in biomolecules with geometric tools BaMBA 9 (California 22. November 2014 - 22. November 2014 )Gail T. , Leyendecker S. , Ober-Blöbaum S. :Limitations of computing time savings in variational multirate schemes GAMM Annual Meeting (Erlangen 10. März 2014 - 14. März 2014 )In: Proc. Appl. Math. Mech (PAMM) 2014 10.1002/pamm.201410015 Gail T. , Leyendecker S. , Ober-Blöbaum S. :On the role of quadrature rules and system dimensions in variational multirate integrators 3rd Joint International Conference on Multibody System Dynamics IMSD (Busan 30. Juni 2014 - 3. Juli 2014 )In: Proceedings of the 3rd Joint International Conference on Multibody System Dynamics IMSD 2014 Johnson G. , Leyendecker S. , Ortiz M. :Discontinuous variational time integrators for complex multibody collisions International Journal for Numerical Methods in Engineering 100 2014 ), S. 871-913 ISSN: 0029-5981 10.1002/nme.4764 Koch M. , Leyendecker S. :A structure preserving approach to the simulation of non-smooth dynamics GAMM Annual Meeting (Erlangen 10. März 2014 - 14. März 2014 )In: Proc. Appl. Math. Mech. (PAMM) 2014 10.1002/pamm.201410024 Kosmas O. , Leyendecker S. :Family of higher order exponential integrators for split potential systems International Conference on Mathematical Modeling in Physical Sciences (Madrid 28. August 2014 - 31. August 2014 )Kosmas O. , Leyendecker S. :Stability analysis of high order phase fitted variational integrators Proceedings of WCCM XI - ECCM V - ECFD VI (Spain 20. Juli 2014 - 25. Juli 2014 )In: Proceedings of WCCM XI - ECCM V - ECFD VI 2014 Lang H. , Linn J. , Leyendecker S. :Complex modal analysis for linear beams with Kelvin-Voigt material GAMM Annual Meeting (Erlangen 10. März 2014 - 14. März 2014 )In: Proc. Appl. Math. Mech (PAMM) 2014 Leitz T. , Leyendecker S. :Simulating underactuated multibody dynamics using servo constraints and variational integrators GAMM Annual Meeting (Erlangen 10. März 2014 - 14. März 2014 )In: Proc. Appl. Math. Mech. (PAMM) 2014 10.1002/pamm.201410018 Leitz T. , Leyendecker S. , Ober-Blöbaum S. :Variational integrators for dynamical systems with rotational degrees of freedom WCCM XI – ECCM V – ECFD VI (Barcelona 20. Juli 2014 - 25. Juli 2014 )In: Proceedings of WCCM XI – ECCM V – ECFD VI 2014 Leitz T. , Ober-Blöbaum S. , Leyendecker S. :Variational Lie group formulation of geometrically exact beam dynamics: synchronous and asynchronous integration In: Computational Methods in Applied Sciences Berlin Springer 2014 , S. 175-203 10.1007/978-3-319-07260-9_8 Leyendecker S. :A discrete variational approach to hybrid dynamical systems and optimal control Invited lecture, IWR Research Group Optimization in Robotics and Biomechanics, Ruprecht-Karls-Universität Heidelberg. (Heidelberg 16. August 2014 )Leyendecker S. , Koch M. , Ringkamp M. , Ober-Blöbaum S. :A discrete variational approach to non-smooth dynamics and optimal control WCCM XI - ECCM V - ECFD VI (Barcelona 20. Juni 2014 - 25. Juni 2014 )In: Proceedings of WCCM XI - ECCM V - ECFD VI 2014 Leyendecker S. , Koch M. , Ringkamp M. , Ober-Blöbaum S. :Structure preserving integration of hybrid dynamical systems and optimal control Foundations of Computational Mathematics (Montevideo 11. Dezember 2014 - 20. Dezember 2014 )Maas R. :Biomechanics and optimal control simulations of the human upper extremity 2014 )Penner J. :FE-Simulation geschichteter Strukturen unter Berücksichtigung des Kontaktverhaltens. 2014 )Ringkamp M. , Dellnitz M. :Hierarchical Multiobjective Optimization In: Develop Intelligent Technical Systems of the Future Berlin Heidelberg Springer 2014 , S. 183-350 (Lecture Notes in Mechanical Engineering)ISBN: 978-3-642-45435-6 10.1007/978-3-642-45435-6_5 Ringkamp M. , Ober-Blöbaum S. , Leyendecker S. :Discrete mechanics and mixed integer optimal control of dynamical systems GAMM Annual Meeting (Erlangen 10. März 2014 - 14. März 2014 )In: Proc. Appl. Math. Mech (PAMM) 2014 10.1002/pamm.201410440 Schlögl T. , Leyendecker S. :Electrostatic-elastodynamic finite element modelling of stacked dielectric actuators EuroEAP (Linköping 10. Juni 2014 - 11. Juni 2014 )Schlögl T. , Leyendecker S. :Variational formulation and finite element modelling of electrostatic-elastodynamic coupling GAMM Annual Meeting (Erlangen 10. März 2014 - 14. März 2014 )In: Proc. Appl. Math. Mech. (PAMM) 2014 10.1002/pamm.201410228 Schlögl T. , Leyendecker S. , Reitelshöfer S. , Landgraf M. , Yoo IS. , Franke J. :On modelling and simulation of dielectric elastomer actuators via electrostatic-elastodynamic coupling 3rd Joint International Conference on Multibody System Dynamics (IMSD) (Busan 30. Juni 2014 - 3. Juli 2014 )In: Proceedings of the IMSD 2014 Schulze M. , Dietz S. , Burgermeister B. , Tuganov A. , Lang H. , Linn J. , Arnold M. :Integration of nonlinear models of flexible body deformation in multibody system dynamics Journal of Computational and Nonlinear Dynamics 9 2014 )ISSN: 1555-1423 10.1115/1.4025279 2013 Demoures F. , Gay-Balmaz F. , Leitz T. , Leyendecker S. , Ober-Blöbaum S. , Ratiu TS. :Asynchronous variational Lie group integration for geometrically exact beam dynamics GAMM Annual Meeting (Novi Sad 18. März 2013 - 22. März 2013 )In: Proc. Appl. Math. Mech (PAMM) 2013 10.1002/pamm.201310018 Demoures F. , Gay-Balmaz F. , Leitz T. , Leyendecker S. , Ober-Blöbaum S. , Ratiu TS. :Asynchronous variational Lie group integration for geometrically exact beam dynamics ECCOMAS Thematic Conference on Mutlibody Dynamics (Zagreb 1. Juli 2013 - 4. Juli 2013 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2013 Gail T. , Leyendecker S. , Ober-Blöbaum S. :Computing time investigations for variational multirate schemes GAMM Annual Meeting (Novi Sad 18. März 2013 - 22. März 2013 )In: Proc. Appl. Math. Mech (PAMM) 2013 10.1002/pamm.201310017 Gail T. , Leyendecker S. , Ober-Blöbaum S. :Computing time investigations of variational multi rate integrators ECCOMAS Thematic Conference on Mutlibody Dynamics (Zagreb In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2013 10.1002/pamm.201310017 Koch M. , Leyendecker S. :Energy momentum consistent force formulation for the optimal control of multibody systems Multibody System Dynamics 29 2013 ), S. 381-401 ISSN: 1384-5640 10.1007/s11044-012-9332-9 Koch M. , Leyendecker S. :Optimal control of monopedal jumping movements GAMM Annual Meeting (Novi Sad 18. März 2013 - 22. März 2013 )In: Proc. Appl. Math. Mech (PAMM) 2013 10.1002/pamm.201310267 Koch M. , Leyendecker S. :Optimal control of monopedal jumping movements ECCOMAS Thematic Conference on Mutlibody Dynamics (Zagreb 1. Juli 2013 - 4. Juli 2013 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2013 Koch M. , Leyendecker S. :Optimal control of standing jump movements ECCOMAS Thematic Conference on Mutlibody Dynamics (Zagreb 1. Juli 2013 - 4. Juli 2013 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2013 Koch M. , Leyendecker S. :Structure preserving simulation of monopedal jumping Archive of Mechanical Engineering LX 2013 ), S. 127-146 ISSN: 0004-0738 10.2478/meceng-2013-0008 Koch M. , Leyendecker S. :Structure preserving simulation of non-smooth dynamics and optimal control Bayerisch Tirolerisches Mechanik Kolloquium (Erlangen 23. November 2013 - 23. November 2013 )Kosmas O. , Leyendecker S. :On frequency estimations in phase fitted variational integrators GAMM Annual Meeting (Novi Sad 18. März 2013 - 22. März 2013 )In: Proc. Appl. Math. Mech (PAMM) 2013 10.1002/pamm.201310012 Lang H. , Leyendecker S. , Linn J. :Numerical experiments for viscoelastic Cosserat rods with Kelvin-Voigt damping ECCOMAS Thematic Conference on Mutlibody Dynamics (Zagreb 1. Juli 2013 - 4. Juli 2013 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2013 Leyendecker S. :A discrete variational approach to optimal control problems in multibody dynamics Invited lecture (Eleonore-Trefftz-Vorlesung, TU Dresden, Dresden 18. Dezember 2013 )Leyendecker S. :BIOSOL, Ohm-Krabbler und künstliche Muskeln Statusseminar Bionik in Bayern (Nürnberg 28. November 2013 )Leyendecker S. , Ober-Blöbaum S. :A Variational Approach to Multirate Integration for Constrained Systems In: Samin JC, Fisette P (Hrsg.): Multibody Dynamics Netherland Springer 2013 , S. 97 - 121 (Computational Methods and Applications, Bd.28)ISBN: 978-94-007-5403-4 10.1007/978-94-007-5404-1_5 Leyendecker S. , Ober-Blöbaum S. , Gail T. :Structure preserving integration of constrained multirate systems International Conference on Scientific Computation and Differential Equations (SciCADE) (Valladolid 16. September 2013 - 20. September 2013 )Leyendecker S. , Pekarek D. , Marsden JE. :Structure Preserving Optimal Control of Three-Dimensional Compass Gait In: Mombaur K, Berns K (Hrsg.): Modeling, Simulation and Optimization of Bipedal Walking Berlin Heidelberg Springer 2013 , S. 99-116 (Cognitive Systems Monographs, Bd.18) 10.1007/978-3-642-36368-9_8 Linn J. , Lang H. , Tuganov A. :Geometrically exact Cosserat rods with Kelvin-Voigt type viscous damping Mechanical Sciences 4 2013 ), S. 79-96 ISSN: 2191-9151 10.5194/ms-4-79-2013 Maas R. , Leyendecker S. :Biomechanical optimal control of human arm motion Proceedings of the Institution of Mechanical Engineers Part K-Journal of Multi-Body Dynamics 227 2013 ), S. 375-389 ISSN: 1464-4193 10.1177/1464419313488363 Maas R. , Leyendecker S. :Dynamics of muscle paths in biomechanical simulations GAMM Annual Meeting (Novi Sad 18. März 2013 - 22. März 2013 )In: Proc. Appl. Math. Mech (PAMM) 2013 10.1002/pamm.201310021 Maas R. , Leyendecker S. :Muscle paths in biomechanical multibody simulations ECCOMAS Thematic Conference on Mutlibody Dynamics (Zagreb 1. Juli 2013 - 4. Juli 2013 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2013 Reitelshöfer S. , Landgraf M. , Franke J. , Leyendecker S. :Qualification of dielectric elastomer actuators as artificial muscles for highly dynamical N-DOF robot kinematics 6th International Symposium on Adaptive Motion of Animals and Machines (AMAM) (Darmstadt 11. April 2013 - 14. April 2013 )In: Proceedings of the 6th International Symposium on Adaptive Motion of Animals and Machines 2013 Reitelshöfer S. , Landgraf M. , Schlögl T. , Franke J. , Leyendecker S. :Qualifying dielectric elastomer actuators for usage in complex and compliant robot kinematics EuroEAP (Dübendorf 25. Juni 2013 - 26. Juni 2013 )Reitelshöfer S. , Landgraf M. , Schlögl T. , Franke J. , Leyendecker S. :Qualifying dielectric elastomer actuators for usage in complex and compliant robot kinematics 3rd international conference on Electromechanically Active Polymer (EAP) transducers & artificial muscles (EuroEAP) (Dübendorf 25. Juni 2013 - 26. Juni 2013 )Ringkamp M. , Leyendecker S. , Ober-Blöbaum S. :Multiobjective optimal control of a four body kinematic chain GAMM Annual Meeting (Novi Sad 18. März 2013 - 22. März 2013 )In: Proc. Appl. Math. Mech (PAMM) 2013 10.1002/pamm.201310009 Ringkamp M. , Ober-Blöbaum S. , Leyendecker S. :A numerical approach to multiobjective optimal control of multibody dynamics ECCOMAS Thematic Conference on Mutlibody Dynamics (Zagreb 1. Juli 2013 - 4. Juli 2013 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2013 2012 Bauer F. , Seipel J. , Budday D. :Stability and robustness of a 3D SLIP model for walking using lateral leg placement control ASME (Chicago 12. August 2012 - 12. August 2012 )In: Proceedings of the ASME 2012 10.1115/DETC2012-71154 Gail T. :Computing time investigations for variational multirate schemes 2012 )Johnson G. , Ortiz M. , Leyendecker S. :A linear programming-based algorithm for the signed separation of (non-smooth) convex bodies Computer Methods in Applied Mechanics and Engineering 232-236 2012 ), S. 49-67 ISSN: 0045-7825 10.1016/j.cma.2012.04.006 Koch M. , Leyendecker S. :Structure preserving simulation of monopedal jumping GAMM Annual Meeting (Darmstadt 26. März 2012 - 30. März 2012 )In: Proc. Appl. Math. Mech (PAMM) 2012 10.1002/pamm.201210027 Koch M. , Leyendecker S. :Structure preserving simulation of monopedal jumping Second Joint International Conference on Multibody System Dynamics (Stuttgart 29. Mai 2012 - 1. Juni 2012 )In: Proceedings of the Second Joint International Conference on Multibody System Dynamics 2012 Kosmas O. , Leyendecker S. :Phase fitted variational integrators using interpolation techniques on non regular grids International Conference of Numerical Analysis and Applied Mathematics (Kos, Greece 19. September 2012 - 25. September 2012 )In: AIP Conference Proceedings 2012 10.1063/1.4756679 Kosmas O. , Leyendecker S. :Phase lag analysis of variational integrators using interpolation techniques GAMM Annual Meeting (Darmstadt 26. März 2012 - 30. März 2012 )In: Proc. Appl. Math. Mech. (PAMM) 2012 10.1002/pamm.201210327 Kosmas O. , Vlachos DS. :Local path fitting: a new approach to variational integrators Journal of Computational and Applied Mathematics 236 2012 ), S. 2632-2642 ISSN: 0377-0427 10.1016/j.cam.2011.12.021 Kosmas O. , Vlachos DS. :Simulated annealing for optimal ship routing Computers & Operations Research 39 2012 ), S. 576-581 ISSN: 0305-0548 10.1016/j.cor.2011.05.010 Lang H. :A discrete Cosserat rod model taking into account the effect of torsion warping suitable for the dynamic simulation of wind turbine rotor blades GAMM Annual Meeting (Darmstadt 26. März 2012 - 30. März 2012 )In: Proc. Appl. Math. Mech. (PAMM) 2012 Lang H. , Arnold M. :Numerical aspects in the dynamic simulation of geometrically exact rods Applied Numerical Mathematics 2012 )ISSN: 0168-9274 Lang H. , Linn J. :On the effect of the discretisation scheme on the eigenfrequencies and modes of shear flexible rods The Second Joint International Conference on Multibody System Dynamics IMSD (Stuttgart 29. Mai 2012 - 1. Juni 2012 )Leitz T. , Willner K. :Simulation of the elastohydrodynamic contact with a piezo-viscous fluid GAMM Annual Meeting (Darmstadt 26. März 2012 - 30. März 2012 )In: Proc. Appl. Math. Mech. (PAMM) 2012 Leyendecker S. :Variational collision integrators in forward dynamics and optimal control Invited lecture, Chair of Mechanics and Robotics, University of Duisburg-Essen (Duisburg 13. Juni 2012 )Leyendecker S. , Hartmann C. , Koch M. , Johnson G. , Ortiz M. :Variational collision integrators in forward dynamics and optimal control Invited plenary lecture, 7th International Conference of the Croatian Society of Mechanics, 7ICCSM2012 (Zadar 22. Mai 2012 - 25. Mai 2012 )In: Proceedings of the 7th International Conference of the Croatian Society of Mechanics 2012 Leyendecker S. , Johnson G. , Ortiz M. :Planned contacts and collision avoidance in optimal control problems 2nd Joint International Conference on Multibody System Dynamics (Stuttgart 29. Mai 2012 - 1. Juni 2012 )In: Proceedings of the 2nd Joint International Conference on Multibody System Dynamics 2012 Leyendecker S. , Johnson G. , Ortiz M. :Planned contacts and collision avoidance on optimal control problems GAMM Annual Meeting (Darmstadt 26. März 2012 - 30. März 2012 )In: Proc. Appl. Math. Mech (PAMM) 2012 10.1002/pamm.201210030 Leyendecker S. , Koch M. , Hartmann C. :Variational collision integrator for polymer chains Journal of Computational Physics 2012 )ISSN: 0021-9991 10.1016/j.jcp.2012.01.017 Linn J. , Lang H. , Tuganov A. :Geometrically exact Cosserat rods with Kelvin-Voigt type viscous damping The Second Joint International Conference on Multibody System Dynamics IMSD (Stuttgart 29. Mai 2012 - 1. Juni 2012 )Maas R. , Leyendecker S. :Optimal control of biomechanical motion using physiologically motivated cost functions 2nd Joint International Conference on Multibody System Dynamics (Stuttgart 29. Mai 2012 - 1. Juni 2012 )In: Proceedings of the 2nd Joint International Conference on Multibody System Dynamics 2012 Maas R. , Leyendecker S. :Optimal control simulations of human arm motion GAMM Annual Meeting (Darmstadt 26. März 2012 - 30. Juni 2012 )In: Proc. Appl. Math. Mech (PAMM) 2012 10.1002/pamm.201210041 Ober-Blöbaum S. , Leyendecker S. :Construction and analysis of variational multirate integrators Invited lecture, GAMM Annual Meeting (Darmstadt 26. März 2012 - 30. März 2012 )Papadopoulos DF. , Kosmas O. , Simos TE. :Deriving numerical techniques with zero phase-lag and derivatives for initial value problems of second order International Conference of Numerical Analysis and Applied Mathematics (Kos 19. September 2012 - 25. September 2012 )In: AIP Conference Proceedings, 2012 10.1063/1.4756421 Reitelshöfer S. , Landgraf M. , Franke J. , Leyendecker S. :Qualifizierung Dielektrischer-Elastomer-Aktoren zum Einsatz als künstliche Muskeln in hochdynamischen N-DOF Roboterkinematiken 6. Bremer Bionik Kongress (Bremen 26. Oktober 2012 - 27. Oktober 2012 )In: Antonia B. Kesel, Doris Zehren (Hrsg.): 6. Bremer Bionik Kongress - Tagungsbeiträge 2012 Ringkamp M. , Ober-Blöbaum S. , Dellnitz M. , Schütze O. :Handling high dimensional problems with multi-objective continuation methods via successive approximation of the tangent space Engineering Optimization 44 2012 ), S. 1117-1146 ISSN: 0305-215X 10.1080/0305215X.2011.634407 2011 Koch M. , Leyendecker S. :Optimal control of multibody dynamics with contact GAMM Annual Meeting (Graz 18. April 2011 - 21. April 2011 )In: Proc. Appl. Math. Mech (PAMM) 2011 10.1002/pamm.201110017 Koch M. , Leyendecker S. :Structure preserving simulation of compass gait and monopedal jumping ECCOMAS Thematic Conference on Mutlibody Dynamics (Brussels 4. Juli 2011 - 7. Juli 2011 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2011 Kosmas O. :Charged particle in an electromagnetic field using variational integrators, International Conference of Numerical Analysis and Applied Mathematics ICNAAM 2011 (Chalkidiki In: AIP Conference Proceedings 2011 10.1063/1.3636989 Lang H. , Linn J. , Arnold M. :Multibody dynamics simulation of geometrically exact Cosserat rods Multibody System Dynamics 25 2011 ), S. 285 - 312 ISSN: 1384-5640 Leitz T. :Ein numerisches Verfahren zur Berechnung des elastohydrodynamischen Kontakts rauer Oberflächen 2011 )Leyendecker S. :Optimisation and optimal control of multibody dynamics Invited lecture (Multibody System Dynamics, Robotics and Control Workshop, Linz 26. August 2011 - 27. August 2011 )Leyendecker S. :Simulationsmethoden für Optimalsteuerungsprobleme in der Mechanik Antrittsvorlesung, Department of Mechanical Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg (Erlangen 22. Juli 2011 )Leyendecker S. :Structure preserving simulation methods for constrained dynamical systems and their optimal control 2011 )Leyendecker S. :On optimal control simulations for mechanical systems 2011 )https://www.ltd.tf.fau.de/files/2020/06/habilitationsschrift_leyendecker.pdf Leyendecker S. , Koch M. , Maas R. :Optimisation and optimal control of multibody dynamics EUROMECH Colloquium 522 (Erlangen 10. August 2011 - 13. August 2011 )In: Recent Trends in Optimisation for Computational Solid Mechanics 2011 Leyendecker S. , Ober-Blöbaum S. :A variational approach to multirate integration for constrained systems ECCOMAS Thematic Conference on Mutlibody Dynamics (Brussels 4. Juli 2011 - 7. Juli 2011 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2011 Leyendecker S. , Ober-Blöbaum S. :A variational approach to multirate integration for constrained systems Applied Dynamics and Geometric Mechanics workshop (Oberwolfach 14. August 2011 - 20. August 2011 )Leyendecker S. , Ober-Blöbaum S. :Variational multirate integration of constrained dynamics GAMM Annual Meeting (Graz 18. April 2011 - 21. April 2011 )In: Proc. Appl. Math. Mech (PAMM) 2011 10.1002/pamm.201110018 Maas R. , Leyendecker S. , Siebert T. :Structure preserving optimal control of finger movements Proceedings of the EUROMECH Colloquium 511 on Biomechanics of Human Motion (Ponta Delgada, Azores 9. März 2012 - 12. März 2012 )In: Proceedings of the Euromech Colloquium 511 on Biomechanics of Human Motion, DVD, 16 pages 2011 Maas R. , Siebert T. , Leyendecker S. :On the relevance of structure preservation to simulations of muscle actuated movements Biomechanics and modeling in mechanobiology Volume 11 2011 ), S. 543-556 ISSN: 1617-7940 10.1007/s10237-011-0332-0 Maas R. , Siebert T. , Leyendecker S. :Structure preserving simulation of muscle actuated movements GAMM Annual Meeting (Graz 18. April 2011 - 21. April 2011 )In: Proc. Appl. Math. Mech (PAMM) 2011 10.1002/pamm.201110042 Ober-Blöbaum S. , Leyendecker S. :Variational integration of constrained dynamics on different time scales International Conference on Simulation Technology (Stuttgart 14. Juli 2011 - 17. Juli 2011 )2010 Hartmann C. , Leyendecker S. :Event-driven molecular dynamics and nonsmooth integration IV European Conference on Computational Mechanics Solids, , Structures and Coupled Problems in Engineering, ECCM (Paris 16. Mai 2010 - 21. Mai 2010 )Herrmanns O. , Stephan T. , Lang H. , Linn J. :Optimale Pfadplanung und interaktive Simulation flexibler Kabel und Schläuche 6. ATZproduktion Fachtagung - Zukunft Automobilmontage (Wolfsburg Jung P. , Leyendecker S. , Linn J. , Ortiz M. :A discrete mechanics approach to Cosserat rod theory - Part I: static equilibria International Journal for Numerical Methods in Engineering Vol. 85 2010 ), S. 31-60 ISSN: 0029-5981 10.1002/nme.2950 Kanso, E., Leyendecker S.:Optimal locomotion of a submerged Cosserat beam IV European Conference on Computational Mechanics Solids, , Structures and Coupled Problems in Engineering, ECCM (Paris 16. Mai 2010 - 21. Mai 2010 ) Koch M. , Leyendecker S. :Energy momentum consistent force formulation for the optimal control of multibody systems GAMM Annual Meeting (Karlsruhe In: Proc. Appl. Math. Mech. (PAMM) 2010 10.1002/pamm.201010014 Kosmas O. , Vlachos DS. :Phase-fitted discrete Lagrangian integrators Computer Physics Communications 181 2010 ), S. 562-568 ISSN: 0010-4655 10.1016/j.cpc.2009.11.005 Lang H. :Comparison of quaternionic and rotation-free null space formalisms for multibody dynamics 180 2010 )Leyendecker S. :Optimal control of multibody dynamics with uncertainties Jahrestagung der Deutschen Mathematiker-Vereinigung (DMV) (Munich 8. März 2010 - 11. März 2010 )Leyendecker S. :Structure preserving methods in computational multibody dynamics and optimal control Invited lecture, Control Systems Group, University of Kaiserslautern (Kaiserslautern 5. Februar 2010 )Leyendecker S. , Lucas LJ. , Owhadi H. , Ortiz M. :Certification with optimal control strategies GAMM Annual Meeting (Karlsruhe 22. März 2010 - 26. März 2010 )In: Proc. Appl. Math. Mech. (PAMM) 2010 10.1002/pamm.201010303 Leyendecker S. , Lucas LJ. , Owhadi H. , Ortiz M. :Optimal control strategies for robust certification Journal of Computational and Nonlinear Dynamics Volume 5 2010 ), S. 031008 ISSN: 1555-1423 10.1115/1.4001375 Leyendecker S. , Maas R. :Über diskrete Mechanik und Optimalsteuerung menschlicher Fingerbewegungen Bayerisch-Tirolerisches Mechanik-Kolloquium (Erlangen 26. Juni 2010 )Leyendecker S. , Ober-Blöbaum S. , Marsden JE. , Ortiz M. :Discrete mechanics and optimal control for constrained systems Optimal Control Applications & Methods 31 2010 ), S. 505-528 ISSN: 0143-2087 10.1002/oca.912 Maas R. , Leyendecker S. :Structure preserving optimal control simulation of index finger dynamics First Joint International Conference on Multibody System Dynamics (Lappeenranta 25. Mai 2010 - 27. Mai 2010 )In: Proceedings of the First Joint International Conference on Multibody System Dynamics 2010 Maas R. , Leyendecker S. :Structure preserving simulation of optimal index finger trajectories during grasping GAMM Annual Meeting (Karlsruhe 22. März 2010 - 26. März 2010 )In: Proc. Appl. Math. Mech. (PAMM) 2010 10.1002/pamm.201010034 Maas R. , Siebert T. , Leyendecker S. :Structure preserving simulation of human finger movements 3rd GAMM Seminar on Continuum Biomechanics (Freudenstadt-Lauterbad 24. November 2010 - 26. November 2010 )Ober-Blöbaum, S., Leyendecker, S.:A variational approach to multirate integration IV European Conference on Computational Mechanics Solids, Structures and Coupled Problems in Engineering, ECCM (Paris 16. Mai 2010 - 21. Mai 2010 ) Ober-Blöbaum S. , Leyendecker S. :A Variational Approach to Multirate Integration First International Workshop on Set Oriented Numerics (Mexico City 3. November 2010 )2009 Jung P. , Leyendecker S. , Linn J. , Ortiz M. :Discrete Lagrangian mechanics and geometrically exact Cosserat rods ECCOMAS Thematic Conference on Mutlibody Dynamics (Warsaw 28. Juni 2009 - 2. Juli 2009 )In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2009 Kanso E. , Leyendecker S. :Locomotion of a submerged Cosserat beam 7th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, ASME International Design Engineering Technical Conferences (San Diego, California 30. August 2009 - 2. September 2009 )In: Proceedings of the 7th International Conference on Multibody Systems, Nonlinear Dynamics and Control. 2009 10.1115/DETC2009-87198 Lang H. , Dreßler K. , Pinnau R. , Speckert M. :Comparison of the solutions of the elastic and elastoplastic boundary value problems Zeitschrift für Angewandte Mathematik und Physik 61 2009 ), S. 635 - 653 ISSN: 0044-2275 Lang H. , Dreßler K. , Pinnau R. , Speckert M. :Notes on Lipschitz estimates for the stop and play operator in plasticity Applied Mathematics Letters 22 2009 ), S. 623 - 627 ISSN: 0893-9659 Lang H. , Linn J. :A second order semi-discrete Cosserat rod model suitable for dynamic simulations in real time 7th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM) (Rethymno Lang H. , Linn J. :Lagrangian field theory in space and time for geometrically exact Cosserat rods 150 2009 )Lang H. , Linn J. :A multibody system type modelling approach to geometrically exact rods using geometric finite differences EMSC EuroMech (Lisbon Lang H. , Linn J. , Arnold M. :Multibody dynamics simulation of geometrically exact Cosserat rods ECCOMAS Thematic Conference on Multibody Dynamics (Warschau 29. Juni 2009 - 2. Juli 2009 )Leyendecker S. :Discrete mechanics in space-time integration and optimal control Invited lecture, Colloquium about applied Mathematics, University of Göttingen, (Göttingen 19. Mai 2009 )Leyendecker S. :Structure preserving methods in computational multibody dynamics and optimal control Invited lecture, Institute of Applied Mechanics, University of Erlangen-Nuremberg (Erlangen 21. Dezember 2009 )Leyendecker S. :Structure preserving methods in computational multibody dynamics and optimal control Invited lecture, Numerical Analysis Group, NTNU Trondheim (Trondheim 10. Dezember 2009 )Leyendecker S. :Structure preserving optimal control of three-dimensional compass gait 2009 )Leyendecker S. :Variational integrators in contact problems Invited lecture, Mathematics Institute, Biocomputing Group, Free University of Berlin (Berlin 24. März 2009 )Leyendecker S. :Variationsintegratoren in der Optimalsteuerung von Mehrkörperdynamik Invited lecture, Kolloquium Institut für Mechanik und Regelungstechnik, Universität Siegen (Siegen 23. Juni 2009 )Leyendecker S. , Pekarek D. , Marsden JE. :Optimal control of a three-dimensional compass biped walker Africomp 2009 (Sun City 7. Januar 2009 - 11. Januar 2009 )Ringkamp M. :Fortsetzungsalgorithmen für hochdimensionale Mehrzieloptimierungsprobleme 2009 )Schmidt B. , Leyendecker S. , Ortiz M. :Gamma-convergence of variational integrators for constrained systems Journal of Nonlinear Science 19 2009 ), S. 1432-1467 ISSN: 0938-8974 10.1007/s00332-008-9030-1 2008 Kosmas O. , Vlachos DS. , Simos TE. :A new multistep Integrator based on Discrete Lagrangian Formulation International Conference of Numerical Analysis and Applied Mathematics (Kos 16. September 2008 - 20. September 2008 )In: AIP Conference Proceedings 2008 10.1063/1.3040248 Lang H. , Dreßler K. :An improved multiaxial stress-strain correction model for elastic FE postprocessing 6th International Conference on Low Cycle Fatigue (Berlin Leyendecker S. :Consistent simulation and optimal control of multibody dynamics Invited lecture, Department of Mechanical, Aerospace & Nuclear Engineering, Rensselaer Polytechnic Institute, Troy (New York 26. Februar 2008 )Leyendecker S. :Discrete mechanics and optimal control of multibody dynamics Invited lecture, Institute of Applied Mechanics, University of Erlangen- Nuremberg (Erlangen 1. Dezember 2008 )Leyendecker S. :Structure preserving integration and optimal control of constrained dynamical systems Invited lecture, Department of Mechanical, University of California, Santa Barbara (Santa Barbara, California 2. April 2008 )Leyendecker S. :Structure preserving simulation and optimal control of multibody dynamics Invited lecture, SimTech JP-Conference, University of Stuttgart (Stuttgart 29. Mai 2008 )Leyendecker S. :Two aspects of variational integrators for constrained systems: Gamma-convergence and discrete null space method Invited lecture, Mathematics Institute, Biocomputing Group, Free University of Berlin (Berlin 15. Juli 2008 )Leyendecker S. :Variational integrators in discrete time and space mechanics Invited lecture, Mathematics Institute, AG Kornhuber, Free University of Berlin (Berlin 24. November 2008 )Leyendecker S. , Betsch P. , Steinmann P. :The Discrete Null Space Method for the Energy Consistent Integration of Constrained Mechanical Systems. Part III: Flexible Multibody Dynamics Multibody System Dynamics Volume 19 2008 ), S. 45-72 ISSN: 1384-5640 10.1007/s11044-007-9056-4 Leyendecker S. , Marsden JE. , Ortiz M. :Variational integrators for constrained dynamical systems ZAMM - Zeitschrift für angewandte Mathematik und Mechanik 88 2008 ), S. 677-708 ISSN: 0044-2267 10.1002/zamm.200700173 Leyendecker S. , Ober-Blöbaum S. , Marsden JE. , Ortiz M. :Dynamic optimisation of constrained multibody dynamics International Conference on Computational & Experimental Engineering and Science (Honolulu, Hawaii 17. März 2008 - 22. März 2008 )Leyendecker S. , Ortiz M. , Schmidt B. :On Gamma-convergence of variational integrators for constrained systems 8th World Congress on Computational Mechanics, 5th European Congress on Computational Methods in Applied Sciences and Engineering (Venice 30. Juni 2008 - 5. Juli 2008 )Leyendecker S. , Pekarek D. :Dynamic optimisation of a three-dimensional compass gait biped The Fourth Annual Structured Integrators Workshop (Palo Alto, California 24. April 2008 - 25. April 2008 )Leyendecker S. , Pekarek D. , Ober-Blöbaum S. :Dynamic optimisation of a three-dimensional walker Applied Dynamics and Geometric Mechanics workshop (Oberwolfach 20. Juli 2008 - 26. Juli 2008 )2007 Kosmas O. , Vlachos DS. , Simos TE. :A Discrete Lagrangian Algorithm for Optimal Routing Problems International electronic Conference on Computer Science (Athens 28. Juni 2007 - 8. Juli 2007 )In: AIP Conference Proceedings 2007 Kosmas O. , Vlachos DS. , Simos TE. :Discrete Algorithms for Optimization in Ship Routing Problems International Conference of Numerical Analysis and Applied Mathematics (Corfu 16. September 2007 - 20. September 2007 )In: AIP Conference Proceedings 2007 10.1063/1.2790141 Kosmas O. , Vlachos DS. , Simos TE. :Obstacle Bypassing in Optimal Ship Routing Using Simulated Annealing International electronic Conference on Computer Science (Athens 28. Juni 2007 - 8. Juli 2007 )In: AIP Conference Proceedings 2007 Kosmas O. , Vlachos DS. , Simos TE. :Optimized Derivative Kernels for Gamma Ray Spectroscopy International Conference of Computational Methods in Sciences and Engineering (Corfu 25. September 2007 - 30. September 2007 )In: AIP Conference Proceedings 2007 10.1063/1.2836015 Lang H. :A condition that a continuously deformed, simply connected body does not penetrate itself 2007 ), S. 10 Lang H. :The difference of the solutions of the elastic and elastoplastic boundary value problem and an approach to multiaxial stress-strain correction 2007 )Lang H. , Dreßler K. , Pinnau R. :A piecewise analytical solution of Jiang's model of elastoplasticity 272 2007 )Leyendecker S. :Conserving discrete constrained multibody dynamics Invited lecture, Division of Engineering and Applied Science, California Institute of Technology (Pasadena, California 28. Februar 2007 )Leyendecker S. :Efficient integration and optimal control for constrained multibody dynamics Invited lecture, Faculty of Mechanical Engineering, University of Karlsruhe (Karlsruhe 12. Juli 2007 )Leyendecker S. :From efficient mechanical integration of multibody dynamics towards its optimal control Invited lecture, CDS/CIMMS Lunchtime Series, California Institute of Technology (Pasadena, California 8. März 2007 )Leyendecker S. :Mechanical integration and optimal control of constrained multibody dynamics Invited lecture, Mechanical Engineering Seminar, California Institute of Technology (Pasadena, California 9. Oktober 2007 )Leyendecker S. :Variational integrators and optimal control of constrained systems The Third Annual Structured Integrators Workshop (Los Angeles, California 30. April 2007 - 1. Mai 2007 )Leyendecker S. , Marsden JE. , Ortiz M. :On the relation of topology and analysis in discrete mechanics 6th International Congress on Industrial and Applied Mathematics (Zürich 16. Juli 2007 - 20. Juli 2007 )Leyendecker S. , Ober-Blöbaum S. , Marsden JE. , Ortiz M. :A variational discrete null space method in constrained dynamics and optimal control 9th U.S. National Congress on Computational Mechanics (Berkley, California 23. Juli 2007 - 26. Juli 2007 )Leyendecker S. , Ober-Blöbaum S. , Marsden JE. , Ortiz M. :Discrete mechanics and optimal control for constrained multibody dynamics 6th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, ASME International Design Engineering Technical Conferences (Las Vegas, Nevada 4. September 2077 - 7. September 2007 )In: Proceedings of the 6th International Conference on Multibody Systems, Nonlinear Dynamics and Control 2007 2006 Betsch P. , Leyendecker S. :The discrete null space method for the energy consistent integration of constrained mechanical systems. Part II: Multibody dynamics International Journal for Numerical Methods in Engineering 67 2006 ), S. 499-552 ISSN: 0029-5981 10.1002/nme.1639 Betsch P. , Leyendecker S. , Steinmann P. :Objective Energy-Momentum Conserving Integration for the Constrained Dynamics of Geometrically Exact Beams Computer Methods in Applied Mechanics and Engineering 195 2006 ), S. 2313-2333 ISSN: 0045-7825 10.1016/j.cma.2005.05.002 Lang H. , Dressler K. , Pinnau R. , Bitsch G. :A homotopy between the solutions of the elastic and the elastoplastic boundary value problem 2006 ), S. 10 Lang H. , Dreßler K. , Pinnau R. :Error estimates for quasistatic global elastic correction and linear kinematic hardening material 2006 ), S. 21 Leyendecker S. :Mechanical integrators for constrained dynamical systems in flexible multibody dynamics Solid mechanics group seminar (Los Angeles, California 27. August 2006 )Leyendecker S. :Mechanical integrators for constrained dynamical systems in flexible multibody dynamics 2006 )https://www.ltd.tf.fau.de/files/2020/06/diss_sl.pdf Leyendecker S.,:Various mechanical integrators for constrained dynamical systems Workshop at University of Southern California: Applications in Mechanics and Control (Los Angeles, California 7. Dezember 2006 - 8. Dezember 2006 ) Leyendecker S. , Betsch P. :Energy-momentum integration of multibody dynamics 7th World Congress on Computational Mechanics (Los Angeles, California 16. Juli 2006 - 22. Juli 2006 )Leyendecker S. , Betsch P. , Steinmann P. :A computational approach to nonlinear dynamics of constrained dynamical systems 6th European Solid Mechanics Conference (Budapest 28. August 2006 - 1. September 2006 )Leyendecker S. , Betsch P. , Steinmann P. :Efficient integration of flexible multibody dynamics GAMM Annual Meeting (Berlin 28. März 2006 - 31. März 2006 )In: Proc. Appl. Math. Mech. (PAMM) 2006 10.1002/pamm.200610030 Leyendecker S. , Betsch P. , Steinmann P. :Mechanical integrators for nonlinear flexible multibody dynamics Dynamics’ day (Kaiserslautern 4. Juli 2006 )Leyendecker S. , Betsch P. , Steinmann P. :Mechanical integrators for nonlinear flexible multibody dynamics III European Conference on Computational Mechanics Solids, Structures and Coupled Problems in Engineering, ECCM (Lisbon, Portugal 5. Juni 2006 - 8. Juni 2006 )In: Proceedings of the III European Conference on Computational Mechanics Solids, Structures and Coupled Problems in Engineering 2006 2005 Lang H. :Notes at the embeddedness of the minimal surface of Costa, Hoffman and Meeks 2005 ), S. 9 Lang H. , Dressler K. , Pinnau R. :A multiaxial stress-strain correction scheme 2005 ), S. 19 Lang H. , Dressler K. , Pinnau R. :Parameter optimization for a multiaxial stress-strain correction scheme 2005 )Leyendecker S. , Betsch P. , Steinmann P. :Conserving integration of constrained geometrically nonlinear beam dynamics 6th Conference on Structural Dynamics, EURODYN05 (Paris 4. September 2005 - 7. September 2007 )In: Proceedings of the 6th Conference on Structural Dynamics 2005 Leyendecker S. , Betsch P. , Steinmann P. :Mechanical integration of multibody dynamics by the discrete null space method DFG’s International Research Training Group (IRTG): Visualization of Large and Unstructured Data Sets (Kaiserslautern 11. Juli 2005 )Leyendecker S. , Betsch P. , Steinmann P. :Mechanical integration of multibody dynamics by the discrete null space method ECCOMAS Thematic Conference on Advances in Computational Multibody Dynamics (Madrid 21. Juni 2005 - 24. Juni 2005 )In: Proceedings of ECCOMAS Thematic Conference on Advances in Computational Multibody Dynamics 2005 Leyendecker S. , Betsch P. , Steinmann P. :The discrete null space method for constrained mechanical systems in nonlinear structural and multibody dynamics GAMM Annual Meeting (Luxembourg 29. März 2005 - 1. April 2005 )In: Proc. Appl. Math. Mech. (PAMM) 2005 10.1002/pamm.200510080 Leyendecker S. , Betsch P. , Steinmann P. :The discrete null space method for multibody dynamics with application to closed loop systems 2nd Workshop on Numerical Methods in Multibody Dynamics (Bad Herrenalb 26. August 2005 - 28. August 2005 )2004 2003 2002