Sigrid Leyendecker

2026

• Amer G., Martonová D., Leyendecker S.:
  Automated constitutive modeling of dielectric elastomer actuators (DEAs)
  conference, GAMM Annual Meeting (Stuttgart, March 16, 2026 - March 20, 2026)
• Capobianco G., Leyendecker S.:
  A Differentiable Formulation of a Set-Valued Force Law Approximating Planar Coulomb Friction and Its use in Optimal Control
  In: Procc. App. Math. Mech. (PAMM) 2026
  DOI: 10.1002/pamm.70060
• Capobianco G., Prateek P., Leyendecker S.:
  Ghost Forces and Dual-Horizon Bond-Based Peridynamics: A Variational Mechanics Perspective
  conference, GAMM Annual Meeting (Stuttgart, March 16, 2026 - March 20, 2026)
• Heinrich S., Chen X., Martelli S., Pivonka P., Leyendecker S., Lavaill M.:
  Local Parametrization of a Geodesic Muscle Path Model for Complex Upper Limb Movements
  14th Kongress der Deutschen Gesellschaft für Biomechanik (DGfB) (Hamburg, March 18, 2026 - March 20, 2026)
• Jadhav DB., Phansalkar D., Weinberg K., Ortiz M., Dornisch W., Leyendecker S.:
  Dynamic Phase Field Fracture Simulation Using a Spatio-Temporally Adaptive Asynchronous Variational Integrator
  conference, 96th GAMM Annual Meeting (Stuttgart, March 16, 2026 - March 20, 2026)
• Jadhav DB., Phansalkar D., Weinberg K., Ortiz M., Leyendecker S.:
  A spatio-temporally adaptive asynchronous variational integrator for a phase field model of dynamic fracture
  In: Mechanics of Materials 215 (2026), Article No.: 105604
  ISSN: 0167-6636
  DOI: 10.1016/j.mechmat.2026.105604
• Konopik M., Leyendecker S., Maslovskaya S., Ober-Blöbaum S., Sato Martin de Almagro R.:
  On the variational discretisation of optimal control problems for unconstrained Lagrangian dynamics
  In: Multibody System Dynamics (2026)
  ISSN: 1384-5640
  DOI: 10.1007/s11044-025-10138-1
• Konopik M., Leyendecker S., Maslovskaya S., Ober-Blöbaum S., Sato Martin de Almagro R.:
  Second-Order Optimality Conditions in a New Lagrangian Formulation for Optimal Control Problems
  In: Procc. App. Math. Mech. (PAMM) 2026
  DOI: 10.1002/pamm.70141
• Konopik M., Leyendecker S., Maslovskaya S., Ober-Blöbaum S., Sato Martin de Almagro R.:
  Variational Integrators for a new Lagrangian Approach to Control Affine Systems with a Quadratic Lagrange Term
  In: Journal of Nonlinear Science 36 (2026), Article No.: 11
  ISSN: 0938-8974
  DOI: 10.1007/s00332-025-10229-5
• Lohmayer M., Lynch O., Leyendecker S.:
  Exergetic Port-Hamiltonian systems modeling language
  In: Heliyon 12 (2026), Article No.: e44191
  ISSN: 2405-8440
  DOI: 10.1016/j.heliyon.2025.e44191

2025

• Capobianco G., Leyendecker S.:
  Optimal control of a pendulum driven via a frictional clutch using a smooth formulation of set-valued friction
  conference, GAMM Annual Meeting (Poznań, April 7, 2025 - April 11, 2025)
• Celledoni E., Çokaj E., Leone A., Leyendecker S., Murari D., Owren B., Sato Martin de Almagro R., Stavole M.:
  Neural networks for the approximation of Euler’s elastica
  In: Computer Methods in Applied Mechanics and Engineering 435 (2025), Article No.: 117584
  ISSN: 0045-7825
  DOI: 10.1016/j.cma.2024.117584
• Coppers B., Bartanus V., Heinrich S., Bayat S., Kleyer A., Minopoulou I., Simon D., Corte G., Fagni F., Schönau V., Schett G., Leyendecker S., Liphardt AM.:
  Biomechanical Investigation of Impairments in Palm Arch Mobility in Rheumatoid and Psoriatic Arthritis Patients
  In: poster, Annals of the Rheumatic Diseases 2025
  DOI: 10.1016/j.ard.2025.06.562
• Coppers B., Heinrich S., Bayat S., Tascilar K., Kleyer A., Simon D., Minopoulou I., Corte G., Fagni F., Schönau V., Leyendecker S., Schett G., Liphardt AM.:
  Hand Function Impairments Are More Pronounced in Female RA and PsA Patients and also Found in Patients without Concurrent Hand Inflammation
  In: Medicine and science in sports and exercise (2025), Article No.: 10.1249/MSS.0000000000003832
  ISSN: 0195-9131
  DOI: 10.1249/MSS.0000000000003832
• Coppers B., Heinrich S., Tascilar K., Phutane U., Kleyer A., Simon D., Bräunig J., Penner J., Vossiek M., Schönau V., Bayat S., Schett G., Leyendecker S., Liphardt AM.:
  Sensor-assessed grasping time as a biomarker of functional impairment in rheumatoid arthritis
  In: Scientific Reports 15 (2025), Article No.: 6018
  ISSN: 2045-2322
  DOI: 10.1038/s41598-025-90295-7
• Jadhav DB., Phansalkar D., Weinberg K., Ortiz M., Leyendecker S.:
  A New Approach to Asynchronous Variational Integrators for a Phase Field Model of Dynamic Fracture
  In: International Journal for Numerical Methods in Engineering (2025)
  ISSN: 0029-5981
  DOI: 10.1002/nme.70025
• Jadhav DB., Phansalkar D., Weinberg K., Ortiz M., Leyendecker S.:
  A spatio-temporally adaptive phase field model of dynamic fracture using an asynchronous variational integrator
  conference, Kolloquium für Mechanik (RPTU Kaiserslautern, August 20, 2025)
• Jadhav DB., Phansalkar D., Weinberg K., Ortiz M., Leyendecker S.:
  Computational efficiency of dynamic phase field fracture simulations using a new asynchronous variational integrator
  conference, GAMM PF 25 and Materials/Microstructure modelling: Analytics & Benchmarks (Karlsruhe, February 12, 2025 - February 14, 2025)
• Jadhav DB., Phansalkar D., Weinberg K., Ortiz M., Leyendecker S.:
  Simulating dynamic phase field fracture using a spatio-temporally adaptive asynchronous variational integrator
  conference, 11th FRASCAL seminar (Erlangen, June 27, 2025)
• Konopik M., Leyendecker S., Maslovskaya S., Ober-Blöbaum S., Sato Martin de Almagro R.:
  A new Lagrangian approach to optimal control of second-order systems
  In: Nonlinearity 38 (2025), Article No.: 11
  ISSN: 0951-7715
  DOI: 10.1088/1361-6544/ae1d08
• Konopik M., Leyendecker S., Maslovskaya S., Ober-Blöbaum S., Sato Martin de Almagro R.:
  New discrete Lagrangian approach for solving mechanical optimal control problems
  New discrete Lagrangian approach for solving mechanical optimal control problems (Poznań, April 7, 2025 - April 11, 2025)
• Lang H., Sato Martin de Almagro R., Wang T., Stavole M., Linn J., Leyendecker S.:
  A Discrete Mechanics Approach to the Cosserat Rod Theory — Part II: Geometric Insights About Static Equilibria on Vertex and Staggered Grids
  In: International Journal for Numerical Methods in Engineering 126 (2025), Article No.: e70190
  ISSN: 0029-5981
  DOI: 10.1002/nme.70190
• Lavaill M., Chen X., Heinrich S., Pivonka P., Leyendecker S.:
  Muscle path predictions using a discrete geodesic Euler–Lagrange model in constrained optimisation: comparison with OpenSim and experimental data
  In: Multibody System Dynamics (2025)
  ISSN: 1384-5640
  DOI: 10.1007/s11044-025-10055-3
• Leyendecker S.:
  Geometric integration of geometrically exact beam dynamics and optimal control problems
  conference, BIRS – Geometric Mechanics Formulations for Continuum Mechanics (Banff, March 16, 2025 - March 21, 2025)
• Leyendecker S.:
  Optimal control of multibody systems with dielectric elastomeractuators
  conference, XI International Conference on Coupled Problems in Science and Engineering (Villasimius, Sardinia, May 25, 2025 - May 28, 2025)
• Leyendecker S., Konopik M., Maslovskaya S., Ober-Blöbaum S., Sato Martin de Almagro R.:
  On the variational discretization of optimal control problems for Lagrangian dynamics
  conference, 12th ECCOMAS Thematic Conference on Multibody Dynamics (Innsbruck, July 13, 2025 - July 18, 2025)
• Leyendecker S., Liphardt AM., Pivonka P., Martelli S.:
  Preventing Disuse-Induced Osteoporosis
  poster, Bavaria-Queensland Research Alliance (Munich, February 10, 2025)
• Lohmayer M., Kraus M., Leyendecker S.:
  Energy-based, geometric, and compositional formulation of fluid and plasma models
  In: Communications in Nonlinear Science and Numerical Simulation 152 (2025), Article No.: 109384
  ISSN: 1007-5704
  DOI: 10.1016/j.cnsns.2025.109384
• Martonová D., Leyendecker S., Holzapfel GA., Kuhl E.:
  Discovering dispersion: How robust is automated model discovery for human myocardial tissue?
  In: Biomechanics and Modeling in Mechanobiology (2025)
  ISSN: 1617-7959
  DOI: 10.1007/s10237-025-02005-x
• Martonová D., Peirlinck M., Holzapfel GA., Leyendecker S., Kuhl E.:
  Robust material model discovery for human myocardium
  30th Congress of the European Society of Biomechanics (ESB) (Zürich, Switzerland, July 6, 2025 - July 9, 2025)
• Port H., Coppers B., Tragl S., Manger E., Niemiec LM., Bayat S., Simon D., Fagni F., Corte G., Bay-Jensen AC., Tascilar K., Hueber A., Schmidt K., Schönau V., Sticherling M., Heinrich S., Leyendecker S., Bohr D., Schett G., Kleyer A., Nielsen SH., Liphardt AM.:
  Serum extracellular matrix biomarkers in rheumatoid arthritis, psoriatic arthritis and psoriasis and their association with hand function
  In: Scientific Reports 15 (2025), Article No.: 13656
  ISSN: 2045-2322
  DOI: 10.1038/s41598-025-98395-0
• Prateek P., Capobianco G., Leyendecker S.:
  A discrete mechanics perspective on bond-based peridynamics
  conference, ECCOMAS 18th Thematic Conference on Computational Plasticity (COMPLAS 2025) (Barcelona, September 2, 2025 - September 5, 2025)
• Prateek P., Capobianco G., Leyendecker S.:
  Variational Integrators with spatial refinement for elastodynamic simulations using Peridynamics
  conference, 11th FRASCAL seminar (Erlangen, June 27, 2025)
• Stavole M., Sato Martin de Almagro R., Dörlich V., Leyendecker S.:
  On the determination of effective stiffness properties of multilayered axisymmetric beams via analytic and experimental approaches
  In: International Journal of Solids and Structures 317 (2025), Article No.: 113407
  ISSN: 0020-7683
  DOI: 10.1016/j.ijsolstr.2025.113407
• Wang T., Thoma T., Leyendecker S.:
  Simultaneous Inversion for Underactuated Mechanical Systems with Servo-Constraints
  conference, GAMM Annual Meeting (Poznań, April 7, 2025 - April 11, 2025)

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
  In: Annals of the Rheumatic Diseases (2024), p. 1774-1775
  ISSN: 0003-4967
  DOI: 10.1136/annrheumdis-2024-eular.5778
• 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
  In: IEEE Journal of Microwaves 4 (2024), p. 639-652
  ISSN: 2692-8388
  DOI: 10.1109/JMW.2024.3453570
• Capobianco G., Breuling J., Leyendecker S.:
  A RATTLE integrator for the simulation of unilaterally constrained mechanical systems
  conference, GAMM Annual Meeting (Magdeburg, March 18, 2024 - March 22, 2024)
• Capobianco G., Breuling J., Leyendecker S.:
  Event-capturing simulation of nonsmooth systems
  poster, GAMM Annual Meeting (Magdeburg, March 18, 2024 - March 22, 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, July 22, 2024 - July 26, 2024)
• Chen X., Lavaill M., Heinrich S., Pivonka P., Leyendecker S.:
  Comparison of muscle path predictions using OpenSim and a novel geodesic model
  conference, DGfB Deutsche Gesellschaft für Biomechanik (Heidelberg, April 26, 2024)
• Chen X., Lavaill M., Heinrich S., Pivonka P., Leyendecker S.:
  Comparison of muscle path predictions using OpenSim and anovel geodesic model
  conference, Netzwerktagung der Alexander von Humboldt Stiftung (Erlangen, November 21, 2024)
• Chen X., Leyendecker S.:
  Kinematic analysis of kinases and their oncogenic mutations – Kinases and their mutation kinematic analysis
  In: Molecular Informatics 43 (2024)
  ISSN: 1868-1743
  DOI: 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
  In: Annals of the Rheumatic Diseases (2024), p. 1342.1-1342
  ISSN: 0003-4967
  DOI: 10.1136/annrheumdis-2024-eular.1112
• Fleischmann S., Dietz S., Shanbhag J., Wünsch A., Nitschke M., Miehling J., Wartzack S., Leyendecker S., Eskofier B., Koelewijn A.:
  Exploring Dataset Bias and Scaling Techniques in Multi-Source Gait Biomechanics: An Explainable Machine Learning Approach
  In: ACM Transactions on Intelligent Systems and Technology 20 (2024), Article No.: 20
  ISSN: 2157-6904
  DOI: 10.1145/3702646
• Fleischmann S., Holzwarth Correa V., Coppers B., Sadeghi M., Richer R., Kleyer A., Simon D., Bräunig J., Vossiek M., Schönau V., Schett G., Koelewijn A., Leyendecker S., Eskofier B., Liphardt AM.:
  Classification of rheumatoid arthritis from hand motion capture data using machine learning
  13. Kongress der Deutschen Gesellschaft für Biomechanik (DGfB) (Heidelberg, April 24, 2024 - April 26, 2024)
• Heinrich S., Coppers B., Liphardt AM., Leyendecker S.:
  Optimal Control Simulation of Full Hand Flexion MovementsExploiting Optical Marker Tracking
  conference, Scientific Meetings of ANZSB & ANZORS (Melbourne, December 1, 2024 - December 4, 2024)
• 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
  In: IEEE Sensors 24 (2024)
  ISSN: 2168-9229
  DOI: 10.1109/JSEN.2024.3376606
• Jadhav DB., Phansalkar D., Weinberg K., Ortiz M., Leyendecker S.:
  A spatially adaptive phase field model for static and dynamic fracture
  conference, IUTAM Symposium Computational Fracture Mechanics in Multi- Field Problems (Bad Honnef, December 8, 2024 - December 13, 2024)
• Jadhav DB., Phansalkar D., Weinberg K., Ortiz M., Leyendecker S.:
  Simulating Dynamic Phase Field Fracture using a New Asynchronous Variational Integrator
  conference, 10th FRASCAL seminar (Erlangen, October 25, 2024)
• Jadhav DB., 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, August 26, 2024 - August 30, 2024)
• Konopik M., Leyendecker S.:
  Geometric numerical integration
  conference, Netzwerktagung der Alexander von Humboldt Stiftung (Erlangen, November 21, 2024)
• Leyendecker S.:
  Biomechanical modelling and simulation — Muskuloskeletal systems
  invited lecture, ITWM (Kaiserslautern, June 6, 2024)
• Leyendecker S.:
  Research at the Institute of Applied Dynamics
  conference, Netzwerktagung der Alexander von Humboldt Stiftung (Erlangen, November 21, 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, September 9, 2024 - September 13, 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
  In: Journal of Computational Dynamics 11 (2024), p. 336-353
  ISSN: 2158-2491
  DOI: 10.3934/jcd.2024017
• Lohmayer M., Capobianco G., Leyendecker S.:
  Exergetic port-Hamiltonian systems for multibody dynamics
  In: Multibody System Dynamics (2024)
  ISSN: 1384-5640
  DOI: 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, May 21, 2024 - May 24, 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
  In: Annals of the Rheumatic Diseases (2024), p. 936.3-937
  ISSN: 0003-4967
  DOI: 10.1136/annrheumdis-2024-eular.5298
• Martonová D., Peirlinck M., Linka K., Holzapfel GA., Leyendecker S., Kuhl E.:
  Automated model discovery for human cardiac tissue
  conference, Netzwerktagung der Alexander von Humboldt Stiftung (Erlangen, November 21, 2024)
• 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
  In: Computer Methods in Applied Mechanics and Engineering 428 (2024), Article No.: 117078
  ISSN: 0045-7825
  DOI: 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, July 30, 2024 - August 1, 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
  In: Frontiers in Bioengineering and Biotechnology 12 (2024)
  ISSN: 2296-4185
  DOI: 10.3389/fbioe.2024.1285845
• Sato Martin de Almagro R., Szemenyei F., Ober-Blöbaum S., Leyendecker S.:
  A new Lagrangian approach to regular control-affine mechanical systems
  conference, Workshop on Geometric Control and Mechanics (ACT - American College of Thessaloniki, Thessaloniki, July 5, 2024 - July 6, 2024)
• Scheiterer E., Heinrich S., Liphardt AM., Leyendecker S.:
  Marker position uncertainty in joint angle analysis for normal human gait — A new error-modelling approach
  In: Biomedical Signal Processing and Control 95 (2024), Article No.: 106474
  ISSN: 1746-8094
  DOI: 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, June 9, 2024 - September 13, 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
  In: Frontiers in Bioengineering and Biotechnology 12 (2024)
  ISSN: 2296-4185
  DOI: 10.3389/fbioe.2024.1386874
  URL: https://www.frontiersin.org/articles/10.3389/fbioe.2024.1386874

2023

• Capobianco G., Harsch J., Leyendecker S.:
  Lobatto-type variational integrators for mechanical systems with frictional contact
  In: Computer Methods in Applied Mechanics and Engineering 418 (2023), Article No.: 116496
  ISSN: 0045-7825
  DOI: 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
  In: Proteins-Structure Function and Bioinformatics (2023), p. 1-14
  ISSN: 0887-3585
  DOI: 10.1002/prot.26543
• 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, July 9, 2023 - July 12, 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, July 24, 2023 - July 28, 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, May 3, 2023 - May 5, 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, October 4, 2023 - October 5, 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
  DOI: 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
  In: Journal of Biomechanics (2023), Article No.: 111643
  ISSN: 0021-9290
  DOI: 10.1016/j.jbiomech.2023.111643
• Jadhav DB., Leyendecker S.:
  Asynchronous Variational Integrators for Elastodynamics and for a Phase Field Model of Dynamic Fracture
  conference, 3rd RTG Retreat (Bad Staffelstein, November 17, 2023 - November 18, 2023)
• Jadhav DB., Phansalkar D., Leyendecker S.:
  Numerical illustration of Γ-convergence for variational integrators
  conference, 8th FRASCAL seminar (Erlangen, April 28, 2023)
• Jadhav DB., 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, February 6, 2023 - February 7, 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, May 3, 2023 - May 5, 2023)
• Leyendecker S.:
  Biomechanical modelling and simulation — Muskuloskeletal, cardiac and protein system
  invited lecture, Rotary Club (Nuremberg, Sebald, March 10, 2023)
• Leyendecker S.:
  Computational models of geometrically exact beams in multibody dynamics and as smart actuators
  conference, MaGIC 2023 (Øyer, February 27, 2023 - March 3, 2023)
• Leyendecker S.:
  Geometric modelling, integration and optimal control of flexible multibody dynamics
  plenary lecture, ECCOMAS - 11th Thematic Conference on Multibody Dynamics (Lisboa, July 24, 2023 - July 28, 2023)
• Leyendecker S., Szemenyei F., Maslovskaya S., Ober-Blöbaum S.:
  A new Lagrangian approach to control affine systems with a quadratic Lagrange term
  conference, Foundations of Computational Mathematics (FoCM) 2023 (Paris, June 12, 2023 - June 21, 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
  URL: https://www.gamm-ev.de/wp-content/uploads/2023/05/GAMM_1-23_web-compressed.pdf
  (anderer)
• 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, October 11, 2023 - October 13, 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, June 26, 2023 - June 30, 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, May 3, 2023 - May 5, 2023)
• Martonová D., Holz D., Duong MT., Leyendecker S.:
  Smoothed finite element methods in simulation of active contraction of myocardial tissue samples
  In: Journal of Biomechanics (2023)
  ISSN: 0021-9290
  DOI: 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
  In: PLoS ONE (2023)
  ISSN: 1932-6203
  DOI: 10.1371/journal.pone.0283544
• 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
  In: PeerJ (2023)
  ISSN: 2167-8359
  DOI: 10.7717/peerj.14852
  URL: https://peerj.com/articles/14852/
• Phansalkar D., Jadhav DB., Weinberg K., Ortiz M., Leyendecker S.:
  Extension of the spatially adaptive phase-field model to various forms of fracture
  In: Forces in Mechanics 10 (2023), Article No.: 100161
  ISSN: 2666-3597
  DOI: 10.1016/j.finmec.2022.100161
• Port Linares H., Coppers B., Bayat S., Godonou ET., 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, November 14, 2023 - November 19, 2023)
• 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, August 20, 2023 - August 25, 2023)
• Sato Martin de Almagro R., Leyendecker S.:
  Variational integrators and frequency-dependent damping
  poster, Foundations of Computational Mathematics (FOCM) (Paris, June 12, 2023 - June 21, 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, August 20, 2023 - August 25, 2023)
• 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
  In: Multibody System Dynamics (2023), p. 1-28
  ISSN: 1384-5640
  DOI: 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
  In: Journal of neuroEngineering and rehabilitation 20 (2023), Article No.: 111
  ISSN: 1743-0003
  DOI: 10.1186/s12984-023-01235-3
• Stavole M., Leyendecker S.:
  Endoscopes: from experimental characterisation to modelling
  conference, Industrial workshop by fleXstructures 2023 (Kaiserslautern, May 25, 2023 - May 26, 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, August 20, 2023 - August 25, 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, July 24, 2023 - September 29, 2023)
• Stavole M., Sato Martin de Almagro R., Dörlich V., Leyendecker S.:
  Homogenised stiffness coefficients of unloaded endoscope shafts
  conference, MaGIC 2023 (Øyer, February 27, 2023 - March 3, 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, September 25, 2023 - September 29, 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, July 24, 2023 - July 28, 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, October 15, 2023 - October 18, 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, October 2, 2023 - October 6, 2023)
  In: Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV) Workshops 2023
  Open Access: 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, June 24, 2022)
• Chen X., Leyendecker S., van den Bedem H.:
  Kinematic Vibrational Entropy Assessment and Analysis of SARS CoV-2 Main Protease
  In: Journal of Chemical Information and Modeling 62 (2022), p. 2869-2879
  ISSN: 1549-9596
  DOI: 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, June 1, 2022 - June 4, 2022)
  DOI: 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, June 26, 2022 - June 29, 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), July 10, 2022 - July 14, 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, February 1, 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, September 21, 2022 - September 23, 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), July 10, 2022 - July 14, 2022)
  URL: 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, June 26, 2022 - June 29, 2022)
• Huang D., Leyendecker S.:
  Dielectric Elastomer Actuated Multibody System Dynamics and Optimal Control
  92nd GAMM Annual Meeting (Aachen, August 15, 2022 - August 19, 2022)
• Huang D., Leyendecker S.:
  Optimal control of dielectric elastomer actuated multibody dynamical systems
  In: Soft Robotics (2022)
  ISSN: 2169-5172
  DOI: 10.1089/soro.2022.0162
• Jadhav DB., 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, May 5, 2022 - May 6, 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), July 31, 2022 - August 5, 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, May 26, 2022)
• Lohmayer M., Leyendecker S.:
  EPHS: A Port-Hamiltonian Modelling Language
  25th International Symposium on Mathematical Theory of Networks and Systems MTNS 2022 (Bayreuth, September 12, 2022 - September 16, 2022)
  DOI: 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, September 12, 2022 - September 16, 2022)
  DOI: 10.1016/j.ifacol.2022.11.077
• Lohmayer M., Leyendecker S.:
  Exergetic Port-Hamiltonian Systems: Navier-Stokes-Fourier Fluid
  TFMST 2022 (Montreal, July 25, 2022 - July 27, 2022)
  In: IFAC-PapersOnLine 2022
  DOI: 10.1016/j.ifacol.2022.08.033
• 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), July 24, 2022 - July 27, 2022)
  DOI: 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
  In: Frontiers in Cardiovascular Medicine 9 (2022)
  ISSN: 2297-055X
  DOI: 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
  In: Journal of Biomechanics 134 (2022), Article No.: 110980
  ISSN: 0021-9290
  DOI: 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)
  DOI: 10.5281/zenodo.6949012
  (anderer)
• Penner J., Leyendecker S.:
  A discrete mechanics approach for musculoskeletal simulations with muscle wrapping
  In: Multibody System Dynamics (2022)
  ISSN: 1384-5640
  DOI: 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, June 5, 2022 - June 9, 2022)
• Phansalkar D., Weinberg K., Ortiz M., Leyendecker S.:
  A spatially adaptive phase-field model of fracture
  In: Computer Methods in Applied Mechanics and Engineering 395 (2022)
  ISSN: 0045-7825
  DOI: 10.1016/j.cma.2022.114880
• Phutane U., Roller M., Leyendecker S.:
  Optimal control simulations of two-finger grasps
  In: Mechanism and Machine Theory 167 (2022), p. 104508
  ISSN: 0094-114X
  DOI: 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, July 31, 2022 - August 5, 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)
  In: Computational Mechanics (2022)
  ISSN: 0178-7675
  DOI: 10.1007/s00466-022-02211-9
• Scheiterer E., Leyendecker S.:
  Fuzzy forward dynamics of distinct gait phases with a prosthetic foot
  In: Computational Mechanics (2022)
  ISSN: 0178-7675
  DOI: 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, July 22, 2022)
• Stavole M., Leyendecker S.:
  Industrial and mathematical challenges of a medical application
  conference, Math meets industry 2022 (Trondheim, June 2, 2022)
• Stavole M., Leyendecker S.:
  Variational modelling and simulation of complex beams and their optimisation
  conference, THREAD Annual Meeting (Seville, May 26, 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, February 28, 2022 - March 4, 2022)
  DOI: 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, September 26, 2022 - September 28, 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, June 5, 2022 - June 9, 2022)
  DOI: 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, June 5, 2022 - June 9, 2022)
  In: Computational Solid Mechanics 2022
  DOI: 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, December 12, 2021 - December 15, 2021)
• Chen X., Leyendecker S., van den Bedem H.:
  Vibrational entropy calculation of proteins via kinematic flexibility analysis
  conference, GAMM Annual Meeting (Kassel, March 15, 2021 - March 19, 2021)
• 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
  In: Journal of Biomechanical Engineering-Transactions of the Asme 144 (2021), p. 031002 (10 pages)
  ISSN: 0148-0731
  DOI: 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, September 20, 2021 - September 21, 2021)
• Huang D., Leyendecker S.:
  An electromechanically coupled beam model for dielectric elastomer actuators
  In: Computational Mechanics (2021)
  ISSN: 0178-7675
  DOI: 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, December 12, 2021 - December 15, 2021)
• Huang D., Leyendecker S.:
  Modelling of Electromechanical Coupling in Geometrically Exact Beam Dynamics
  14th WCCM-ECCOMAS Congress 2020 (online, January 11, 2021 - January 15, 2021)
  DOI: 10.23967/wccm-eccomas.2020.207
  URL: 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, March 15, 2021 - March 19, 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
  In: Computer Methods in Applied Mechanics and Engineering 374 (2021), p. 113475
  ISSN: 0045-7825
  DOI: 10.1016/j.cma.2020.113475
  URL: 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, March 15, 2021 - March 19, 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
  In: Mathematical and Computer Modelling of Dynamical Systems 27 (2021), p. 489-521
  ISSN: 1387-3954
  DOI: 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, June 14, 2021 - June 18, 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, March 15, 2021 - March 19, 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, March 15, 2021 - March 19, 2021)
  In: Proc. Appl. Math. Mech. (PAMM) 2021
  DOI: 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
  In: Journal of the Mechanical Behavior of Biomedical Materials 119 (2021), Article No.: 104430
  ISSN: 1751-6161
  DOI: 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
  In: Journal of Biomechanics 115 (2021), p. 110153
  ISSN: 0021-9290
  DOI: 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, October 27, 2021 - October 27, 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, October 14, 2021 - October 16, 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, March 15, 2021 - March 19, 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, April 30, 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
  In: Sensors 21 (2021), Article No.: 1208
  ISSN: 1424-8220
  DOI: 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, December 12, 2021 - December 15, 2021)
• Sato Martin de Almagro R., Leitz T., Leyendecker S.:
  Galerkin variational integration of the geometrically exact beam via unit dual quaternion interpolation
  (2021)
  (Conference report)
• 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, March 15, 2021 - March 19, 2021)
  In: Proc. Appl. Math. Mech. (PAMM) 2021
  DOI: 10.1002/pamm.202100096
• Scheiterer E., Leyendecker S.:
  Fuzzy forward dynamics of a human leg with a prosthetic foot
  conference, GAMM Annual Meeting (Kassel, March 15, 2021 - March 19, 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
  DOI: 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, December 12, 2021 - December 15, 2021)
• Stavole M., Leyendecker S.:
  Variational modelling and simulation of complex beams and their optimization
  conference, THREAD Annual Meeting (Seville, October 5, 2021 - October 7, 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, March 1, 2021 - March 5, 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
  DOI: 10.1002/pamm.202000166
• Huang D., Leyendecker S.:
  On computational aspects of electromechanical coupling in geometrically exact beam dynamics
  Online symposium on flexible multibody system dynamics (Zoom, September 21, 2020 - September 21, 2020)
• 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), October 19, 2020 - October 23, 2020)
• Lohmayer M., Leyendecker S.:
  Exergetic Port-Hamiltonian Systems — a tutorial
  Student Compact Course -- Variational Methods for Fluids and Solids (Berlin, October 12, 2020 - October 23, 2020)
  (anderer)
• Penner J., Leyendecker S.:
  Defining Kinematic Chains for Musculoskeletal Optimal Control Simulations via Automatic Differentiation
  6th International Digital Human Modeling Symposium (Skövde, August 31, 2020 - September 2, 2020)
  In: Proceedings of the 6th International Digital Human Modeling Symposium 2020
  Open Access: 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, March 12, 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, February 10, 2020 - February 11, 2020)
• Phutane U., Roller M., Boebel A., Leyendecker S.:
  Optimal Control of Grasping Problem Using Postural Synergies
  6th International Digital Human Modeling Symposium (Skövde, August 31, 2020 - September 2, 2020)
  In: Proceedings of the 6th International Digital Human Modeling Symposium 2020
  DOI: 10.3233/ATDE200026
  URL: 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), June 29, 2020 - July 3, 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 (, October 26, 2020 - October 27, 2020)

2019

• Budday D., Leyendecker S., van den Bedem H.:
  Kino‐Geometric Modeling: Insights into Protein Molecular Mechanisms
  GAMM Annual Meeting (Vienna, February 18, 2019 - February 22, 2019)
  In: Proc. Appl. Math. Mech (PAMM) 2019
  DOI: 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
  In: Frontiers in Physiology 10 (2019), p. 10-41
  ISSN: 1664-042X
  DOI: 10.3389/fphys.2019.01041
  URL: https://www.frontiersin.org/articles/10.3389/fphys.2019.01041/abstract
• Eisentraudt M., Leyendecker S.:
  Epistemic uncertainty in optimal control simulation
  In: Mechanical Systems and Signal Processing 121 (2019), p. 876-889
  ISSN: 0888-3270
  DOI: 10.1016/j.ymssp.2018.12.001
• Eisentraudt M., Leyendecker S.:
  Fuzzy uncertainty in forward dynamics simulation
  In: Mechanical Systems and Signal Processing 126 (2019), p. 590-608
  ISSN: 0888-3270
  DOI: 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
  In: Multibody System Dynamics (2019), p. 1-22
  ISSN: 1384-5640
  DOI: 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, February 18, 2019 - February 22, 2019)
  In: Procc. App. Math. Mech. (PAMM) 2019
  DOI: 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, August 28, 2019 - August 30, 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, July 7, 2019 - September 10, 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, February 16, 2019 - February 19, 2019)
• Leyendecker S.:
  Geometric numerical integration in simulation and optimal control
  International Congress on Industrial and Applied Mathematics (ICIAM) (Valencia, July 15, 2019 - July 19, 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, October 22, 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, September 16, 2019)
• Leyendecker S.:
  Musculoskeletal digital human models in assembly planning
  Invited lecture, Challenge Workshop - Mathematical Modelling of Biomedical Problems (Erlangen, December 12, 2019 - December 13, 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
  DOI: 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, February 18, 2019 - February 22, 2019)
  In: Proc. Appl. Math. Mech (PAMM) 2019
  DOI: 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, July 15, 2019 - July 18, 2019)
  In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2019
  DOI: 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, February 18, 2019 - February 22, 2019)
  In: Proc. Appl. Math. Mech. (PAMM) 2019
  DOI: 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
  In: Computational Mechanics 64 (2019), p. 1601-1619
  ISSN: 0178-7675
  DOI: 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
  In: GAMM-Mitteilungen (2019), Article No.: e201900010
  ISSN: 0936-7195
  DOI: 10.1002/gamm.201900011
• Scheiterer E., Leyendecker S.:
  Modelling a prosthetic foot as a predeformed geometrically exact beam
  conference, SPP1886 Annual Meeting (Hamburg, October 26, 2019 - October 27, 2019)

2018

• 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
  In: Journal of Computational and Nonlinear Dynamics (2018)
  ISSN: 1555-1423
  DOI: 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, February 18, 2018 - February 22, 2018)
• Budday D., Leyendecker S., van den Bedem H.:
  Bridging protein rigidity theory and normal modes using kino-geometric analysis
  GAMM Annual Meeting (Munich, March 19, 2018 - March 23, 2018)
  In: Proc. Appl. Math. Mech. (PAMM) 2018
  DOI: 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, March 19, 2018 - March 23, 2018)
  In: Proc. Appl. Math. Mech. (PAMM) 2018
  DOI: 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
  In: Journal of Chemical Information and Modeling 58 (2018), p. 2108-2122
  ISSN: 1549-9596
  DOI: 10.1021/acs.jcim.8b00267
  URL: 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, June 11, 2018 - June 15, 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, March 19, 2018 - March 23, 2018)
  In: Proc. Appl. Math. Mech. (PAMM) 2018
  DOI: 10.1002/pamm.201800326
• Eisentraudt M., Leyendecker S.:
  Fuzzy uncertainty in forward dynamics simulation using variational integrators
  GAMM Annual Meeting (Munich, March 19, 2018 - March 23, 2018)
  In: Proc. Appl. Math. Mech. (PAMM) 2018
  DOI: 10.1002/pamm.201800315
• Glaas D., Leyendecker S.:
  Variational integrator based optimal feedback control for constrained mechanical systems
  In: ZAMM - Zeitschrift für angewandte Mathematik und Mechanik (2018)
  ISSN: 0044-2267
  DOI: 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, September 3, 2018 - September 7, 2018)
• Kosmas O., Leyendecker S.:
  Variational integrators for orbital problems using frequency estimation
  In: Advances in Computational Mathematics (2018), p. 1-21
  ISSN: 1019-7168
  DOI: 10.1007/s10444-018-9603-y
• Leitz T., Leyendecker S.:
  Galerkin Lie-group variational integrators based on unit quaternion interpolation
  In: Computer Methods in Applied Mechanics and Engineering 338 (2018), p. 333-361
  ISSN: 0045-7825
  DOI: 10.1016/j.cma.2018.04.022
• Leyendecker S.:
  Ein dynamisches Manikin mit faserbasierter Modellierung der Skelettmuskulatur
  Biomechanik Workshop (Arbeitstreffen Verbundprojekt DYMARA) (Erlangen, September 5, 2018 - September 6, 2018)
• Leyendecker S.:
  Optimal control of human motion - biological and artificial muscles
  Symposium EMMA-CC. Digitale Menschmodellierung fur ergonomische Arbeitsplatze (Kaiserslautern, April 12, 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
  DOI: 10.1007/978-3-030-27550-1_28
• Penner J., Leyendecker S.:
  Optimization based muscle wrapping in biomechanical multibody simulations
  GAMM Annual Meeting (Munich, March 19, 2018 - March 23, 2018)
  In: Proc. Appl. Math. Mech (PAMM) 2018
  DOI: 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, June 18, 2018 - June 22, 2018)
  In: Mathematics in Industry 2018
• Phutane U., Roller M., Leyendecker S.:
  Optimal control simulations of two finger grasping
  GAMM Annual Meeting (Munich, March 19, 2018 - March 23, 2018)
  In: Proc. Appl. Math. Mech (PAMM) 2018
  DOI: 10.1002/pamm.201800358
• 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, September 3, 2018 - September 7, 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, October 1, 2018 - October 5, 2018)
  In: 2018 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS (IROS) 2018
  DOI: 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, June 26, 2017 - June 28, 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
  In: Proteins-Structure Function and Bioinformatics 85 (2017), p. 1795-1807
  ISSN: 0887-3585
  DOI: 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, November 6, 2017 - November 8, 2017)
• Gail T., Ober-Blöbaum S., Leyendecker S.:
  Variational multirate integration in discrete mechanics and optimal control
  ECCOMAS Thematic Conference on Multibody Dynamics (Prague, June 19, 2017 - June 22, 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, March 6, 2017 - March 10, 2017)
  In: Proc. Appl. Math. Mech (PAMM) 2017
  DOI: 10.1002/pamm.201710044
• Koch M., Ringkamp M., Leyendecker S.:
  Discrete Mechanics and Optimal Control of Walking Gaits
  In: Journal of Computational and Nonlinear Dynamics 12 (2017)
  ISSN: 1555-1423
  DOI: 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, June 19, 2017 - June 22, 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, July 10, 2017 - July 12, 2017)
• Leyendecker S.:
  Optimal control of human motion biological and artificial muscles
  Workshop Computermodellierung von Wirbelsäule und Muskulatur (Koblenz, March 28, 2017)
• Leyendecker S., Schlögl T., Wenger T.:
  Strukturerhaltende Simulation und Optimalsteuerung gekoppelter Systeme
  (2017), p. 10-16
  (anderer)
• Penner J., Schlögl T., Leyendecker S.:
  Optimal control of a slot car racer
  GAMM Annual Meeting (Weimar, March 6, 2017 - March 10, 2017)
  In: Proc. Appl. Math. Mech (PAMM) 2017
  DOI: 10.1002/pamm.201710238
• Penner J., Schlögl T., Leyendecker S.:
  Optimal control of a slot car racer
  The 7th GACM Colloquium on Computational Mechanics (Stuttgart, October 11, 2017 - October 13, 2017)
  In: Proceedings of the 7th GACM 2017
• Phutane U., Roller M., Björkenstam S., Leyendecker S.:
  Investigating human thumb models via their range of motion volumes
  GAMM Annual Meeting (Weimar, March 6, 2017 - March 10, 2017)
  In: Proc. Appl. Math. Mech (PAMM) 2017
  DOI: 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, June 19, 2017 - June 22, 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, June 19, 2017 - June 22, 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
  DOI: 10.1002/pamm.201710248
• Schlögl T., Leyendecker S.:
  A polarisation based approach to model the strain dependent permittivity of dielectric elastomers
  In: Sensors and Actuators A-Physical 267 (2017), p. 156 - 163
  ISSN: 0924-4247
  DOI: 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
  In: Advances in Computational Mathematics 43 (2017), p. 1163-1195
  ISSN: 1019-7168
  DOI: 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, September 11, 2017 - September 15, 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, March 6, 2017 - March 10, 2017)
  In: Proc. Appl. Math. Mech (PAMM) 2017
  DOI: 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, September 25, 2016 - September 28, 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
  Conference presentation (Durham, North Carolina)
• Budday D., Fonseca R., Leyendecker S., van den Bedem H.:
  Frustration-guided motion planning reveals conformational transitions in proteins
  3DSIG (Orlando, Florida, April 17, 2016 - April 21, 2016)
• Gail T., Leyendecker S., Ober-Blöbaum S.:
  Variational multirate integration in multibody dynamics
  GAMM Annual Meeting (Braunschweig, March 7, 2016 - March 11, 2016)
  In: Proc. Appl. Math. Mech (PAMM) 2016
  DOI: 10.1002/pamm.201610015
• Glaas D., Leyendecker S.:
  Optimal feedback control for constrained mechanical systems
  GAMM Annual Meeting (Braunschweig, March 7, 2016 - March 11, 2016)
  In: Proc. Appl. Math. Mech. (PAMM) 2016
  DOI: 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, March 7, 2016 - March 11, 2016)
  In: Proc. Appl. Math. Mech. (PAMM) 2016
  DOI: 10.1002/pamm.201610016
• Koch M., Leyendecker S.:
  Structure preserving optimal control of a three-dimensional upright gait
  In: Multibody Dynamics, Springer International Publishing, 2016, p. 115-146 (Computational Methods in Applied Sciences)
  ISBN: 978-3-319-30612-4
  DOI: 10.1007/978-3-319-30614-8_6
• Kosmas O., Leyendecker S.:
  Analysis of higher order phase fitted variational integrators
  In: Advances in Computational Mathematics 42 (2016), p. 605-619
  ISSN: 1019-7168
  DOI: 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, May 29, 2016 - June 2, 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, March 7, 2016 - March 11, 2016)
  In: Proc. Appl. Math. Mech (PAMM) 2016
  DOI: 10.1002/pamm.201610364
• Leyendecker S.:
  Modelling and simulation of biological and artificial muscles
  International Inauguration Symposium (Muscle Research Center Erlangen (MURCE), July 21, 2016 - July 22, 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, p. 1-31
  DOI: 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, March 7, 2016 - March 11, 2016)
  In: Proc. Appl. Math. Mech (PAMM) 2016
  DOI: 10.1002/pamm.201610383
• Schlögl T., Leyendecker S.:
  Comparison of non-locking incompressible multi-field finite element models for dielectric actuators
  EuroEAP (Helsingoer, June 14, 2016 - June 15, 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, September 28, 2016 - September 30, 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, September 19, 2016 - September 25, 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, March 7, 2016 - March 11, 2016)
  In: Proc. Appl. Math. Mech (PAMM) 2016
  DOI: 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, June 5, 2016 - June 10, 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, March 23, 2015 - March 27, 2015)
  In: Proc. Appl. Math. Mech (PAMM) 2015
  DOI: 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, June 16, 2015 - June 19, 2015)
• Budday D., Leyendecker S., van den Bedem H.:
  Geometric analysis characterizes molecular rigidity in generic and non-generic protein configurations
  In: Journal of the Mechanics and Physics of Solids 83 (2015), p. 36-47
  ISSN: 0022-5096
  DOI: 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
  In: Numerische Mathematik 130 (2015), p. 73-123
  ISSN: 0029-599X
  DOI: 10.1007/s00211-014-0659-4
• 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, June 29, 2015 - July 2, 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, July 20, 2015 - July 23, 2015)
• Koch M., Leyendecker S.:
  Structure preserving optimal control of a 3d-dimensional upright gait
  ECCOMAS Thematic Conference on Multibody Dynamics (Barcelona, June 29, 2015 - July 2, 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, June 29, 2015 - July 2, 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, Mechanics and Computation, Stanford University (Palo Alto, California, March 19, 2015)
• Leyendecker S.:
  A discrete variational approach to hybrid dynamical systems and optimal control
  Invited lecture, Institut für Robotik, Johannes Kepler Universität Linz (Linz, February 11, 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, March 12, 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, November 23, 2015 - November 25, 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, March 30, 2015 - March 31, 2015)
• Ringkamp M., Ober-Blöbaum S., Leyendecker S.:
  Relaxing mixed integer optimal control problems using a time transformation
  ECCOMAS (Barcelona, June 29, 2015 - July 2, 2015)
• Ringkamp M., Ober-Blöbaum S., Leyendecker S.:
  Relaxing mixed integer optimal control problems using a time transformation
  GAMM Annual Meeting (Lecce, March 23, 2015 - March 27, 2015)
  In: Proc. Appl. Math. Mech (PAMM) 2015
  DOI: 10.1002/pamm.201510008
• Schlögl T., Leyendecker S.:
  Electrostatic-viscoelastic finite element model of dielectric actuators
  In: Computer Methods in Applied Mechanics and Engineering 299 (2015), p. 421-439
  ISSN: 0045-7825
  DOI: 10.1016/j.cma.2015.10.017
  URL: http://www.sciencedirect.com/science/article/pii/S0045782515003461
• Schlögl T., Leyendecker S.:
  Modelling and simulation of dielectric elastomer actuated multibody systems
  EuroEAP (Tallinn, June 9, 2015 - June 10, 2015)
• Schlögl T., Leyendecker S.:
  On electrostatic-viscoelastic simulation of dielectric actuators
  GAMM Annual Meeting (Lecce, May 23, 2015 - May 27, 2015)
  In: Proc. Appl. Math. Mech. (PAMM) 2015
  DOI: 10.1002/pamm.201510201

2014

• Budday D., Leyendecker S., van den Bedem H.:
  Characterizing rigidity in biomolecules with geometric tools
  BaMBA 9 (California, November 22, 2014 - November 22, 2014)
• Gail T., Leyendecker S., Ober-Blöbaum S.:
  Limitations of computing time savings in variational multirate schemes
  GAMM Annual Meeting (Erlangen, March 10, 2014 - March 14, 2014)
  In: Proc. Appl. Math. Mech (PAMM) 2014
  DOI: 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, June 30, 2014 - July 3, 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
  In: International Journal for Numerical Methods in Engineering 100 (2014), p. 871-913
  ISSN: 0029-5981
  DOI: 10.1002/nme.4764
• Koch M., Leyendecker S.:
  A structure preserving approach to the simulation of non-smooth dynamics
  GAMM Annual Meeting (Erlangen, March 10, 2014 - March 14, 2014)
  In: Proc. Appl. Math. Mech. (PAMM) 2014
  DOI: 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, August 28, 2014 - August 31, 2014)
• Kosmas O., Leyendecker S.:
  Stability analysis of high order phase fitted variational integrators
  Proceedings of WCCM XI - ECCM V - ECFD VI (Spain, July 20, 2014 - July 25, 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, March 10, 2014 - March 14, 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, March 10, 2014 - March 14, 2014)
  In: Proc. Appl. Math. Mech. (PAMM) 2014
  DOI: 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, July 20, 2014 - July 25, 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, p. 175-203
  DOI: 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, August 16, 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, June 20, 2014 - June 25, 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, December 11, 2014 - December 20, 2014)
• Ringkamp M., Ober-Blöbaum S., Leyendecker S.:
  Discrete mechanics and mixed integer optimal control of dynamical systems
  GAMM Annual Meeting (Erlangen, March 10, 2014 - March 14, 2014)
  In: Proc. Appl. Math. Mech (PAMM) 2014
  DOI: 10.1002/pamm.201410440
• Schlögl T., Leyendecker S.:
  Electrostatic-elastodynamic finite element modelling of stacked dielectric actuators
  EuroEAP (Linköping, June 10, 2014 - June 11, 2014)
• Schlögl T., Leyendecker S.:
  Variational formulation and finite element modelling of electrostatic-elastodynamic coupling
  GAMM Annual Meeting (Erlangen, March 10, 2014 - March 14, 2014)
  In: Proc. Appl. Math. Mech. (PAMM) 2014
  DOI: 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, June 30, 2014 - July 3, 2014)
  In: Proceedings of the IMSD 2014

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, March 18, 2013 - March 22, 2013)
  In: Proc. Appl. Math. Mech (PAMM) 2013
  DOI: 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, July 1, 2013 - July 4, 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, March 18, 2013 - March 22, 2013)
  In: Proc. Appl. Math. Mech (PAMM) 2013
  DOI: 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
  DOI: 10.1002/pamm.201310017
• Koch M., Leyendecker S.:
  Energy momentum consistent force formulation for the optimal control of multibody systems
  In: Multibody System Dynamics 29 (2013), p. 381-401
  ISSN: 1384-5640
  DOI: 10.1007/s11044-012-9332-9
• Koch M., Leyendecker S.:
  Optimal control of monopedal jumping movements
  GAMM Annual Meeting (Novi Sad, March 18, 2013 - March 22, 2013)
  In: Proc. Appl. Math. Mech (PAMM) 2013
  DOI: 10.1002/pamm.201310267
• Koch M., Leyendecker S.:
  Optimal control of monopedal jumping movements
  ECCOMAS Thematic Conference on Mutlibody Dynamics (Zagreb, July 1, 2013 - July 4, 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, July 1, 2013 - July 4, 2013)
  In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2013
• Koch M., Leyendecker S.:
  Structure preserving simulation of monopedal jumping
  In: Archive of Mechanical Engineering LX (2013), p. 127-146
  ISSN: 0004-0738
  DOI: 10.2478/meceng-2013-0008
• Koch M., Leyendecker S.:
  Structure preserving simulation of non-smooth dynamics and optimal control
  Bayerisch Tirolerisches Mechanik Kolloquium (Erlangen, November 23, 2013 - November 23, 2013)
• Kosmas O., Leyendecker S.:
  On frequency estimations in phase fitted variational integrators
  GAMM Annual Meeting (Novi Sad, March 18, 2013 - March 22, 2013)
  In: Proc. Appl. Math. Mech (PAMM) 2013
  DOI: 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, July 1, 2013 - July 4, 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, December 18, 2013)
• Leyendecker S.:
  BIOSOL, Ohm-Krabbler und künstliche Muskeln
  Statusseminar Bionik in Bayern (Nürnberg, November 28, 2013)
• Leyendecker S., Ober-Blöbaum S.:
  A Variational Approach to Multirate Integration for Constrained Systems
  In: Samin JC, Fisette P (ed.): Multibody Dynamics, Netherland: Springer, 2013, p. 97 - 121 (Computational Methods and Applications, Vol.28)
  ISBN: 978-94-007-5403-4
  DOI: 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, September 16, 2013 - September 20, 2013)
• Leyendecker S., Pekarek D., Marsden JE.:
  Structure Preserving Optimal Control of Three-Dimensional Compass Gait
  In: Mombaur K, Berns K (ed.): Modeling, Simulation and Optimization of Bipedal Walking, Berlin Heidelberg: Springer, 2013, p. 99-116 (Cognitive Systems Monographs, Vol.18)
  DOI: 10.1007/978-3-642-36368-9_8
• Maas R., Leyendecker S.:
  Biomechanical optimal control of human arm motion
  In: Proceedings of the Institution of Mechanical Engineers Part K-Journal of Multi-Body Dynamics 227 (2013), p. 375-389
  ISSN: 1464-4193
  DOI: 10.1177/1464419313488363
• Maas R., Leyendecker S.:
  Dynamics of muscle paths in biomechanical simulations
  GAMM Annual Meeting (Novi Sad, March 18, 2013 - March 22, 2013)
  In: Proc. Appl. Math. Mech (PAMM) 2013
  DOI: 10.1002/pamm.201310021
• Maas R., Leyendecker S.:
  Muscle paths in biomechanical multibody simulations
  ECCOMAS Thematic Conference on Mutlibody Dynamics (Zagreb, July 1, 2013 - July 4, 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, April 11, 2013 - April 14, 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, June 25, 2013 - June 26, 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, June 25, 2013 - June 26, 2013)
• Ringkamp M., Leyendecker S., Ober-Blöbaum S.:
  Multiobjective optimal control of a four body kinematic chain
  GAMM Annual Meeting (Novi Sad, March 18, 2013 - March 22, 2013)
  In: Proc. Appl. Math. Mech (PAMM) 2013
  DOI: 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, July 1, 2013 - July 4, 2013)
  In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2013

2012

• Johnson G., Ortiz M., Leyendecker S.:
  A linear programming-based algorithm for the signed separation of (non-smooth) convex bodies
  In: Computer Methods in Applied Mechanics and Engineering 232-236 (2012), p. 49-67
  ISSN: 0045-7825
  DOI: 10.1016/j.cma.2012.04.006
• Koch M., Leyendecker S.:
  Structure preserving simulation of monopedal jumping
  GAMM Annual Meeting (Darmstadt, March 26, 2012 - March 30, 2012)
  In: Proc. Appl. Math. Mech (PAMM) 2012
  DOI: 10.1002/pamm.201210027
• Koch M., Leyendecker S.:
  Structure preserving simulation of monopedal jumping
  Second Joint International Conference on Multibody System Dynamics (Stuttgart, May 29, 2012 - June 1, 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, September 19, 2012 - September 25, 2012)
  In: AIP Conference Proceedings 2012
  DOI: 10.1063/1.4756679
• Kosmas O., Leyendecker S.:
  Phase lag analysis of variational integrators using interpolation techniques
  GAMM Annual Meeting (Darmstadt, March 26, 2012 - March 30, 2012)
  In: Proc. Appl. Math. Mech. (PAMM) 2012
  DOI: 10.1002/pamm.201210327
• Leyendecker S.:
  Variational collision integrators in forward dynamics and optimal control
  Invited lecture, Chair of Mechanics and Robotics, University of Duisburg-Essen (Duisburg, June 13, 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, May 22, 2012 - May 25, 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, May 29, 2012 - June 1, 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, March 26, 2012 - March 30, 2012)
  In: Proc. Appl. Math. Mech (PAMM) 2012
  DOI: 10.1002/pamm.201210030
• Leyendecker S., Koch M., Hartmann C.:
  Variational collision integrator for polymer chains
  In: Journal of Computational Physics (2012)
  ISSN: 0021-9991
  DOI: 10.1016/j.jcp.2012.01.017
• Maas R., Leyendecker S.:
  Optimal control of biomechanical motion using physiologically motivated cost functions
  2nd Joint International Conference on Multibody System Dynamics (Stuttgart, May 29, 2012 - June 1, 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, March 26, 2012 - June 30, 2012)
  In: Proc. Appl. Math. Mech (PAMM) 2012
  DOI: 10.1002/pamm.201210041
• Ober-Blöbaum S., Leyendecker S.:
  Construction and analysis of variational multirate integrators
  Invited lecture, GAMM Annual Meeting (Darmstadt, March 26, 2012 - March 30, 2012)
• 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, October 26, 2012 - October 27, 2012)
  In: Antonia B. Kesel, Doris Zehren (ed.): 6. Bremer Bionik Kongress - Tagungsbeiträge 2012

2011

• Koch M., Leyendecker S.:
  Optimal control of multibody dynamics with contact
  GAMM Annual Meeting (Graz, April 18, 2011 - April 21, 2011)
  In: Proc. Appl. Math. Mech (PAMM) 2011
  DOI: 10.1002/pamm.201110017
• Koch M., Leyendecker S.:
  Structure preserving simulation of compass gait and monopedal jumping
  ECCOMAS Thematic Conference on Mutlibody Dynamics (Brussels, July 4, 2011 - July 7, 2011)
  In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2011
• Leyendecker S.:
  On optimal control simulations for mechanical systems (Habilitation, 2011)
  URL: https://www.ltd.tf.fau.de/files/2020/06/habilitationsschrift_leyendecker.pdf
• Leyendecker S.:
  Optimisation and optimal control of multibody dynamics
  Invited lecture (Multibody System Dynamics, Robotics and Control Workshop, Linz, August 26, 2011 - August 27, 2011)
• Leyendecker S.:
  Simulationsmethoden für Optimalsteuerungsprobleme in der Mechanik
  Antrittsvorlesung, Department of Mechanical Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg (Erlangen, July 22, 2011)
  (anderer)
• Leyendecker S.:
  Structure preserving simulation methods for constrained dynamical systems and their optimal control
  (2011)
  (Working Paper)
• Leyendecker S., Koch M., Maas R.:
  Optimisation and optimal control of multibody dynamics
  EUROMECH Colloquium 522 (Erlangen, August 10, 2011 - August 13, 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
  Applied Dynamics and Geometric Mechanics workshop (Oberwolfach, August 14, 2011 - August 20, 2011)
• Leyendecker S., Ober-Blöbaum S.:
  A variational approach to multirate integration for constrained systems
  ECCOMAS Thematic Conference on Mutlibody Dynamics (Brussels, July 4, 2011 - July 7, 2011)
  In: Proceedings of the ECCOMAS Thematic Conference on Mutlibody Dynamics 2011
• Leyendecker S., Ober-Blöbaum S.:
  Variational multirate integration of constrained dynamics
  GAMM Annual Meeting (Graz, April 18, 2011 - April 21, 2011)
  In: Proc. Appl. Math. Mech (PAMM) 2011
  DOI: 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, March 9, 2012 - March 12, 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
  In: Biomechanics and modeling in mechanobiology Volume 11 (2011), p. 543-556
  ISSN: 1617-7940
  DOI: 10.1007/s10237-011-0332-0
• Maas R., Siebert T., Leyendecker S.:
  Structure preserving simulation of muscle actuated movements
  GAMM Annual Meeting (Graz, April 18, 2011 - April 21, 2011)
  In: Proc. Appl. Math. Mech (PAMM) 2011
  DOI: 10.1002/pamm.201110042
• Ober-Blöbaum S., Leyendecker S.:
  Variational integration of constrained dynamics on different time scales
  International Conference on Simulation Technology (Stuttgart, July 14, 2011 - July 17, 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, May 16, 2010 - May 21, 2010)
• Jung P., Leyendecker S., Linn J., Ortiz M.:
  A discrete mechanics approach to Cosserat rod theory - Part I: static equilibria
  In: International Journal for Numerical Methods in Engineering Vol. 85 (2010), p. 31-60
  ISSN: 0029-5981
  DOI: 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, May 16, 2010 - May 21, 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
  DOI: 10.1002/pamm.201010014
• Leyendecker S.:
  Optimal control of multibody dynamics with uncertainties
  Jahrestagung der Deutschen Mathematiker-Vereinigung (DMV) (Munich, March 8, 2010 - March 11, 2010)
• Leyendecker S.:
  Structure preserving methods in computational multibody dynamics and optimal control
  Invited lecture, Control Systems Group, University of Kaiserslautern (Kaiserslautern, February 5, 2010)
• Leyendecker S., Lucas LJ., Owhadi H., Ortiz M.:
  Certification with optimal control strategies
  GAMM Annual Meeting (Karlsruhe, March 22, 2010 - March 26, 2010)
  In: Proc. Appl. Math. Mech. (PAMM) 2010
  DOI: 10.1002/pamm.201010303
• Leyendecker S., Lucas LJ., Owhadi H., Ortiz M.:
  Optimal control strategies for robust certification
  In: Journal of Computational and Nonlinear Dynamics Volume 5 (2010), p. 031008
  ISSN: 1555-1423
  DOI: 10.1115/1.4001375
• Leyendecker S., Maas R.:
  Über diskrete Mechanik und Optimalsteuerung menschlicher Fingerbewegungen
  Bayerisch-Tirolerisches Mechanik-Kolloquium (Erlangen, June 26, 2010)
• Leyendecker S., Ober-Blöbaum S., Marsden JE., Ortiz M.:
  Discrete mechanics and optimal control for constrained systems
  In: Optimal Control Applications & Methods 31 (2010), p. 505-528
  ISSN: 0143-2087
  DOI: 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, May 25, 2010 - May 27, 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, March 22, 2010 - March 26, 2010)
  In: Proc. Appl. Math. Mech. (PAMM) 2010
  DOI: 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, November 24, 2010 - November 26, 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, May 16, 2010 - May 21, 2010)
• Ober-Blöbaum S., Leyendecker S.:
  A Variational Approach to Multirate Integration
  First International Workshop on Set Oriented Numerics (Mexico City, November 3, 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, June 28, 2009 - July 2, 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, August 30, 2009 - September 2, 2009)
  In: Proceedings of the 7th International Conference on Multibody Systems, Nonlinear Dynamics and Control. 2009
  DOI: 10.1115/DETC2009-87198
• Leyendecker S.:
  Discrete mechanics in space-time integration and optimal control
  Invited lecture, Colloquium about applied Mathematics, University of Göttingen, (Göttingen, May 19, 2009)
• Leyendecker S.:
  Structure preserving methods in computational multibody dynamics and optimal control
  Invited lecture, Numerical Analysis Group, NTNU Trondheim (Trondheim, December 10, 2009)
• Leyendecker S.:
  Structure preserving methods in computational multibody dynamics and optimal control
  Invited lecture, Institute of Applied Mechanics, University of Erlangen-Nuremberg (Erlangen, December 21, 2009)
• Leyendecker S.:
  Structure preserving optimal control of three-dimensional compass gait
  (2009)
  (Working Paper)
• Leyendecker S.:
  Variational integrators in contact problems
  Invited lecture, Mathematics Institute, Biocomputing Group, Free University of Berlin (Berlin, March 24, 2009)
• Leyendecker S.:
  Variationsintegratoren in der Optimalsteuerung von Mehrkörperdynamik
  Invited lecture, Kolloquium Institut für Mechanik und Regelungstechnik, Universität Siegen (Siegen, June 23, 2009)
• Leyendecker S., Pekarek D., Marsden JE.:
  Optimal control of a three-dimensional compass biped walker
  Africomp 2009 (Sun City, January 7, 2009 - January 11, 2009)
• Schmidt B., Leyendecker S., Ortiz M.:
  Gamma-convergence of variational integrators for constrained systems
  In: Journal of Nonlinear Science 19 (2009), p. 1432-1467
  ISSN: 0938-8974
  DOI: 10.1007/s00332-008-9030-1

2008

• Leyendecker S.:
  Consistent simulation and optimal control of multibody dynamics
  Invited lecture, Department of Mechanical, Aerospace & Nuclear Engineering, Rensselaer Polytechnic Institute, Troy (New York, February 26, 2008)
• Leyendecker S.:
  Discrete mechanics and optimal control of multibody dynamics
  Invited lecture, Institute of Applied Mechanics, University of Erlangen- Nuremberg (Erlangen, December 1, 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, April 2, 2008)
• Leyendecker S.:
  Structure preserving simulation and optimal control of multibody dynamics
  Invited lecture, SimTech JP-Conference, University of Stuttgart (Stuttgart, May 29, 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, July 15, 2008)
• Leyendecker S.:
  Variational integrators in discrete time and space mechanics
  Invited lecture, Mathematics Institute, AG Kornhuber, Free University of Berlin (Berlin, November 24, 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
  In: Multibody System Dynamics Volume 19 (2008), p. 45-72
  ISSN: 1384-5640
  DOI: 10.1007/s11044-007-9056-4
• Leyendecker S., Marsden JE., Ortiz M.:
  Variational integrators for constrained dynamical systems
  In: ZAMM - Zeitschrift für angewandte Mathematik und Mechanik 88 (2008), p. 677-708
  ISSN: 0044-2267
  DOI: 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, March 17, 2008 - March 22, 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, June 30, 2008 - July 5, 2008)
• Leyendecker S., Pekarek D.:
  Dynamic optimisation of a three-dimensional compass gait biped
  The Fourth Annual Structured Integrators Workshop (Palo Alto, California, April 24, 2008 - April 25, 2008)
• Leyendecker S., Pekarek D., Ober-Blöbaum S.:
  Dynamic optimisation of a three-dimensional walker
  Applied Dynamics and Geometric Mechanics workshop (Oberwolfach, July 20, 2008 - July 26, 2008)

2007

• Leyendecker S.:
  Conserving discrete constrained multibody dynamics
  Invited lecture, Division of Engineering and Applied Science, California Institute of Technology (Pasadena, California, February 28, 2007)
• Leyendecker S.:
  Efficient integration and optimal control for constrained multibody dynamics
  Invited lecture, Faculty of Mechanical Engineering, University of Karlsruhe (Karlsruhe, July 12, 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, March 8, 2007)
• Leyendecker S.:
  Mechanical integration and optimal control of constrained multibody dynamics
  Invited lecture, Mechanical Engineering Seminar, California Institute of Technology (Pasadena, California, October 9, 2007)
• Leyendecker S.:
  Variational integrators and optimal control of constrained systems
  The Third Annual Structured Integrators Workshop (Los Angeles, California, April 30, 2007 - May 1, 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, July 16, 2007 - July 20, 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, July 23, 2007 - July 26, 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, September 4, 2077 - September 7, 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
  In: International Journal for Numerical Methods in Engineering 67 (2006), p. 499-552
  ISSN: 0029-5981
  DOI: 10.1002/nme.1639
• Betsch P., Leyendecker S., Steinmann P.:
  Objective Energy-Momentum Conserving Integration for the Constrained Dynamics of Geometrically Exact Beams
  In: Computer Methods in Applied Mechanics and Engineering 195 (2006), p. 2313-2333
  ISSN: 0045-7825
  DOI: 10.1016/j.cma.2005.05.002
• Leyendecker S.:
  Mechanical integrators for constrained dynamical systems in flexible multibody dynamics
  Solid mechanics group seminar (Los Angeles, California, August 27, 2006)
• Leyendecker S.:
  Mechanical integrators for constrained dynamical systems in flexible multibody dynamics (Dissertation, 2006)
  URL: 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, December 7, 2006 - December 8, 2006)
• Leyendecker S., Betsch P.:
  Energy-momentum integration of multibody dynamics
  7th World Congress on Computational Mechanics (Los Angeles, California, July 16, 2006 - July 22, 2006)
• Leyendecker S., Betsch P., Steinmann P.:
  A computational approach to nonlinear dynamics of constrained dynamical systems
  6th European Solid Mechanics Conference (Budapest, August 28, 2006 - September 1, 2006)
• Leyendecker S., Betsch P., Steinmann P.:
  Efficient integration of flexible multibody dynamics
  GAMM Annual Meeting (Berlin, March 28, 2006 - March 31, 2006)
  In: Proc. Appl. Math. Mech. (PAMM) 2006
  DOI: 10.1002/pamm.200610030
• 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, June 5, 2006 - June 8, 2006)
  In: Proceedings of the III European Conference on Computational Mechanics Solids, Structures and Coupled Problems in Engineering 2006
• Leyendecker S., Betsch P., Steinmann P.:
  Mechanical integrators for nonlinear flexible multibody dynamics
  Dynamics’ day (Kaiserslautern, July 4, 2006)

2005

• Leyendecker S., Betsch P., Steinmann P.:
  Conserving integration of constrained geometrically nonlinear beam dynamics
  6th Conference on Structural Dynamics, EURODYN05 (Paris, September 4, 2005 - September 7, 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, July 11, 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, June 21, 2005 - June 24, 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, March 29, 2005 - April 1, 2005)
  In: Proc. Appl. Math. Mech. (PAMM) 2005
  DOI: 10.1002/pamm.200510080
• Leyendecker S., Betsch P., Steinmann P.:
  The discrete null space method for multibody dynamics - an application to closed loop systems
  CD-ROM (Chennai, India, December 1, 2006 - December 6, 2006)
  In: Proceedings of the International Conference on Computational & Experimental Engineering and Sciences 2005
• 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, August 26, 2005 - August 28, 2005)

2004

• Leyendecker S., Betsch P., Steinmann P.:
  Mechanical Integrators for Constrained Dynamics of Geometrically Exact Beams
  GAMM Annual Meeting (Dresden, March 21, 2004 - March 27, 2004)
  In: Proc. Appl. Math. Mech. (PAMM) 2004
  DOI: 10.1002/pamm.200410153
• Leyendecker S., Betsch P., Steinmann P.:
  Mechanical integrators for constrained Hamiltonian systems
  2nd International Workshop on Continuum Mechanics (Sterzing, March 6, 2004 - March 9, 2004)
• Steinmann P., Betsch P., Leyendecker S.:
  Energy-conserving integration of constrained Hamiltonian systems – a comparison of approaches
  In: Computational Mechanics 33 (2004), p. 174-185
  ISSN: 0178-7675
  DOI: 10.1007/s00466-003-0516-2

2003

• Lauer S., Betsch P., Steinmann P.:
  Mechanical integrators for constrained mechanical systems
  GAMM Annual Meeting (Padua, March 24, 2003 - March 28, 2003)
  In: Proc. Appl. Math. Mech. (PAMM) 2003
• Leyendecker S.:
  Mechanische Integratoren für zwei Arten von Gleichungen für Bewegungen mit Zwangsbedingungen
  Seminar für Mechanik (Kaiserslautern, May 8, 2003)
• Leyendecker S., Betsch P., Steinmann P.:
  Conserving integration schemes for constrained mechanical systems
  5th International Congress on Industrial and Applied Mathematics, ICIAM (Sydney, July 7, 2003 - July 11, 2003)