Martin-Luther-Universität Halle-Wittenberg

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2019
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2018
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2017
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2016
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2015
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Weiteres

Newsarchiv: Aktuelles

Jahr 2019

Jahr 2019

- Vortrag beim 8th GACM Colloquium on Computational Mechanics,
Stefan Hante, Kassel, August 2019

  • Numerical and analytical aspects of measure differential inclusions from non-smooth mechanics,
    Manuela Paschkowski, Kassel, August 2019
  • Hidden constraints and their time-discrete counterparts
    Martin Arnold, ECCOMAS Thematic Conference on Multibody Dynamics, Duisburg, Juli 2019
  • Lie Group Variational Integrators for Constrained Mechanical Systems Applied to a Constrained Cosserat Rod Model,
    Stefan Hante, Martin Arnold, ECCOMAS Thematic Conference on Multibody Dynamics, Duisburg, Juli 2019
  • Victoria Wieloch, SciCADE, Innsbruck, Juli 2019
    Vortrag im Minisymposium Structural approaches for differential-algebraic systems
  • Helmut Podhaisky, SciCADE, Innsbruck, Juli 2019
  • Helmut Podhaisky, Conference NSIDE 2019, Gdansk, Juli 2019
  • The flying spaghetti: Geometric simulation of beams and rods
    Stefan Hante, TEDxUniHalle, Mai 2019
  • Orbital convergence of timestepping schemes for non-smooth mechanics,
    Manuela Paschkowski, DESCRIPTOR Workshop, Paderborn, März 2019
  • Lie group time integration for constrained mechanical systems: BLieDF for variable step sizes for k=2,
    Victoria Wieloch, DESCRIPTOR Workshop, Paderborn, März 2019
  • Helmut Podhaisky, Research stay at University of Zaozhuang, Teaching scientific computing with python
    University of Nanjing, Strong stability preserving general linear methods of high order
    Februar 2019
  • Improved initialization schemes for the time integration of constrained systems
    Martin Arnold, GAMM-Jahrestagung 2019, Wien, Februar 2019

Jahr 2018

Tagungsbeiträge, Vorträge



  • Three Lie group DAE time integration methods tested on a Cosserat rod model,
    Stefan Hante, Martin Arnold, NUMDIFF-15, Halle, September 2018
  • Diskretisierungen mit versetztem Gitter auf Lie-Gruppen mit Anwendungen in Balken- und Schalentheorie,
    Stefan Hante, Fachvortrag an der TU Chemnitz, Chemnitz, Juli 2018
  • Helmut Podhaisky, CMAM-8, Minsk, Juli 2018
  • Constrained systems in multibody dynamics,
    Martin Arnold, Invited keynote  lecture zur 5th Joint International Conference on Multibody System  Dynamics (IMSD2018), Lissabon, Juni 2018
  • Solvability and sensitivity analysis of measure differential inclusions, Manuela Paschkowski, Workshop Analysis and Numerical Approximation of Constrained Systems, GAMM-Fachausschuss Numerische Analysis, Sion, Schweiz, April 2018
  • Periodic solutions of measure differential inclusions,
    Manuela Paschkowski, Martin Arnold, GAMM Jahrestagung 2018, München, März 2018
  • Staggered grid discretizations on Lie groups with applications in beam and shell theory,
    Stefan Hante, Martin Arnold, GAMM Jahrestagung 2018, München, März 2018
  • BLieDF:Lie group time integration for constrained mechanical systems with large rotations,
    Martin Arnold, Stefan Hante, Victoria Wieloch, GAMM-Jahrestagung 2018, München, März 2018
  • On the composition of B-series under the simplifying assumption C(q), Helmut Podhaisky, ANODE 2018, Auckland, Februar 2018

Jahr 2017

Tagungsbeiträge, Vorträge

  • The SNiMoWrapper: An FMI-Compatible Testbed for      Numerical Algorithms in Co-Simulation,
    Stefan Hante, Martin Arnold, Markus Köbis, IUTAM      Symposium “Solver Coupling and Co-Simulation”, Darmstadt, September 2017
  • Zero stability of variable step size DAE integrators,
    Martin Arnold, V. Wieloch, SciCADE 2017, International Conference on Scientific Computation and Differential Equations, University of Bath (UK), September 2017
  • On the composition of B-Series and the simplifying assumption C(q),
    Helmut Podhaisky, SciCADE 2017, International Conference on  Scientific Computation and Differential Equations, University of Bath  (UK), September 2017
  • Lyapunov stability of measure di erential inclusions applications in nonsmooth mechanics with singular mass matrices,
    Manuela Paschkowski, Martin Arnold, European Dynamics Conference, Budapest (Ungarn), Juni 2017
  • Mathematical tools for the analysis of smooth and non-smooth systems with redundant constraints,
    Martin Arnold, Manuela Paschkowski, ECCOMAS Thematic Conference on Multibody Dynamics, Prag (Tschechien), Juni 2017
  • Stability bounds for step size ratios in variable time step implementations of Newmark integrators,
    Victoria Wieloch, Martin Arnold, ECCOMAS Thematic Conference on Multibody Dynamics, Prag (Tschechien), Juni 2017
  • Con figuration spaces with Lie Group structure: A novel
    approach and its application to a Cosserat beam model,
    Stefan Hante, Martin Arnold, GAMM-Jahrestagung 2017, Weimar,
    März 2017
  • Energy transfer from high frequency to low frequency modes in implicit time integration of nonlinear stiff mechanical systems,
    Martin Arnold, GAMM Jahrestagung 2017, Weimar, März 2017
  • Investigation of phenomena in the Western Baltic Sea: online coupling of ICON and GETM with ESMF³,
    Tobias Bauer, CW 2017, Princeton (NJ, USA), März 2017

Jahr 2016

Tagungsbeiträge, Vorträge

  • On the construction and analysis of general linear methods, On the composition of B-series and the simplifying assumption C(q),
    Helmut Podhaisky, ICNAAM,  Rodos (Griechenland), September 2016
  • Lie group time integration for constrained mechanical systems, Martin Arnold, Interdisziplinares Seminar Mathematik und Mechanik, Kaiserslautern, Juli 2016
  • Rechnen im Imaginären: Mit Quaternionen die Welt verdrehen, Martin Arnold, 15. Lange Nacht der Wissenschaften, Halle, Juli 2016
  • Global error recursion in terms of vector valued error terms,
    Martin Arnold, 5th Workshop on Stability and Discretization Issues in Di fferential Equations, Trieste (Italien), Juni 2016
  • Sti ff nonlinear potential forces in time integration,
    Martin Arnold, 4th Joint International Conference on Multibody System Dynamics, Montreal (Kanada), Juni 2016
  • Analysing and constructing high order G-symplectic methods,
    Helmut Podhaisky, Lund  (Schweden), Juni 2016 und Minsk (Weißrussland), September 2016
  • Land-ocean interaction mediated by coastal upwelling and sea breeze: online coupling of atmosphere and ocean models,
    Tobias Bauer, DCMIP 2016, Boulder (CO, USA), Juni 2016
  • Lie-Gruppen, Kabelbäume und di fferenzierbare Mannigfaltigkeiten, Martin Arnold, 27. IndustrieTag InformationsTechnologie (IT)2, Halle, Mai 2016
  • Solvability of initial value problems for multi-body systems with redundant unilateral constraints,
    Manuela Paschkowski, GAMM-Jahrestagung, Braunschweig, März 2016
  • Least squares approximations in the time integration of overdetermined di fferential-algebraic equations,
    Martin Arnold, GAMM-Jahrestagung, Braunschweig, März 2016
  • Two derivative SSP methods,
    Helmut Podhaisky, Auckland (Neuseeland), Januar 2016

Jahr 2015

Tagungsbeiträge, Vorträge



  • Variable step size implementation of a generalized- α
    Lie group integrator,
    Victoria Wieloch, Martin Arnold, NUMDIFF-14, Halle, September 2015
  • Unique solutions of initial value problems for mechanical systems with redundant unilateral constraints,
    Manuela Paschkowski, Martin Arnold, NUMDIFF-14, Halle, September 2015
  • Lie group time integration of a nonlinear geometrically exact Cosserat rod model,
    Stefan Hante, Martin Arnold, NUMDIFF-14, Halle, September 2015
  • Coupled error propagation in terms of vector valued
    error terms,
    Martin Arnold, NUMDIFF-14, Halle, September 2015
  • A pertubation analysis for the dynamical simulation
    of mechanical multibody systems,
    Martin Arnold, ECCOMAS Thematic Conference Multibody Dynamics, Barcelona(Spanien), Juli 2015
  • Effective order Runge-Kutta methods with free output,
    Helmut Podhaisky, John Butcher, NUMDIFF-14, Halle, September 2015
  • Functional Mockup Interface (FMI): A framework for
    modular time integration in nonlinear system dynamics,
    Martin Arnold, 4th Workshop on Parallel-in-Time Integration, Dresden, Mai 2015

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