Martin-Luther-Universität Halle-Wittenberg

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Newsarchiv: Aktuelles

Jahr 2017

Tagungsbeiträge, Vorträge

  • 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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