Direct time integration of rigid body motion with discrete‐impulse midpoint approximation: explicit Newmark algorithms

P Krysl - Communications in Numerical Methods in …, 2006 - Wiley Online Library
We address time integration of computational mechanical models where the evaluation of
the forcing is expensive (molecular dynamics, for example), and hence we investigate …

Blended Time Integration Algorithms for Nonlinear Dynamics

S Dong - 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural …, 2010 - arc.aiaa.org
We present two time integration algorithms with second-order accuracy for nonlinear
elastodynamics. The first algorithm is a two-parameter family blending the second-order and …

Conservation properties of galerkin-based time-stepping schemes for finite elasto-plasto-dynamics

R Mohr, A Menzel, P Steinmann - … Plasticity-Fundamentals and …, 2007 - eprints.gla.ac.uk
The consideration of plastic deformations in a dynamical framework is a demanding task in
computational mechanics, compare also Armero 1, or Meng and Laursen 2. In this …

[HTML][HTML] High-order composite implicit time integration schemes based on rational approximations for elastodynamics

C Song, X Zhang - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
A new approach for developing implicit composite time integration schemes is established
starting with rational approximations of the matrix exponential in the solution of the …

Mixed variational finite elements for implicit simulation of deformables

T Trusty, D Kaufman, DIW Levin - SIGGRAPH Asia 2022 Conference …, 2022 - dl.acm.org
We propose and explore a new method for the implicit time integration of elastica. Key to our
approach is the use of a mixed variational principle. In turn, its finite element discretization …

[图书][B] Formulation and analysis of dissipative algorithms for nonlinear elastodynamics

IR Olleros - 2001 - search.proquest.com
In this dissertation we describe the formulation and analysis of a new class of time
integration schemes for nonlinear problems of elastodynamics. More specifically, we …

Inherently energy conserving time finite elements for classical mechanics

P Betsch, P Steinmann - Journal of Computational Physics, 2000 - Elsevier
In this paper, we develop a finite element method for the temporal discretization of the
equations of motion. The continuous Galerkin method is based upon a weighted-residual …

[PDF][PDF] Runge-Kutta methods for time integration in computational inelasticity-how to go beyond order 2

B Eidel, C Kuhn - … Congress on Computational Methods in Applied …, 2012 - researchgate.net
This paper reports on recent progress in higher-order time integration of inelastic flow rules
for both viscoelasticity and elasto-plasticity. The particular focus is on the consistent and …

Geometric interpretation of physical systems for improved elasticity simulations

L Kharevych - 2010 - thesis.library.caltech.edu
The physics of most mechanical systems can be described from a geometric viewpoint; ie,
by defining variational principles that the system obeys and the properties that are being …

Conserving time integrators for nonlinear elastodynamics

M Groß - 2004 - kluedo.ub.rptu.de
In this thesis, the enhanced Galerkin (eG) finite element method in time is presented. The eG
method leads to higher order accurate energy and momentum conserving time integrators …