[PDF][PDF] An overview of variational integrators

A Lew, JE Marsden, M Ortiz… - Finite element …, 1970 - authors.library.caltech.edu
The purpose of this paper is to survey some recent advances in variational integrators for
both finite dimensional mechanical systems as well as continuum mechanics. These …

Numerical methods for hamiltonian pdes

TJ Bridges, S Reich - Journal of Physics A: mathematical and …, 2006 - iopscience.iop.org
The paper provides an introduction and survey of conservative discretization methods for
Hamiltonian partial differential equations. The emphasis is on variational, symplectic and …

Energy conservation issues in the numerical solution of the semilinear wave equation

L Brugnano, GF Caccia, F Iavernaro - Applied Mathematics and …, 2015 - Elsevier
In this paper we discuss energy conservation issues related to the numerical solution of the
semilinear wave equation. As is well known, this problem can be cast as a Hamiltonian …

[图书][B] Variational integrators

M West - 2004 - search.proquest.com
Variational integrators are a class of discretizations for mechanical systems which are
derived by discretizing Hamilton's principle of stationary action. They are applicable to both …

[图书][B] Foundations of computational geometric mechanics

M Leok - 2004 - search.proquest.com
Geometric mechanics involves the study of Lagrangian and Hamiltonian mechanics using
geometric and symmetry techniques. Computational algorithms obtained from a discrete …

Conserved quantities of some Hamiltonian wave equations after full discretization

B Cano - Numerische Mathematik, 2006 - Springer
Hamiltonian PDEs have some invariant quantities, which would be good to conserve with
the numerical integration. In this paper, we concentrate on the nonlinear wave and …

Geometric computational electrodynamics with variational integrators and discrete differential forms

A Stern, Y Tong, M Desbrun, JE Marsden - Geometry, Mechanics, and …, 2015 - Springer
In this paper, we develop a structure-preserving discretization of the Lagrangian framework
for electrodynamics, combining the techniques of variational integrators and discrete …

General techniques for constructing variational integrators

M Leok, T Shingel - Frontiers of Mathematics in China, 2012 - Springer
The numerical analysis of variational integrators relies on variational error analysis, which
relates the order of accuracy of a variational integrator with the order of approximation of the …

The energy-preserving finite difference methods and their analyses for system of nonlinear wave equations in two dimensions

D Deng, D Liang - Applied Numerical Mathematics, 2020 - Elsevier
The coupled sine-Gordon (SG) equations and the coupled Klein-Gordon (KG) equations
play an important role in scientific fields, such as nonlinear optics, solid state physics …

Dynamic coupling between shallow-water sloshing and horizontal vehicle motion

HA Ardakani, TJ Bridges - European Journal of Applied Mathematics, 2010 - cambridge.org
The coupled motion between shallow-water sloshing in a moving vehicle and the vehicle
dynamics is considered, with the vehicle dynamics restricted to horizontal motion. The paper …