[PDF][PDF] An overview of variational integrators
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 …
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 …
Hamiltonian partial differential equations. The emphasis is on variational, symplectic and …
Energy conservation issues in the numerical solution of the semilinear wave equation
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 …
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 …
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 …
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 …
the numerical integration. In this paper, we concentrate on the nonlinear wave and …
Geometric computational electrodynamics with variational integrators and discrete differential forms
In this paper, we develop a structure-preserving discretization of the Lagrangian framework
for electrodynamics, combining the techniques of variational integrators and discrete …
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 …
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 …
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 …
dynamics is considered, with the vehicle dynamics restricted to horizontal motion. The paper …