Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
521175 | Journal of Computational Physics | 2013 | 19 Pages |
Abstract
In this paper we present a new algorithm based on Cartesian meshes for the numerical approximation of kinetic models set in an arbitrary geometry. Due to the high dimensional property of kinetic models, numerical algorithms based on unstructured meshes are not really appropriate since most of numerical methods (semi-Lagrangian, spectral methods) are particularly efficient on structured grids. Here we propose to adapt the inverse Lax–Wendroff procedure, which has been recently introduced for conservation laws [21], for kinetic equations. Numerical simulations in 1D×3D1D×3D and 2D×3D2D×3D based on this approach are proposed for Boltzmann type operators (BGK, ES-BGK models).
Keywords
Related Topics
Physical Sciences and Engineering
Computer Science
Computer Science Applications
Authors
Francis Filbet, Chang Yang,