期刊
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
卷 194, 期 42-44, 页码 4528-4543出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2004.11.007
关键词
discontinuous Galerkin method; Lax-Wendroff type time discretization; Runge-Kutta method; limiter; WENO scheme; high order accuracy
In this paper we develop a Lax-Wendroff time discretization procedure for the discontinuous Galerkin method (LWDG) to solve hyperbolic conservation laws. This is an alternative method for time discretization to the popular total variation diminishing (TVD) Runge-Kutta time discretizations. The LWDG is a one step, explicit, high order finite element method. The limiter is performed once every time step. As a result, LWDG is more compact than Runge-Kutta discontinuous Galerkin (RKDG) and the Lax Wendroff time discretization procedure is more cost effective than the Runge-Kutta time discretizations for certain problems including two-dimensional Euler systems of compressible gas dynamics when nonlinear limiters are applied. (c) 2004 Elsevier B.V. All rights reserved.
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