Numerical Diffusion Control of a Space-Time Discontinuous Galerkin Method

被引：0

作者：

Borrel, Michel ^{[1
]}

Ryan, Juliette ^{[1
]}

机构：

[1] Off Natl Etud & Rech Aerosp, F-92322 Chatillon, France

来源：

COMMUNICATIONS IN COMPUTATIONAL PHYSICS | 2009年 / 5卷 / 2-4期

关键词：

Gas dynamics; aeroacoustics; discontinuous Galerkin discretization; Runge-Kutta schemes; numerical diffusion control; NAVIER-STOKES EQUATIONS; FINITE-ELEMENT METHOD; DYNAMIC GRID MOTION;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Variations on space-time Discontinuous Galerkin (STDG) discretization associated to Runge-Kutta schemes are developed. These new schemes while keeping the original scheme order can improve accuracy and stability. Numerical analysis is made on academic test cases and efficiency of these schemes are shown on propagating pressure waves.

引用

页码：469 / 483

页数：15

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