Stable Interface Conditions for Discontinuous Galerkin Approximations of Navier-Stokes Equations

被引：0
|
作者：
Arunasalam Rahunanthan
Dan Stanescu
机构：
[1] Univ. of Wyoming,Department of Mathematics
[2] Univ. of Wyoming,Department of Mathematics and Institute for Scientific Computing
来源：
Journal of Scientific Computing | 2009年 / 41卷
关键词：
Discontinous Galerkin; Navier-Stokes; Stable interface conditions;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A study of boundary and interface conditions for Discontinuous Galerkin approximations of fluid flow equations is undertaken in this paper. While the interface flux for the inviscid case is usually computed by approximate Riemann solvers, most discretizations of the Navier-Stokes equations use an average of the viscous fluxes from neighboring elements. The paper presents a methodology for constructing a set of stable boundary/interface conditions that can be thought of as “viscous” Riemann solvers and are compatible with the inviscid limit.
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页码：118 / 138
页数：20
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