A NEW FINITE-ELEMENT FORMULATION FOR ALE (ARBITRARY LAGRANGIAN-EULERIAN) COMPRESSIBLE FLUID-MECHANICS

被引：14
|
作者：
VENKATASUBBAN, CS
机构：
[1] Computational Mechanics Co. Inc., Austin, TX 78752, 7701 North Lamar Boulevard
来源：
INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE | 1995年 / 33卷 / 12期
关键词：
D O I：
10.1016/0020-7225(95)00021-O
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new formulation for the ALE (Arbitrary Lagrangian Eulerian) equations describing a compressible fluid Row in terms of a moving mesh system is presented. An important consequence of this formulation is the elimination of all terms involving grid dilatation. For finite element calculation of compressible flows with shocks, SUPG (Streamline Upwind Petrov-Galerkin) type stabilization (i.e. artificial viscosity) terms are derived for the first time for this class of problem. This approach has led to a highly robust computational method for the treatment of multi-body fluid mechanics.
引用
收藏
页码：1743 / 1762
页数：20
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