STABILIZED FINITE ELEMENT FORMULATION WITH DOMAIN DECOMPOSITION FOR INCOMPRESSIBLE FLOWS

被引:2
|
作者
Becker, Roland [1 ]
Capatina, Daniela [1 ]
Luce, Robert [1 ]
Trujillo, David [1 ]
机构
[1] Univ Pau, IPRA, CNRS, LMAP,UMR 5142, F-64013 Pau, France
来源
SIAM JOURNAL ON SCIENTIFIC COMPUTING | 2015年 / 37卷 / 03期
关键词
incompressible flows; Navier-Stokes equations; Euler equations; finite element method; SUPG stabilization; domain decomposition; Nitsche's method; NAVIER-STOKES EQUATIONS;
D O I
10.1137/140975796
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We develop a robust finite element method with domain decomposition for incompressible flows, allowing for control of the kinetic energy. First, we introduce a streamline upwind Petrov-Galerkin stabilization, which preserves the scaling of the Navier-Stokes equations and yields robustness with respect to the Peclet number. In view of parallelization, we then generalize the method in order to take into account several subdomains with independent finite element spaces, discontinuous at the interfaces. The interface conditions are treated by a generalized Nitsche-type method, also respecting the correct scaling. Detailed numerical experiments are presented in order to confirm robustness of the method and study its dependence on the different numerical parameters.
引用
收藏
页码:A1270 / A1296
页数:27
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