Numerical simulation of a multi-store separation phenomenon:: A fictitious domain approach

被引：9

作者：

Glowinski, Roland

Pan, Tsorng-Whay ^{[1
]}

Periaux, Jacques

机构：

[1] Univ Houston, Dept Math, Houston, TX 77204 USA

[2] Univ Paris 06, F-75252 Paris 05, France

[3] Univ Politecn Cataluna, CIMNE, Barcelona 08034, Spain

[4] UPMC, F-92552 St Cloud, France

来源：

COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 2006年 / 195卷 / 41-43期

基金：

美国国家科学基金会;

关键词：

store separation; fictitious domain method; distributed Lagrange multipliers; operator-splitting methods; finite element methods;

D O I：

10.1016/j.cma.2005.09.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this article we discuss the numerical simulation of multi-store separation phenomena taking place in incompressible Newtonian viscous fluids. We assume that these phenomena are modeled by the Navier-Stokes equations coupled to the Euler-Newton equations describing solid rigid body motions. The numerical methodology relies on the combination of a finite element approximation with time-discretization by operator-splitting and a Lagrange multiplier based fictitious domain method allowing the flow calculations to take place in a fixed simple shape space region. The results of numerical experiments are presented; they concern the separation and free fall of elongated ellipsoids under an airfoil shaped cylinder. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：5566 / 5581

页数：16

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