Analysis of fluid-structure interaction problems with structural buckling and large domain changes by ALE finite element method

被引:105
|
作者
Zhang, Q [1 ]
Hisada, T [1 ]
机构
[1] Univ Tokyo, Sch Frontier Sci, Bunkyo Ku, Tokyo 1130033, Japan
关键词
D O I
10.1016/S0045-7825(01)00231-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A 3D finite element analysis program is newly developed for fluid-structure interaction problems with structural buckling and large domain changes. An arbitrary Lagrangian-Eulerian (ALE) finite element method with automatic mesh-updating is formulated for large domain changes. In order to cope with the numerical instability caused by the buckling of a thin shell structure, a strong coupling strategy is adopted together with some stabilization techniques for fluids and structures. A few numerical examples, including the simulation of the pulsation of a 2D artifical heart and a 3D simplified model with structural buckling and large domain changes, are demonstrated to show the capability of the proposed methods. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:6341 / 6357
页数:17
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