Displacement pressure based mixed finite element formulations for acoustic fluid-structure interaction problems

被引：0
|
作者：
Wang, XD [1 ]
Bathe, KJ [1 ]
机构：
[1] MIT, CAMBRIDGE, MA 02139 USA
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 1997年 / 40卷 / 11期
关键词：
acoustics; fluid-structure interactions; mixed formulations;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present reliable finite element discretizations based on displacement/pressure interpolations for the analysis of acoustic fluid-structure interaction problems. The finite element interpolations are selected using the inf-sup condition, and emphasis is given to the fact that the boundary conditions must satisfy the mass and momentum conservation. We show that with our analysis procedure no spurious non-zero frequencies are encountered, as heretofore calculated with other displacement-based discretizations. (C) 1997 by John Wiley & Sons, Ltd.
引用
收藏
页码：2001 / 2017
页数：17
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