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

页码：2001 / 2017

页数：17

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