Boundary element analysis of vibro-acoustic interaction between vibrating membrane and thin fluid layer

被引：5

作者：

Karra, C ^{[1
]}

Ben Tahar, M ^{[1
]}

机构：

[1] Univ Technol Compiegne, Div Acoust & Vibrat Ind, Lab Genie Mecan Mat Struct, CNRS,UPRESA 6066, F-60205 Compiegne, France

来源：

FLOW TURBULENCE AND COMBUSTION | 1998年 / 61卷 / 1-4期

关键词：

acoustic radiation; visco-thermal fluid; fluid-structure interaction; integral equations; variational formulation; boundary element;

D O I：

10.1023/A:1026446021667

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents a variational formulation for the study of the acoustic propagation and radiation of a vibrating membrane coupled to a cavity filled with a visco-thermal fluid. This formulation is obtained by combining a variational formulation by integral equations of both internal and external fluids, which takes account of acoustic and entropic waves coupling, with a classical variational formulation of the membrane. Numerical results obtained by this new formulation are compared to those obtained when the viscous and thermal effects are not considered.

引用

页码：179 / 187

页数：9

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