Finite element computation of three-dimensional elastoacoustic vibrations

被引：55

作者：

Bermúdez, A ^{[1
]}

Hervella-Nieto, L

Rodríguez, R

机构：

[1] Univ Santiago de Compostela, Dept Matemat Aplicada, Santiago De Compostela, Spain

[2] Univ Concepcion, Dept Ingn Matemat, Concepcion, Chile

来源：

JOURNAL OF SOUND AND VIBRATION | 1999年 / 219卷 / 02期

关键词：

D O I：

10.1006/jsvi.1998.1873

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

In this paper, the interior elastoacoustic problem in a 3D domain is solved. Displacement variables are used for both the fluid and the solid. To avoid the typical spurious modes of this formulation, a non-standard discretization is used, consisting of classical linear tetrahedral finite element for the solid and Raviart-Thomas elements of lowest order for the fluid. A new unknown is introduced on the interface between solid and fluid to impose the transmission conditions. (C) 1999 Academic Press.

引用

页码：279 / 306

页数：28

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