Numerical solution of three-dimensional elastoacustic problems

被引：0
|
作者：
Bermudez, A
HervellaNieto, L
Rodriguez, R
机构：
来源：
NUMERICAL METHODS IN ENGINEERING '96 | 1996年
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper deals with the finite element approximation of the vibration modes of it 3D fluid-structure coupled system. Displacement variables are used for both, the fluid and the solid. To avoid the typical spurious modes of this formulation we introduce a non standard discretization following the 2D case analyzed in [1]. Error estimates for the approximation of eigenvalues and eigenvectors are given proving a double order for the convergence of the eigenfrecuencies.
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页码：874 / 880
页数：7
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