Mid-frequency structural acoustic and vibration analysis in arbitrary, curved three-dimensional domains

被引：25
|
作者：
Dey, S [1 ]
Shirron, JJ [1 ]
Couchman, LS [1 ]
机构：
[1] USN, Res Lab, Washington, DC 20375 USA
来源：
COMPUTERS & STRUCTURES | 2001年 / 79卷 / 06期
基金：
美国国家航空航天局;
关键词：
hp-finite elements; infinite elements; fluid-structure interaction; structural acoustics;
D O I：
10.1016/S0045-7949(00)00167-X
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A high-order finite element infrastructure is described for the numerical solution of the vibratory response of fluid-structure systems in the mid-frequency range. Underlying variational forms along with the use of an unstructured, topology-based, variable-degree, polymorphic finite element discretization scheme is described. Accurate numerical solutions to practical problems, including rigid and elastic acoustic scattering and interior acoustics, are presented to demonstrate the accuracy and flexibility of the infrastructure. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：617 / 629
页数：13
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