Unit-impulse response of unbounded medium by scaled boundary finite-element method

被引：21
|
作者：
Wolf, JP [1 ]
Song, CM [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Dept Civil Engn, Inst Hydraul & Energy, CH-1015 Lausanne, Switzerland
来源：
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 1998年 / 159卷 / 3-4期
关键词：
D O I：
10.1016/S0045-7825(97)00278-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To perform a dynamic analysis of a nonlinear structure interacting with an unbounded medium in the time domain, it is desirable to formulate the interaction forces of the unbounded medium on the structure-medium interface using displacements. The corresponding response matrix to a unit impulse of displacements is calculated using the scaled boundary finite-element method. This method, based solely on finite elements, is very suitable to model an unbounded medium, as the radiation condition at infinity is rigorously satisfied and the discretization is limited to the structure-medium interface. (C) 1998 Elsevier Science S.A.
引用
收藏
页码：355 / 367
页数：13
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