An adaptive domain decomposition coupled finite element-boundary element method for solving problems in elasto-plasticity

被引：19
|
作者：
Elleithy, Wael [1 ]
Grzhibovskis, Richards [2 ]
机构：
[1] Johannes Kepler Univ Linz, Inst Computat Math, A-4040 Linz, Austria
[2] Univ Saarland, D-6600 Saarbrucken, Germany
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 2009年 / 79卷 / 08期
基金：
奥地利科学基金会;
关键词：
FEM; BEM; adaptive coupling; elasto-plasticity; GALERKIN BEM; FE METHODS; FORMULATIONS; ELASTICITY;
D O I：
10.1002/nme.2608
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The purpose of this paper is to present an adaptive finite element-boundary element method (FEM-BEM) coupling method that is valid for both two- and three-dimensional elasto-plastic analyses. The method takes care of the evolution of the elastic and plastic regions. It eliminates the cumbersome of a trial and error process in the identification of the FEM and BEM sub-domains in the standard FEM-BEM coupling approaches. The method estimates the FEM and BEM sub-domains and automatically generates/adapts the FEM and BEM meshes/sub-domains, according to the state of computation. The results for two- and three-dimensional applications in elasto-plasticity show the practicality and the efficiency of the adaptive FEM-BEM coupling method. Copyright (C) 2009 John Wiley & Sons, Ltd.
引用
收藏
页码：1019 / 1040
页数：22
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