Dynamic elastoplastic analysis by a hybrid BEM-FEM time-domain formulation

被引：7
|
作者：
Soares, D., Jr. [1 ]
机构：
[1] Univ Fed Juiz de Fora, Dept Struct Engn, BR-36036330 Juiz De Fora, MG, Brazil
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2008年 / 45卷 / 16期
关键词：
boundary element; finite element; hybrid formulation; plasticity; time-domain analysis;
D O I：
10.1016/j.ijsolstr.2008.03.022
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This study presents a hybrid BEM-FEM procedure for the dynamic analysis of elastoplastic models. In this hybrid approach, boundary node and internal point displacements are evaluated considering the time-domain BEM formulation (initial stress approach), and stresses are computed taking into account FEM techniques (domain discretization is only necessary where non-linear behaviour is expected to occur). This hybrid methodology is very appropriate to model infinite or semi-infinite elastoplastic models and, at the end of the paper, three numerical applications are presented, illustrating the potentialities of the proposed formulation. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4474 / 4483
页数：10
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