Coupling of the boundary element method and the scaled boundary finite element method for computations in fracture mechanics

被引：27

作者：

Chidgzey, S. R. ^{[2
]}

Trevelyan, J. ^{[1
]}

Deeks, A. J. ^{[2
]}

机构：

[1] Univ Durham, Sch Engn, Durham DH1 3LE, England

[2] Univ Western Australia, Sch Civil & Resource Engn, Crawley, WA 6009, Australia

来源：

COMPUTERS & STRUCTURES | 2008年 / 86卷 / 11-12期

关键词：

BEM; scaled boundary FEM; coupling; fracture mechanics;

D O I：

10.1016/j.compstruc.2007.11.007

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper introduces an algorithm for coupling the boundary element method and the scaled boundary finite element method. Although the particular application concerns the determination of stress intensity factors at crack tips, the approach is general in nature. The motivation for the work is the combination of the semi-analytical solution accuracy of the SBFEM with the geometric flexibility of the BEM for general engineering usage. The paper presents the development of the algorithm along similar lines to FEM/BEM coupling approaches. Example problems verify the accuracy of the approach, even for coarse discretisations, and demonstrate excellent convergence properties of the algorithm. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：1198 / 1203

页数：6

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