MODE III 2-D FRACTURE ANALYSIS BY THE SCALED BOUNDARY FINITE ELEMENT METHOD

被引：0

作者：

Shenshen Chen ^{[1
]}

Qinghua Li ^{[1
]}

Yinghua Liu ^{[2
]}

Zhiqing Xue ^{[1
]}

机构：

[1] College of Civil Engineering,Hunan University of Technology

[2] Department of Engineering Mechanics,School of Aerospace,Tsinghua University

来源：

Acta Mechanica Solida Sinica | 2013年 / 26卷 / 06期

基金：

中国国家自然科学基金;

关键词：

fracture mechanics; scaled boundary finite element method; mode III; stress intensity factors;

D O I：

暂无

中图分类号：

O346.1 [断裂理论]; O241.82 [偏微分方程的数值解法];

学科分类号：

070102 ; 080102 ;

摘要：

The scaled boundary finite element method(SBFEM)is a novel semi-analytical technique that combines the advantages of the finite element method and the boundary element method with unique properties of its own.This method has proven very efcient and accurate for determining the stress intensity factors(SIFs)for mode I and mode II two-dimensional crack problems.One main reason is that the SBFEM has a unique capacity of analytically representing the stress singularities at the crack tip.In this paper the SBFEM is developed for mode III(out of plane deformation)two-dimensional fracture analysis.In addition,cubic B-spline functions are employed in this paper for constructing the shape functions in the circumferential direction so that higher continuity between elements is obtained.Numerical examples are presented at the end to demonstrate the simplicity and accuracy of the present approach for mode III two-dimensional fracture analysis.

引用

页码：619 / 628

页数：10

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