Dynamic crack growth modeling technique based upon the SGBEM in the Laplace domain

被引：0
|
作者：
S. Ebrahimi
A.-V. Phan
机构：
[1] University of California,Department of Mechanical Engineering
[2] University of South Alabama,Department of Mechanical Engineering
来源：
Acta Mechanica | 2015年 / 226卷
关键词：
Boundary Element Method; Rayleigh Wave; Crack Path; Dynamic Stress Intensity Factor; Dynamic Loading Condition;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper presents a new dynamic crack growth prediction tool based upon the symmetric Galerkin boundary element method (SGBEM) in the Laplace domain, combined with the maximum hoop stress (MHS) criterion. The fast Laplace inverse transform developed by Durbin is employed to obtain time-domain solutions of the stress intensity factors required by the MHS criterion. In this work, the proposed Laplace SGBEM tool is used to predict crack trajectories in homogeneous and non-homogeneous isotropic brittle materials under dynamic loading conditions. The effect of the elastic constant mismatches is investigated for the influence of crack–inclusion interaction on crack growth.
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页码：769 / 781
页数：12
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