Transient analysis of multiple parallel cracks under anti-plane dynamic loading

被引：12
|
作者：
Wu, K. -C. [1 ]
Hou, Y. -L. [1 ]
Huang, S. -M. [1 ]
机构：
[1] Natl Taiwan Univ, Inst Appl Mech, Taipei, Taiwan
来源：
MECHANICS OF MATERIALS | 2015年 / 81卷
关键词：
Non-collinear cracks; Dynamic stress intensity factor; Dislocation method; COLLINEAR CRACKS; INCIDENT; WAVE;
D O I：
10.1016/j.mechmat.2014.10.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The problem of a homogeneous linear elastic body containing multiple non-collinear cracks under anti-plane dynamic loading is considered in this work. The cracks are simulated by distributions of dislocations and an integral equation relating tractions on the crack planes and the dislocation densities is derived. The integral equation in the Laplace transform domain is solved by the Gaussian-Chebyshev integration quadrature. The dynamic stress intensity factor associated with each crack tip is calculated by a numerical inverse Laplace scheme. Numerical results are given for one crack and two or three parallel cracks under normal incidence of a plane horizontally shear stress wave. (C) 2014 Elsevier Ltd. All rights reserved.
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页码：56 / 61
页数：6
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