VARIABLE POWER SINGULAR INTERFACE ELEMENTS FOR A CRACK NORMAL TO THE BIMATERIAL INTERFACE

被引：1
|
作者：
WU, YL
机构：
[1] Institute of Mechanics, Chinese Academy of Sciences, Beijing
来源：
ENGINEERING FRACTURE MECHANICS | 1994年 / 48卷 / 06期
关键词：
Bimaterial interface - Stiffness matrices - Zero thickness crack tip interface elements;
D O I：
10.1016/0013-7944(94)90184-8
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Zero thickness crack tip interface elements for a crack normal to the interface between two materials are presented. The elements are shown to have the desired r(lambda-1) (0 < lambda < 1) singularity in the stress field at the crack tip and are compatible with other singular elements. The stiffness matrices of the quadratic and cubic interface element are derived. Numerical examples are given to demonstrate the applicability of the proposed interface elements for a crack perpendicular to the bimaterial interface.
引用
收藏
页码：763 / 772
页数：10
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