Interaction between two piezoelectric inhomogeneities and a crack in an infinite body

被引：0
|
作者：
Ishihara, M [1 ]
Noda, N [1 ]
机构：
[1] Shizuoka Univ, Dept Mech Engn, Hamamatsu, Shizuoka 4328561, Japan
来源：
JSME INTERNATIONAL JOURNAL SERIES A-SOLID MECHANICS AND MATERIAL ENGINEERING | 2002年 / 45卷 / 02期
关键词：
stress intensity factor; composite material; micromechanics; electroelectricity; inhomogeneity; analytical solution;
D O I：
10.1299/jsmea.45.217
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this study, we analyze a two-dimensional electroelastic problem of an infinite piezoelectric body with two circular piezoelectric inhomogeneities, one of which contains a crack. We formulate the stress intensity factor (SIF) analytically and investigate the effect of interaction between inhomogeneities and a crack on the SIF numerically. We consider that the body is subjected to anti-plane shear mechanical loads and in-plane electrical loads at infinity. The SIF is formulated by regarding the crack as distributed screw dislocation. The distribution function of screw dislocation is obtained as the solution of a singular integral equation of the first kind. Some numerical results are shown to investigate the effect of the interaction between two inmonogeneities and the crack on the SIF.
引用
收藏
页码：217 / 224
页数：8
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