Electromechanical impact of an impermeable parallel crack in a functionally graded piezoelectric strip

被引：31

作者：

Ueda, Sei ^{[1
]}

机构：

[1] Osaka Inst Technol, Dept Mech Engn, Asahi Ku, Osaka 5358585, Japan

来源：

EUROPEAN JOURNAL OF MECHANICS A-SOLIDS | 2007年 / 26卷 / 01期

关键词：

electroelasticity; dynamic fracture mechanics; functionally graded piezoelectric strip; integral transform;

D O I：

10.1016/j.euromechsol.2006.05.008

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The dynamic fracture problem for a functionally graded piezoelectric material (FGPM) strip containing a crack parallel to. the free boundaries is considered in this study. It is assumed that the electroelastic properties of the strip vary continuously along the thickness direction of the strip, and that the strip is under the in-plane mechanical and electric impact. Integral transform techniques and dislocation density functions are employed to reduce the problem to the solutions of a system of singular integral equations. The dynamic stress and electric displacement intensity factors versus time are presented for various values of dimensionless parameters representing the crack size, the crack location, the material nonhomogeneity and the loading combination. (c) 2006 Elsevier Masson SAS. All rights reserved.

引用

页码：123 / 136

页数：14

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