Transient response of a cracked piezoelectric strip under thermoelectric loading

被引:28
作者
Ueda, S. [1 ]
机构
[1] Osaka Inst Technol, Dept Mech Engn, Asahi Ku, Osaka 5358585, Japan
关键词
elasticity; fracture mechanics; integral transform; intensity factors; piezoelectric strip; thermal shock;
D O I
10.1080/01495730600710208
中图分类号
O414.1 [热力学];
学科分类号
摘要
In this study, the theoretical analysis of a transient piezothermoelastic problem is developed for a piezoelectric strip with a parallel crack under static electric loading and thermal shock loading conditions. The crack faces are supposed to be insulated thermally and electrically. By using both the Laplace transform and the Fourier transform, the thermal and electromechanical problems are reduced to a system of singular integral equations, respectively, which are solved numerically. Some numerical results for the temperature change, the stress and electric displacement distributions, and the energy density factor as well as the stress and electric displacement intensity factors in a transient state are shown in figures.
引用
收藏
页码:973 / 994
页数:22
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