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Analysis of Functionally Graded Piezoelectric Strip under Electro-Mechanical Loading with Eccentric Crack

机译:用偏心裂纹电力载荷下功能梯度压电条分析

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The electroelastic problem of an eccentric crack off the center line in a functionally graded piezoelectric ceramic strip under anti-plane shear was analyzed by the integral transform approach. The traditional concept of linear elastic fracture mechanics is extended to include the piezoelectric effects and the results are expressed in terms of the stress intensity factor and the energy release rate. The normalized stress intensity factor increases when be a/h and e/h values increase, and also increase when the B values increase. The energy release rate has always positive values.
机译:通过整体变换方法分析了在抗平面剪切下功能渐变压电陶瓷条中的中心线偏心裂缝的电弹性问题。线性弹性断裂力学的传统概念扩展到包括压电效应,结果表达了应力强度因子和能量释放率方面的表达。归一化应力强度因子在A / H和E / H值增加时增加,并且当B值增加时也会增加。能量释放率始终是正值。

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