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首页> 外文期刊>Journal of thermal stresses >INFINITE ROW OF PARALLEL CRACKS IN A FUNCTIONALLY GRADED PIEZOELECTRIC MATERIAL STRIP UNDER MECHANICAL AND TRANSIENT THERMAL LOADING CONDITIONS
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INFINITE ROW OF PARALLEL CRACKS IN A FUNCTIONALLY GRADED PIEZOELECTRIC MATERIAL STRIP UNDER MECHANICAL AND TRANSIENT THERMAL LOADING CONDITIONS

机译:机械和瞬态热载荷条件下功能梯度压电材料带中无限大平行裂纹

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摘要

In this paper, the problem of an infinite row of parallel cracks in a functionally graded piezoelectric material strip (FGPM strip) is analyzed under static mechanical and transient thermal loading conditions. The crack faces arc supposed to he completely insulated. Material properties are assumed to he exponentially dependent on the distance from the bottom surface. By using the Laplace and Fourier transforms, the thermoelectromechanical problem is reduced to a singular integral equation, which is solved numerically. The stress intensity factors for both the embedded and edge cracks are computed. The results for the crack contact problem are also included.
机译:在本文中,分析了在静态机械载荷和瞬态热载荷条件下,功能梯度压电材料带(FGPM带)中存在无限行平行裂纹的问题。裂纹面应该完全绝缘了。假定材料属性与底表面的距离呈指数关系。通过使用Laplace和Fourier变换,将热机电问题简化为奇异积分方程,并用数值方法求解。计算了嵌入式裂纹和边缘裂纹的应力强度因子。裂纹接触问题的结果也包括在内。

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