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The transient response of bonded piezoelectric and elastic half space with multiple interfacial collinear cracks

机译:具有多个界面共线裂纹的压电和弹性半空间粘结的瞬态响应

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This paper investigates the dynamic behavior of a bonded piezoelectric and elastic half space containing multiple interfacial collinear cracks subjected to transient electro-mechanical loads. Both the permeable and impermeable boundary conditions are examined and discussed. Based on the use of integral transform techniques. the problem is reduced to a set of singular integral equations which can be solved using Chebyshev polynomial expansions. Numerical results are provided to show the effect of the geometry of interacting collinear cracks, the applied electric fields, and the electric boundary conditions along the crack faces on the resulting dynamic stress intensity and electric displacement intensity factors. [References: 17]
机译:本文研究了瞬态机电载荷作用下包含多个界面共线裂纹的压电压电弹性半空间的动力学行为。渗透性和不可渗透性的边界条件都经过检查和讨论。基于积分变换技术的使用。该问题被简化为一组奇异积分方程,可以使用Chebyshev多项式展开来求解。提供了数值结果,以显示相互作用的共线裂纹的几何形状,施加的电场以及沿裂纹面的电边界条件对所得动应力强度和电位移强度因子的影响。 [参考:17]

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