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3D static analysis of homogenized piezoelectric plates based on the Mori-Tanaka and the Stroh approach

机译:基于Mori-Tanaka和Stroh方法的均质压电板3D静态分析

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In this paper, mathematical modeling for the identification of effective electro-mechanical properties of homogeneous piezoelectric plate composites is proposed. The effective properties are investigated using micromechanical models based on the heterogeneous inclusion problem of Eshelby. The concentration and localization tensors are used attributed to the Mori-Tanaka micromechanical approach. The homogenized coefficients for both electro-elastic and piezoelectric plates are then used to analyze the response of the polarized piezoelectric plate in z-direction. The influence of the direction of polarization in addition to the concentration of the fiber inclusion is analysed using the exact solution from the Stroh-like formalism. The Stroh-like formalism solution demonstrate the effect of the polarization direction of Epoxy/PZT-5 and PZT-C91/PZT-5 on the eletromechanical response of piezoelectric composite.
机译:本文提出了一种识别均匀压电板复合材料的有效电力性能的数学建模。 基于eShelby的异构纳入问题,使用微机械模型研究了有效性。 使用浓度和定位张量归因于森林微机械方法。 然后,用于对电弹性和压电板的均化系数用于分析Z方向上偏振压电板的响应。 使用来自STROH的形式主义的精确溶液,分析除纤维夹杂物的浓度外之外的偏振方向的影响。 STROH形状的形式主义溶液证明了环氧/ PZT-5和PZT-C91 / PZT-5偏振方向对压电复合材料的电动力学响应的影响。

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