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An Electroelastic Solution for Functionally Graded Piezoelectric Circular Plates under the Action of Combined
Zhi-Xin Yang1, Xiao-Ting He2,3, Xue Li4
1School of Civil Engineering, Chongqing University, Chongqing 400045, China. yangzhixin123@126.com.
Abstract:
In this study, we obtained an electroelastic solution for functionally graded piezoelectric circular plates under the action of combined mechanical loads which include the uniformly distributed loads on the upper surface of the plate and the radial force and bending moment at the periphery of the plate. All electroelastic materials parameters are assumed to vary according to the same gradient function along the thickness direction. The influence of different functionally graded parameters on the elastic displacement and elastic stress, as well as the electric displacement and electric potential, was discussed by a numerical example. The solution presented in this study is not only applicable to the case of combined loads, but also to the case of a single mechanical load. In addition, this solution reflects the influence of the function gradient on the pure piezoelectric plate, which is helpful to the refined analysis and optimization design of similar structures.
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