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Open AccessArticle

An Electroelastic Solution for Functionally Graded Piezoelectric Circular Plates under the Action of Combined Mechanical Loads

1
School of Civil Engineering, Chongqing University, Chongqing 400045, China
2
Key Laboratory of New Technology for Construction of Cities in Mountain Area (Chongqing University), Ministry of Education, Chongqing 400045, China
*
Author to whom correspondence should be addressed.
Materials 2018, 11(7), 1168; https://doi.org/10.3390/ma11071168
Received: 29 May 2018 / Revised: 1 July 2018 / Accepted: 3 July 2018 / Published: 9 July 2018
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. View Full-Text
Keywords: functionally graded piezoelectric materials; circular plate; combined mechanical loads; electroelastic solution functionally graded piezoelectric materials; circular plate; combined mechanical loads; electroelastic solution
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MDPI and ACS Style

Yang, Z.-X.; He, X.-T.; Li, X.; Lian, Y.-S.; Sun, J.-Y. An Electroelastic Solution for Functionally Graded Piezoelectric Circular Plates under the Action of Combined Mechanical Loads. Materials 2018, 11, 1168.

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