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Sensitivity of Dynamic Response of a Simply Supported Functionally Graded Magneto-electro-elastic Plate to its Elastic Parameters

G. Q. Xie1,2, M. X. Chi1

Civil Engineering College, Hunan University of Science and Technology, Xiangtan, PR China, 411201.
Corresponding author. E-mail: xiaoyuanyixiong@163.com

Computers, Materials & Continua 2014, 44(2), 123-140. https://doi.org/10.3970/cmc.2014.044.123

Abstract

Dynamic response sensitivity of a simply supported functionally graded magneto-electro-elastic plates have been studied by combining analytical method with finite element method. The functionally graded material parameters are assumed to obey exponential law in the thickness direction. A series solution of double trigonometric function agreed with the simply supported boundary condition is adopted in the plane of the plate and finite element method is used across the thickness of the plate. The finite element model is established based on energy variational principle. The coupled electromagnetic dynamic characteristics of a simply supported functionally graded magneto- electro-elastic plate are decided by its dynamics differential equation into which displacement components, electric potential and magnetic potential as nodal degree of freedom are incorporated. Dynamic response sensitivity is defined as a partial differential of dynamic response with respect to material parameter. Sensitivity of dynamic response of a simply supported functionally graded magneto-electro-elastic plate to its elastic parameters has been studied. The influence of the different exponential factor on dynamic response sensitivity has also been investigated.

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Cite This Article

G. Q. Xie and M. X. Chi, "Sensitivity of dynamic response of a simply supported functionally graded magneto-electro-elastic plate to its elastic parameters," Computers, Materials & Continua, vol. 44, no.2, pp. 123–140, 2014.



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