Structural Engineering and Mechanics

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Electro-elastic analysis of functionally graded piezoelectric variable thickness rotating disk under thermal environment

  • Arefi, Mohammad (Faculty of Mechanical Engineering, Department of Solid Mechanics, University of Kashan) ;
  • Moghaddam, Sina Kiani (Faculty of Mechanical Engineering, Department of Solid Mechanics, University of Kashan)
  • Received : 2018.10.09
  • Accepted : 2018.12.05
  • Published : 2019.07.10
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Abstract

In this study we derive the governing equations of a functionally graded piezoelectric disk, subjected to thermo-electro-mechanical loads. First order shear deformation theory is used for description of displacement field. Principles of minimum potential energy is used to derive governing equations in terms of components of the displacement field and the electric potential. The governing equations are derived for a disk with variable thickness. The numerical results are presented in terms of important parameters of the problem such as profile of variable thickness, in-homogeneous index and other related parameters.

Keywords

References

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