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Three-Dimensional Piezothermoelastic Stress of a Finite Functionally Graded Cylindrical Shell with Piezoelectric Layer

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  • Yong-gang Kang
  • Zhong-qi Wang
  • Gongnan Xie

Abstract

Three-dimensional piezothermoelastic solutions for a finite functionally graded cylindrical shell with piezoelectric layer are carried out in this paper. The cylindrical shell is simply supported at four end edges and is subjected to axisymmetric thermomechanical loads. The piezoelectric layers are polarized along radial direction as a sensor. The material properties are assumed to be temperature independent and radially dependent but are assumed to be homogeneous in each layer; the variables are expanded in Fourier series to satisfy the boundary conditions and multilayer approach is used. Numerical results of mullite/molybdenum functionally graded cylindrical shell are presented; the temperature change, stresses, electric potential, and electric displacement distributions are given and briefly discussed.

Suggested Citation

  • Yong-gang Kang & Zhong-qi Wang & Gongnan Xie, 2013. "Three-Dimensional Piezothermoelastic Stress of a Finite Functionally Graded Cylindrical Shell with Piezoelectric Layer," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-13, December.
    • Handle: RePEc:hin:jnlmpe:947693
    DOI: 10.1155/2013/947693
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