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Steel and Composite Structures
  Volume 16, Number 1, January 2014 , pages 79-98

Magneto-thermo-elastic analysis of a functionally graded conical shell
A. Mehditabar, R. Akbari Alashti and M.H. Pashaei

    In this paper, magneto-thermo-elastic problem of a thick truncated conical shell immersed in a uniform magnetic field and subjected to internal pressure is investigated. Material properties of the shell including the elastic modulus, magnetic permeability, coefficients of thermal expansion and conduction are assumed to be isotropic and graded through the thickness obeying the simple power law distribution, while the poison\'s ratio is assumed to be constant. The temperature distribution is assumed to be a function of the thickness direction. Governing equations of the truncated conical shell are derived in terms of components of displacement and thermal fields and discretised with the help of differential quadrature (DQ) method. Results are obtained for different values of power law index of material properties and effects of thermal load on displacement, stress, temperature and magnetic fields are studied. Results of the present method are compared with those of the finite element method.
Key Words
    Magneto-thermo-elastic; functionally graded material; truncated conical shell
A. Mehditabar, R. Akbari Alashti* and M.H. Pashaei:
Mechanical Engineering Department, Babol University of Technology, Babol, Iran.

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