Magnetothermoelastic transient response of a functionally graded thick hollow sphere subjected to magnetic and thermoelastic fields |
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Authors: | A. Ghorbanpour Arani M. Salari H. Khademizadeh A. Arefmanesh |
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Affiliation: | 1. Department of Mechanical Engineering, Faculty of Engineering, University of Kashan, Kashan, I.R. Iran 2. Department of Mechanical Engineering, Isfahan University of Technology, Isfahan, I.R. Iran
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Abstract: | In this article, an analytical method is developed to obtain the response of magnetothermoelastic stress and perturbation of the magnetic field vector for a thick-walled spherical functionally graded materials (FGM) vessel. The vessel, which is placed in a uniform magnetic field, is subjected to an internal pressure and transient temperature gradient. Using the Hankel and Laplace transform techniques, the dynamic equation of magnetothermoelastic is solved and the radial and circumferential stresses as well as the perturbation of the magnetic field vector for a typical material are obtained. Moreover, the effect of magnetic field vector and material inhomogeneity on the stresses is investigated. |
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