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Thermal stresses in an incompressible FGM spherical shell with temperature-dependent material properties
AbstractIn this paper, a nonlinear static thermoelastic analysis of a spherical shell made of functionally graded material is performed. The material properties are assumed to be functions of both radial coordinate of the sphere and temperature. The dependence on temperature makes the governing equations nonlinear. The so-obtained nonlinear heat conduction equation is analytically solved using the perturbation technique. The approximate temperature field is then supplied to elasticity equations which are solved exactly for the case of incompressible elastic material to get displacement and stress distributions. Finally, the temperature field, material properties and radial stress versus the radial direction are shown and discussed.
HighlightsApproximate solution of heat conduction in an FGM hollow sphere using perturbation technique.Exact solution of elasticity for the case of incompressible material.Distribution of various quantities as functions of radial direction.
Thermal stresses in an incompressible FGM spherical shell with temperature-dependent material properties
AbstractIn this paper, a nonlinear static thermoelastic analysis of a spherical shell made of functionally graded material is performed. The material properties are assumed to be functions of both radial coordinate of the sphere and temperature. The dependence on temperature makes the governing equations nonlinear. The so-obtained nonlinear heat conduction equation is analytically solved using the perturbation technique. The approximate temperature field is then supplied to elasticity equations which are solved exactly for the case of incompressible elastic material to get displacement and stress distributions. Finally, the temperature field, material properties and radial stress versus the radial direction are shown and discussed.
HighlightsApproximate solution of heat conduction in an FGM hollow sphere using perturbation technique.Exact solution of elasticity for the case of incompressible material.Distribution of various quantities as functions of radial direction.
Thermal stresses in an incompressible FGM spherical shell with temperature-dependent material properties
Moosaie, Amin (author) / Panahi-Kalus, Hamed (author)
Thin-Walled Structures ; 120 ; 215-224
2017-09-05
10 pages
Article (Journal)
Electronic Resource
English
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