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Analytical Solution of Thermo-elastic Stresses and Deformation of Functionally Graded Rotating Hollow Discs with Radially Varying Thermo-mechanical Properties under Internal Pressure

M.R. Akbari1, J. Ghanbari1,2

Department of Mechanical Engineering, Qom University of Technology, 37195-1519, Qom, Iran.
Corresponding author. E-mail:

Computers, Materials & Continua 2015, 45(3), 187-202.


Exact analytical solution for functionally graded hollow discs under internal pressure, thermal load and rotation are provided in this paper. Material properties of discs, i.e. elastic modulus, density and thermal expansion coefficient are assumed to vary in radial direction. Two power functions are assumed for property dependency to study various types of functional grading of materials in the discs. Assuming small deformations, a differential equation is obtained and solved for the Airy stress function. The effects of various grading functions on the stress and deformation distribution are studied and an optimum value for the power is obtained.


Cite This Article

M. . Akbari and J. . Ghanbari, "Analytical solution of thermo-elastic stresses and deformation of functionally graded rotating hollow discs with radially varying thermo-mechanical properties under internal pressure," Computers, Materials & Continua, vol. 45, no.3, pp. 187–202, 2015.

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