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Thermo-mechanical deformation and stress analysis of a rotating FG hollow cylindrical body

Lakshman Sondhi (Department of Mechanical Engineering, SSGI, Bhilai, India)
Rakesh Kumar Sahu (Department of Mechanical Engineering, SSGI, Bhilai, India)
Shubhankar Bhowmick (Department of Mechanical Engineering, National Institute of Technology Raipur, Raipur, India)
Royal Madan (Department of Mechanical Engineering, G H Raisoni Institute of Engineering and Technology, Nagpur, India)

International Journal of Structural Integrity

ISSN: 1757-9864

Article publication date: 26 December 2022

Issue publication date: 21 March 2023




The purpose of this study was to perform thermo-mechanical deformation and stress analysis in a functionally graded (FG) hollow cylinder considering steady-state temperature distribution under the effect of rotation, gravity and constant heat generation.


Navier's equation was used to solve the problem, and the obtained results were validated with benchmarks found to be in excellent agreement. The variation of temperature and other material properties such as Young's modulus, density, thermal expansion coefficient and thermal conductivity varied radially as per power-law variation.


The effect of rotation was found to be vital compared to gravity and heat generation when compared individually and in combination. The results of displacement and stresses were presented for varying grading indices.

Practical implications

FG cylinders have huge industrial applications as it opens the possibility of developing structures with a high strength/weight ratio. The present study will benefit industries in identifying the effective grading index that can be used by industries for fabricating FG structures.


The effect of rotation, body force and heat generation on a cylindrical body has not been studied before. Furthermore, the combined effect of rotation, body force and heat generation has been studied to understand the behaviour of cylinders operating under similar conditions.



Sondhi, L., Sahu, R.K., Bhowmick, S. and Madan, R. (2023), "Thermo-mechanical deformation and stress analysis of a rotating FG hollow cylindrical body", International Journal of Structural Integrity, Vol. 14 No. 2, pp. 184-203.



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