Thermal Stress Analysis of the Carbon Nanotube Reinforced Composite Cylindrical Shells

Document Type : Research Article

Authors

Department of Mechanical Engineering, Faculty of Engineering, Kharazmi University, Tehran, Iran

Abstract

This paper presents an analytical and computational approach for investigating the behavior of a simply supported carbon nanotube-reinforced composite shell that has been exposed to temperature variations. The equations are solved using the Ritz energy method for the analytical solution and ABAQUS finite element software for numerical solution. The displacement field is the first-order shear deformation theory, and the linear equations were solved using the rule of the mixture to determine the mechanical properties of carbon nanotube-reinforced composites. A uniform distribution of temperature with no heat flux in the shell and nanotubes in five distinct shapes classified as V, A, X, and O have been considered in this study. The support conditions are the same in all cases, but the temperature, thermal boundary conditions, and carbon nanotube volume function values vary. The findings are illustrated in a detailed manner in the form of diagrams, which perfectly demonstrate the differences between both of the carbon nanotube distribution material models. Validation of the results shows great compatibility in energy solution and finite element methods. The results show that increasing the volume function of the carbon nanotubes increases the stress values and thermal gradients, and on the other hand, reduces the displacement, and by increasing the temperature the number of stress increases.

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References

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Amirkabir Journal of Mechanical Engineering
Volume 53, Issue 10
January 2022
Pages 5269-5292

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