A Cylindrical Superelement for Thermo-Mechanical Analysis of Thin Composite Vessels

Authors

  • A. Jafarzadeh Department of Mechanical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez Ave., Tehran, Iran
  • Afshin Taghvaeipour Department of Mechanical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez Ave., Tehran, Iran https://orcid.org/0000-0002-0787-0979
  • M. R. Eslami Department of Mechanical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez Ave., Tehran, Iran

DOI:

https://doi.org/10.13052/ejcm2642-2085.29231

Keywords:

Classical theory of shell, cylindrical vessels, trigonometric shape functions, shell superelement, composite cylinders

Abstract

In this study, a new cylindrical shell superelement with trigonometric shape functions is developed. This element is formulated based on the classical theory of shells, and it is especially designed for coupled-field analysis of thin cylindrical vessels or tubes made of composite materials. As a case study, a thermo-mechanical analysis of a thin composite cylinder is conducted. By invoking to the uniform and non-uniform meshing, the deformation and the stress results are calculated and compared with the analytical solutions. At the end, the efficiency and accuracy of the proposed superelement is also depicted via comparison of the corresponding results with the ones which are calculated by means of shell elements and via a commercial software package.

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Author Biographies

A. Jafarzadeh, Department of Mechanical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez Ave., Tehran, Iran

A. Jafarzadeh received his B.Sc. degree in mechanical engineering from University of Shahroud, Iran, in 2014 and the M.Sc. degree from the Amirkabir University of Technology (AUT), Iran in 2017. His research interests include finite element methods, numerical methods in engineering, creep and fatigue Life assessment in the hot section parts of gas turbines, composite structures design, designing machines and modulus for assembly and production process.

Afshin Taghvaeipour, Department of Mechanical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez Ave., Tehran, Iran

A. Taghvaiepour is an assistant professor at Amirkabir University of Technology (AUT), Iran. He received his B.Sc. from AUT in 2006, his M.Sc. from Sharif University of Technology (SUT) in 2008, and his Ph.D. form McGill University in 2012. His research interests are Structural and Dynamic analysis of Mechanical and Robotic Systems and Finite Element Analysis.

M. R. Eslami, Department of Mechanical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez Ave., Tehran, Iran

M. R. Eslami is an emeritus professor of mechanical engineering at Amirkabir University of Technology (AUT), Iran. He received his B.Sc. degree in mechanical engineering from Tehran Polytechnic, Iran, in 1968, the M.Sc. and Ph.D. degrees from the Louisiana State University, Baton Rouge La., USA, in 1970 and 1973, respectively. He is an ASME fellow. His main research fields are thermoelasticity and finite element methods (FEM).

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Published

2021-01-03

Issue

Section

Original Article