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Thermoelastic Dynamic Behaviors of a FGM Hollow Cylinder Under Non-Axisymmetric Thermo-Mechanical Loads

Published online by Cambridge University Press:  16 October 2012

H. Xie ,
H.-L. Dai  and
Y.-N. Rao
H. Xie
Affiliation:
State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha, 410082, China
H.-L. Dai*
Affiliation:
State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University Changsha, 410082, China Department of Engineering Mechanics College of Mechanical & Vehicle Engineering, Hunan University, Changsha, 410082, China
Y.-N. Rao
Affiliation:
State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha, 410082, China
*
*Corresponding author (hldai520@sina.com)
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Abstract

This paper is concerned with two-dimensional (r, θ) thermoelastic dynamic responses of a long functionally graded hollow cylinder subjected to asysmmetrical thermal and mechanical loads. The material properties, except the Poisson's ratio, are assumed to be temperature independent and vary exponentially and continuously in the radial direction. By means of finite difference method and Newmark method, the motion governing equations of the long FGM hollow cylinder are solved. Comparisons between this paper's results and the corresponding analytical results validate the proposed solution. In addition, the effects of the volume fraction, temperature boundary conditions on the hollow cylinder's deformations and stresses distributions are examined, and many other valuable thermoelastic dynamic characteristics are revealed.

Keywords

Thermoelastic dynamic behaviorNon-axisymmetricFunctionally graded materialHollow cylinderFinite difference method
Type
Articles
Information
Journal of Mechanics , Volume 29 , Issue 1 , March 2013 , pp. 109 - 120
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2012

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