16th International Conference on Composite Structures- ICCS , 2011-06-28

Title : ( Thermo Elastic Wave propagation in functionally graded materials using meshless local Petrov-Galerkin (MLPG) Method )

Authors: Seyed Mahmoud Hosseini , J. Sladek , V. Sladek ,

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Abstract

In this article, thermoelastic wave propagation based on coupled thermoelasticity (without energy dissipation) in Green-Naghdi model is studied for functionally graded (FG) thick hollow cylinder. The meshless local Petrov-Galerkin method is developed to solve the boundary value problem. The Newmark finite difference method is used to treat the time dependence of the variables for transient problems. The mechanical properties of FG cylinder are assumed to vary across thickness of cylinder in terms of volume fraction as nonlinear function. A weak formulation for the set of governing equations is transformed into local integral equations on local subdomains by using a Heaviside test function. The propagation of thermal and elastic waves is discussed in details. The presented method shows high capability and efficiency for coupled thermoelasticity problems.

Keywords

, Functionally graded materials, Coupled thermoelasticity, Thick cylinder, Meshless method.
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@inproceedings{paperid:1018758,
author = {Hosseini, Seyed Mahmoud and J. Sladek and V. Sladek},
title = {Thermo Elastic Wave propagation in functionally graded materials using meshless local Petrov-Galerkin (MLPG) Method},
booktitle = {16th International Conference on Composite Structures- ICCS},
year = {2011},
location = {Porto},
keywords = {Functionally graded materials; Coupled thermoelasticity; Thick cylinder; Meshless method.},
}

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%0 Conference Proceedings
%T Thermo Elastic Wave propagation in functionally graded materials using meshless local Petrov-Galerkin (MLPG) Method
%A Hosseini, Seyed Mahmoud
%A J. Sladek
%A V. Sladek
%J 16th International Conference on Composite Structures- ICCS
%D 2011

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