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Influence of thickness variation on the buckling load in plates made of functionally graded materials

Mozafari, Hamid and Ayob, Amran and Alias, Amran (2010) Influence of thickness variation on the buckling load in plates made of functionally graded materials. European Journal of Scientific Research, 47 (3). pp. 422-435. ISSN 1450-216X

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Abstract

n this paper, a simply supported plate made of Functionally Graded Materials (FGM) with linearly varying thickness is considered. The material properties are assumed to vary as a power law though the plate thickness. Based on higher-order theory assumptions, the equilibrium, stability equations and the relations for pre-buckling loads of the plate under mechanical load are obtained using a variational formulation. The equations are based on Love-Kirchhoff hypothesis and the Sanders non-liner strain-displacement relations. The closed form solution for the buckling load is obtained and the result is verified against known case i.e. a plate with constant thickness. The buckling load is derived by employing the weighted residual approach. Finally, different plots indicating the variation of buckling load vs. different FGM materials, geometries and loading conditions were obtained.

Item Type:Article
Uncontrolled Keywords:FGM plate, higher-order theory, plate with variable thickness, thin plate
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:37879
Deposited By:INVALID USER
Deposited On:30 Apr 2014 15:56
Last Modified:25 Oct 2017 12:18

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