Vol. 5, No. 1, 2010

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ISSN: 1559-3959
Third-order shear deformation theory for stress analysis of a thick conical shell under pressure

Hamid Reza Eipakchi

Vol. 5 (2010), No. 1, 1–17
Abstract

The stresses and displacements of a thick conical shell with varying thickness under nonuniform internal pressure have been calculated analytically using third-order shear deformation theory. The governing equations, which are a system of differential equations with variable coefficients, have been solved analytically with the matched asymptotic expansion of the perturbation theory. The effects of higher-order approximations on the radial and axial displacements, von Mises stress, and shear stress have been studied. The results have been compared with the finite elements analysis.

Keywords
shear deformation, stress analysis, finite elements, perturbation, thick shell, varying thickness
Milestones
Received: 21 November 2008
Revised: 3 June 2009
Accepted: 3 August 2009
Published: 19 April 2010
Authors
Hamid Reza Eipakchi
Mechanical Engineering Faculty
Shahrood University of Technology
P.O. Box 316
Shahrood
Iran