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《机械工程前沿(英文)》 >> 2012年 第7卷 第4期 doi: 10.1007/s11465-012-0336-1

Elastic analysis of heterogeneous thick-walled spherical pressure vessels with parabolic varying properties

Mechanical Engineering Department, Yasouj University, Yasouj 75914-353, Iran

发布日期: 2012-12-05

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摘要

On the basis of plane elasticity theory (PET), the displacement and stress components in a thick-walled spherical pressure vessels made of heterogeneous materials subjected to internal and external pressure is developed. The mechanical properties except the Poisson’s ratio are assumed to obey the parabolic variations throughout the thickness. Effect of material inhomogeneity on the elastic deformations and stresses is investigated. The analytical solutions and the solutions carried out through the FEM have a good agreement. The values used in this study are arbitrary chosen to demonstrate the effect of inhomogeneity on displacements, and stresses distributions.

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