期刊
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS
卷 27, 期 6, 页码 1026-1036出版社
GAUTHIER-VILLARS/EDITIONS ELSEVIER
DOI: 10.1016/j.euromechsol.2008.01.004
关键词
FGMs; Cylindrical shells; Imperfection; Axial compression; Buckling; Prebuckling
类别
资金
- National Natural Science Foundation of China [10672059]
- Natural Science Foundation of Guangdong Province [06025689]
Buckling behaviors of axially compressed functionally graded cylindrical shells with geometrical imperfections are investigated in this paper using Donnell shell theory and the nonlinear strain-displacement relations of large deformation. The analysis is based on the nonlinear prebuckling consistent theory. Both the prebuckling effects and the temperature-dependent material properties are taken into account. The buckling condition for imperfect functionally graded cylindrical shells is obtained by using the Galerkin method. Numerical results show various effects of imperfection, structural type, power law exponent, temperature and dimensional parameters on buckling. The present theoretical results are verified by those in literature. (C) 2008 Elsevier Masson SAS. All rights reserved.
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