期刊
COMPOSITE STRUCTURES
卷 110, 期 -, 页码 200-206出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2013.11.015
关键词
Nonlinear response; S-FGM eccentrically stiffened circular cylindrical shells; Imperfection; Stress function; Elastic foundation
资金
- National Foundation for Science and Technology Development of Vietnam - NAFOSTED [107.02-2013.06]
In this paper, an analytical approach is presented to investigate the nonlinear static buckling and post-buckling for imperfect eccentrically stiffened functionally graded thin circular cylindrical shells surrounded on elastic foundation with ceramic-metal-ceramic layers (S-FGM) and subjected to axial compression. The Lekhnitsky smeared stiffeners technique with Pasternak type elastic foundation, stress function and Bubnov-Galerkin method are applied. Numerical results are given for evaluating effects of material and geometrical properties, elastic foundations and eccentrically outside stiffeners on the buckling and post-buckling of the S-FGM shells. The obtained results are validated by comparing with those in the literature. (C) 2013 Elsevier Ltd. All rights reserved.
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