期刊
THIN-WALLED STRUCTURES
卷 75, 期 -, 页码 103-112出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.tws.2013.10.015
关键词
Nonlinear postbuckling; Eccentrically stiffened P-FGM plates; Classical plate theory; Elastic foundation; Thermal environments
资金
- National Foundation for Science and Technology Development of Viet Nam - NAFOSTED [107.02-2013.06]
This paper first time presents an analytical investigation on the nonlinear postbuckling of imperfect eccentrically stiffened thin FGM plates under temperature and resting on elastic foundation using a simple power-law distribution (P-FGM). Both of the FGM plate and stiffeners are deformed under thermal loads. The formulations are based on the classical plate theory taking into account geometrical nonlinearity, initial geometrical imperfection, temperature-dependent properties and the Lekhnitsky smeared stiffeners technique with Pasternak type elastic foundation. By applying Galerkin method and using stress function, effects of material and geometrical properties, temperature, elastic foundation and eccentrically stiffeners on the buckling and postbuckling loading capacity of the eccentrically stiffened FGM plate in thermal environments are analyzed and discussed. Some results were compared with the one of the other authors. (C) 2013 Elsevier Ltd. All rights reserved.
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