期刊
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS
卷 45, 期 -, 页码 80-89出版社
GAUTHIER-VILLARS/EDITIONS ELSEVIER
DOI: 10.1016/j.euromechsol.2013.11.008
关键词
Nonlinear axisymmetric response; FGM shallow spherical shells; Elastic foundation
类别
资金
- National Foundation for Science and Technology Development of Vietnam - NAFOSTED [107.02-2013.06]
Based on the classical shell theory taking into account geometrical nonlinearity, initial geometrical imperfection and Pasternak type elastic foundation, the nonlinear axisymmetric response of shallow spherical FGM shells under mechanical, thermal loads and different boundary conditions is considered in this paper. Using the Bubnov-Galerkin method and stress function, obtained results show effects of elastic foundations, external pressure, temperature, material and geometrical properties on the nonlinear buckling and postbuckling of the shells. The snap-through behaviors of the FGM spherical shallow shells on elastic foundations also are analyzed carefully in this paper. Some results were compared with the ones of other authors. (C) 2013 Elsevier Masson SAS. All rights reserved.
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