期刊
THIN-WALLED STRUCTURES
卷 46, 期 1, 页码 65-78出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.tws.2007.07.011
关键词
buckling; conical shell; critical axial compressive load; critical buckling temperature difference; critical hydrostatic pressure; functionally graded material; thermal and mechanical instability
Thermal and mechanical instability of truncated conical shells made of functionally graded material (FGM) is studied in this paper. It is assumed that the shell is a mixture of metal and ceramic that its properties changes as a function of the shell thickness. The governing equations are based on the first-order shell theory and the Sanders nonlinear kinematics equations. The results are obtained for a number of thermal and mechanical loads and are validated with the known data in the literature. (c) 2007 Elsevier Ltd. All rights reserved.
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