Curved laminate analysis

文化大學機構典藏 CCUR > 理工學院 > 工學院 > 機械工程系暨機械工程學系數位機電研究所 > 期刊論文 > Item 987654321/24007

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题名:	Curved laminate analysis
作者:	Chiang, YC (Chiang, Yih-Cherng)
贡献者:	Dept Mech Engn
关键词:	curved laminate constitutive relation nonlinear SHELLS PANELS BEAMS
日期:	2011-07
上传时间:	2013-01-16 14:03:38 (UTC+8)
摘要:	This paper is devoted to the development of the equations which describe the elastic response of a curved laminate subjected to in-plane loads and bending moments. Similar to the classic 6 x 6 ABD matrix constitutive relation of a flat laminate, a new 6 x 6 matrix constitutive relation between force resultants, moment resultants, mid-plane strains and deformed curvatures for a curved laminate is fonnulated. This curved lamination theory will provide the fundamental basis for the analyses of curved laminated structures. The stress predictions by the present curved lamination theory are compared to those by the curved laminate analysis that neglected the nonlinear terms in the derivation of the constitutive relation. The results show that the curved laminate analysis that neglected the nonlinear terms cannot reflect the effect of curvature and can no longer predict the stresses accurately as the curvature becomes noticeable. In this paper, a curved lamination theory that retains the nonlinear terms and, therefore, accounts for the effect of the non-flat geometry of the structure will be developed.
關聯:	STRUCTURAL ENGINEERING AND MECHANICS Volume: 39 Issue: 2 Pages: 169-186
显示于类别:	[機械工程系暨機械工程學系數位機電研究所] 期刊論文

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