Buckling Equations of Orthotropic Thin Plates

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题名:	Buckling Equations of Orthotropic Thin Plates
作者:	Kuo, S.-R.;Yau, J. D.
贡献者:	淡江大學建築學系
关键词:	Buckling analysis;Edge-loaded plate;Incremental virtual work equation;Orthotropic plate
日期:	2012-09
上传时间:	2012-08-09 22:13:28 (UTC+8)
出版者:	Cambridge: Cambridge University Press
摘要:	Conventionally, only three components of stress, i.e., the membrane stresses (1σxx, 1σyy, 1σxy) in x-y plane along span directions, are considered in deriving the buckling equations of thin plates using energy approaches.Of particular interest in this study is to take all the six components of stress into account in formulating the potential energy for an orthotropic plate. By invoking the conditions of stress equilib-rium for the plate and Green's theorem to relate the potential energy to external virtual works, all the in-stability potential terms associated with the non-conventional stresses (1σxz, 1σyz, 1σzz) can either cancel those terms conventionally referred to as higher-order terms or combine with them to yield some new but meaningful terms. For this reason, the present approach contains more physical and compact meaning than conventional ones in the process of derivation. With the present governing differential equations, bending buckling problems of orthotropic rectangular plates will be investigated in this study.
關聯:	Journal of Mechanics 28(3), pp.555-567
DOI:	10.1017/jmech.2012.64
显示于类别:	[建築學系暨研究所] 期刊論文

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