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	Limit analysis of orthotropic axisymmetric shells
	Chang Xiaohuan ; Li Xin'gang ; Liu Yinghua
	2010-05-07 ; 2010-05-07
关键词	Practical Theoretical or Mathematical/ elasticity internal stresses pressure vessels quadratic programming shells (structures)/ orthotropic axisymmetric shells limit analysis quasi-conforming elements elastic stress field therm-param method residual elastic stresses nonlinear mathematical programming problem sequential quadratic programming SQP method Hill criterion isotropic von Mises materials anisotropic pressure vessels/ E2110A General shapes and structures E2180A Elasticity (mechanical engineering) E0210G Optimisation
中文摘要	A numerical method was developed for limit analysis of axisymmetric shells. Quasi-conforming elements were used to construct the elastic stress field with the therm-param method used to calculate the residual elastic stresses. The limit analysis problem is then cast as a nonlinear mathematical programming problem which is solved by the sequential quadratic programming (SQP) method. Since von Mises' condition is a special case of Hill's criterion, the new method can also be applied to isotropic von Mises' materials. Numerical results of the limit analysis of combined shells subjected to internal pressures are presented using Hill's as well as von Mises' conditions. The results facilitate the design of anisotropic pressure vessels.
语种	中文 ; 中文
出版者	Tsinghua Univ. Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/16262]
专题	清华大学
推荐引用方式 GB/T 7714	Chang Xiaohuan,Li Xin'gang,Liu Yinghua. Limit analysis of orthotropic axisymmetric shells[J],2010, 2010.
APA	Chang Xiaohuan,Li Xin'gang,&Liu Yinghua.(2010).Limit analysis of orthotropic axisymmetric shells..
MLA	Chang Xiaohuan,et al."Limit analysis of orthotropic axisymmetric shells".(2010).

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