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	Collapse of periodic planar lattices under uniaxial compression, part I: Quasi-static strength predicted by limit analysis
	Qiu, X. M. ; Zhang, J. ; Yu, T. X.
	2010-10-12 ; 2010-10-12 ; OCT,NOV
关键词	Planar lattices Collapse strength Energy absorption Kinematical admissible field Static FINITE-ELEMENT HONEYCOMBS Engineering, Mechanical Mechanics
中文摘要	The collapse strength is analyzed for typical periodic planar lattices under uniaxial compression. In this part, the quasi-static strengths of the lattices are predicted by limit analysis, with the consideration of the elastic effect and large deformation effect. The planar lattices are firstly classified into bending-dominated and membrane-dominated structures. Collapse strength of typical bending-dominated lattices, such as hexagonal and rhombus structures, has identical initial lower bound and upper bound, so that the equivalent stress-strain curve of a bending-dominated lattice possesses a plateau. On the contrary, the equivalent stress-strain curve of a membrane-dominated lattice, such as square, triangular or Kagome structure, usually contains a peak followed by a sharp drop without a plateau. Consequently, the energy absorption behavior of the bending-dominated lattices is similar to type I structure, while that of the membrane-dominated lattices is similar to type II structure. (C) 2009 Elsevier Ltd. All rights reserved.
语种	英语 ; 英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD ; OXFORD ; THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79133]
专题	清华大学
推荐引用方式 GB/T 7714	Qiu, X. M.,Zhang, J.,Yu, T. X.. Collapse of periodic planar lattices under uniaxial compression, part I: Quasi-static strength predicted by limit analysis[J],2010, 2010, OCT,.
APA	Qiu, X. M.,Zhang, J.,&Yu, T. X..(2010).Collapse of periodic planar lattices under uniaxial compression, part I: Quasi-static strength predicted by limit analysis..
MLA	Qiu, X. M.,et al."Collapse of periodic planar lattices under uniaxial compression, part I: Quasi-static strength predicted by limit analysis".(2010).

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