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	Eccentricity effects on the crushing history and energy absorption of metal tubes collapsed in concertina mode
	Song Hongwei ; Fan Zijie ; Tan Huifeng ; Wang Qingchun
	2010-05-11 ; 2010-05-11
关键词	Theoretical or Mathematical Experimental/ bending compressive strength ductility plasticity/ axial crushing energy absorption rigid plastic eccentricity effects concertina mode round metal tube collapsing axial compressive loading mean crushing load load-displacement curves/ A4630J Viscoelasticity, plasticity, viscoplasticity, creep, and stress relaxation
中文摘要	The classical problem of a round metal tube collapsing in concertina mode when subjected to axial compressive loading has been reexamined both theoretically and experimentally. The model including an eccentricity factor proposed by Wierzbicki et al. and modified by Singace et al. has been taken one step further to obtain the real load-displacement history and to investigate eccentricity effects. The influence of the eccentricity parameter m on the mean crushing load was discussed according to the present analysis. Experiments were carried out to verify the eccentricity effects. The results show that experimental and theoretical load-displacement curves match perfectly, especially in terms of half wavelength. Unlike previous researches, the results suggest that m is not a fixed value and may affect energy absorption.
语种	英语 ; 英语
出版者	Editorial Board of J. of Tsinghua University ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/25496]
专题	清华大学
推荐引用方式 GB/T 7714	Song Hongwei,Fan Zijie,Tan Huifeng,et al. Eccentricity effects on the crushing history and energy absorption of metal tubes collapsed in concertina mode[J],2010, 2010.
APA	Song Hongwei,Fan Zijie,Tan Huifeng,&Wang Qingchun.(2010).Eccentricity effects on the crushing history and energy absorption of metal tubes collapsed in concertina mode..
MLA	Song Hongwei,et al."Eccentricity effects on the crushing history and energy absorption of metal tubes collapsed in concertina mode".(2010).

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