The deformation mechanism analysis of a circular tube under free inversion
The deformation mechanism analysis of a circular tube under free inversion
复制标题
圆管自由翻转变形机理分析
DOI:
10.1016/j.tws.2016.05.019
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发表时间:
2016-10
影响因子:
6.4
通讯作者:
Yu T. X.
中科院分区:
文献类型:
--
作者:
Qiu XinMing;Yu XiaoHuan;Li YiLiang;Yu T. X.
As a popularly adopted design of thin-walled energy absorber, a circular tube under free inversion has been studied theoretically since 1960s However, in all the existing models, the profile of inversion is assumed to be a semi-circle, i.e., the curvature in the region of inversion is a constant. In this study, from equilibrium of a representative element, the curvature is found to be varying, due to bending moment distribution. The conclusion of varying curvature is verified by the corresponding finite element simulations.Then the deformation mechanism of a tube under free inversion is theoretically investigated by establishing a curvature varying model. Considering the interaction of bending and tension, the steady inversion load and knuckle radius predicted by current model agree well with those obtained from FE simulations as well as the experimental data published in literature.
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影响因子:
6.3
作者:
He Yang;Sun Zhichao;Jin Yingjun
通讯作者:
He Yang;Sun Zhichao;Jin Yingjun
影响因子:
7.3
作者:
X. Qiu;Lianghong He;Jie Gu;Xiaohuan Yu
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X. Qiu;Lianghong He;Jie Gu;Xiaohuan Yu
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作者:
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T. G. Ghazijahani;H. Jiao;D. Holloway
DOI:
--
发表时间:
1966-09
期刊:
--
影响因子:
--
作者:
L. R. Guist;D. Marble
通讯作者:
L. R. Guist;D. Marble
DOI:
10.1243/03093247v183177
发表时间:
1983-07
期刊:
The Journal of Strain Analysis for Engineering Design
影响因子:
--
作者:
A. Kinkead
通讯作者:
A. Kinkead