Theoretical prediction and numerical studies of expanding circular tubes as energy absorbers
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- 作者：Jiali Yana ; Shuguang Yaoa ; Ping Xua ; b ; yanjialish@163.com" class="auth_mail" title="E-mail the corresponding author ; Yong Penga ; Heng Shaoa ; Shizhong Zhaoc
- 关键词：Expansion ; Circular tube ; Energy absorption ; Angle ; Friction
- 刊名：International Journal of Mechanical Sciences
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：105
- 期：Complete
- 页码：206-214
- 全文大小：2212 K
文摘
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Expanding energy-absorbing structure was investigated.
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The theoretical model considering the additional shear was accurate.
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Both expansion angle and friction had great influence on energy absorption.
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With friction, the inflection point of force curve existed between 10° and 20°.