Energy absorption in splitting metal tubes with polygonal section

ZHANG Tao; WU Ying-you; ZHU Xian-ming; LIU Tu-guang

doi:10.11883/1001-1455(2007)03-0223-07

Volume 27 Issue 3

Oct. 2014

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Article Navigation > Explosion And Shock Waves > 2007 > 27(3): 223-229

CHANG Mengzhou, FAN Feigao, TANG Enling, HE Liping, GUO Kai, CUI Huapeng, CHEN Chuang, HAN Yafei, WANG Ruizhi, CAO Hongxiang. Research progress of shock induced polarization effect in solid mediums[J]. Explosion And Shock Waves, 2024, 44(9): 091411. doi: 10.11883/bzycj-2023-0473

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ZHANG Tao, WU Ying-you, ZHU Xian-ming, LIU Tu-guang. Energy absorption in splitting metal tubes with polygonal section[J]. Explosion And Shock Waves, 2007, 27(3): 223-229. doi: 10.11883/1001-1455(2007)03-0223-07

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Energy absorption in splitting metal tubes with polygonal section

doi: 10.11883/1001-1455(2007)03-0223-07

1.
Huazhong University of Science and Technology, Wuhan 430074, Hubei, China;
2.
701 Institute, Shipbuilding Research and Design Center of China, Wuhan 430064, Hubei, China

Publish Date: 2007-05-25

Abstract

Abstract

An investigation into the energy absorption behaviors of axially splitting thin-walled metal tubes with polygonal sections was carried out. Curl radius and crushing forces were theoretically calculated for the system under quasi-static load. Numerical solution of the energy dissipating system was obtained by LS-DYNA finite element method and compared with the theoretical results.Influences of die semi-angle, wall thickness and edge number on energy absorption of the structure were discussed by analyzing tearing energy, plastic deformation energy and frictional energy.
- theoretical mechanics,
- energy absorption,
- finite element method,
- thin-walled tube with polygonal section,
- splitting

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