Energy absorption of pre-folded origami under low speed impact

Wang Bo; Zhou Cai-hua; You Zhong

doi:10.11883/1001-1455(2015)04-0473-09

Volume 35 Issue 4

Jun. 2016

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Wang Bo, Zhou Cai-hua, You Zhong. Energy absorption of pre-folded origami under low speed impact[J]. Explosion And Shock Waves, 2015, 35(4): 473-481. doi: 10.11883/1001-1455(2015)04-0473-09

Citation:

Wang Bo, Zhou Cai-hua, You Zhong. Energy absorption of pre-folded origami under low speed impact[J]. Explosion And Shock Waves, 2015, 35(4): 473-481. doi: 10.11883/1001-1455(2015)04-0473-09

Wang Bo, Zhou Cai-hua, You Zhong. Energy absorption of pre-folded origami under low speed impact[J]. Explosion And Shock Waves, 2015, 35(4): 473-481. doi: 10.11883/1001-1455(2015)04-0473-09

Citation:

Wang Bo, Zhou Cai-hua, You Zhong. Energy absorption of pre-folded origami under low speed impact[J]. Explosion And Shock Waves, 2015, 35(4): 473-481. doi: 10.11883/1001-1455(2015)04-0473-09

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Energy absorption of pre-folded origami under low speed impact

doi: 10.11883/1001-1455(2015)04-0473-09

Wang Bo^{1, 2
,},
Zhou Cai-hua^{1, 2},
You Zhong³

1.
Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, Liaoning, China
2.
State Kay Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, Liaoning, China
3.
Department of Engineering Science, University of Oxford, Oxford OX13PJ, UK

Received Date: 2013-11-29
Rev Recd Date: 2014-03-05
Publish Date: 2015-08-10

Abstract

Abstract

A new type of creased square tube specifically designed with some folded lobes added at the wall of ordinary square tube is studied inorder not only to reduce the initial loading, but also to enhance the effective plastic area distortion which leads to a higher energy absorption efficiency. The numerical results based on the FEM package ABAQUS /EXPLICIT verify that the pre-folds could lead the pre-folded origami to the expected large deformation mode under low speed impact, which effectively reduce the peak load and also improve the average load of load-displacement curve compared with ordinary square tubes. The load-displacement curve obtained by FEM is identical to the results of low droped hammer test, which verifies the credibility of the numerical results as well as the high energy absorption characteristics of the tube.
- solid mechanics,
- energy absorption,
- low droped hammer test,
- thin-walled structure,
- crashworthiness design

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References(24)

References

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