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Origami Concave Tubes for Energy Absorption

Li, Yang and You, Zhong (2019) Origami Concave Tubes for Energy Absorption. International Journal of Solids and Structures, 169 . pp. 21-40. ISSN 0020-7683. http://resolver.caltech.edu/CaltechAUTHORS:20190322-095857435

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Abstract

The paper investigates the energy absorption performance of a new type of thin-walled tubes named as origami concave tubes whose cross-sections are concave polygons. Through the introduction of origami initiators, a reliable and progressive buckling failure mode can be successfully triggered, which is not a common feature for tubes with concave cross-sections. These origami concave tubes can achieve ultra-high energy absorption capability accompanied with relatively low peak forces. A comprehensive numerical, experimental, and theoretical analysis has been performed which shows that origami concave tubes can achieve 3.3 times the specific energy absorption of the comparable square tubes. We have also illustrated that origami concave tubes are approaching the theoretical limit of energy absorption.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/j.ijsolstr.2019.03.026DOIArticle
ORCID:
AuthorORCID
Li, Yang0000-0002-4939-8174
You, Zhong0000-0002-5286-7218
Additional Information:© 2019 Published by Elsevier Ltd. Received 29 October 2018, Revised 14 February 2019, Available online 22 March 2019.
Group:GALCIT
Subject Keywords:Energy absorption; Thin-walled structures; Concave cross-sections; Origami
Record Number:CaltechAUTHORS:20190322-095857435
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20190322-095857435
Official Citation:Yang Li, Zhong You, Origami concave tubes for energy absorption, International Journal of Solids and Structures, Volume 169, 2019, Pages 21-40, ISSN 0020-7683, https://doi.org/10.1016/j.ijsolstr.2019.03.026. (http://www.sciencedirect.com/science/article/pii/S0020768319301507)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:94044
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:22 Mar 2019 18:06
Last Modified:16 May 2019 15:32

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