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External Inversion of Thin-walled Corrugated Tubes

Li, Yang and You, Zhong (2018) External Inversion of Thin-walled Corrugated Tubes. International Journal of Mechanical Sciences, 144 . pp. 54-66. ISSN 0020-7403 . http://resolver.caltech.edu/CaltechAUTHORS:20180522-132553981

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Abstract

A thin-walled circular tube is known to be able to invert externally under axial compression when it is placed upon a profiled rigid die. Such a structure has become a promising candidate for energy absorbing applications due to its high reaction force and good load uniformity. However, the inversion process could become rather unstable when imperfections are present and the friction between the tube and die is high, which largely limits its application. In this paper we propose the use of corrugated thin-walled tubes. Both simulation and experimental results show that thin-walled corrugated tubes can have much more stable inversion in comparison with their circular counterparts. They are less sensitive to the surface imperfections, and no stringent requirement of lubrication on the die is necessary. Our research has paved the way for such devices to be used as an effective energy absorption device in many practical applications.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/j.ijmecsci.2018.05.044DOIArticle
Additional Information:© 2018 Published by Elsevier Ltd. Received 29 December 2017, Revised 15 May 2018, Accepted 19 May 2018, Available online 22 May 2018.
Group:GALCIT
Subject Keywords:External inversion; Thin-walled tube; Axial compression; Corrugation
Record Number:CaltechAUTHORS:20180522-132553981
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180522-132553981
Official Citation:Yang Li, Zhong You, External inversion of thin-walled corrugated tubes, International Journal of Mechanical Sciences, Volume 144, 2018, Pages 54-66, ISSN 0020-7403, https://doi.org/10.1016/j.ijmecsci.2018.05.044. (http://www.sciencedirect.com/science/article/pii/S0020740317337116)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86550
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:24 May 2018 16:46
Last Modified:05 Jun 2018 17:26

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