Dynamic simulation and energy absorption of tapered thin-walled tubes under oblique impact loading

Nagel, Gregory M. & Thambiratnam, David P. (2006) Dynamic simulation and energy absorption of tapered thin-walled tubes under oblique impact loading. International Journal of Impact Engineering, 32(10), pp. 1595-1620.

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Abstract

In real-world impact loading situations the structure could be subjected to both axial and off-axis loads. Tapered thin-walled rectangular tubes have been considered desirable impact energy absorbers due to their ability to withstand oblique impact loads as effectively as axial loads. Despite this, relatively few studies have been reported on the response of such structures under oblique loading. The aim of this paper is to compare the energy absorption response of straight and tapered thin-walled rectangular tubes under oblique impact loading, for variations in the load angle, impact velocity and tube dimensions. It is found that the mean load and energy absorption decrease significantly as the angle of applied load increases. Nevertheless, tapering a rectangular tube enhances its energy absorption capacity under oblique loading. The outcome of the study is design information for the use of straight and tapered thin-walled rectangular tubes as energy absorbers in applications where oblique impact loading is expected.

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51 citations in Web of Science®

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ID Code: 10399
Item Type: Journal Article
Refereed: Yes
Additional Information: For more information, please refer to the journal’s website (see hypertext link) or contact the author.
Keywords: Tapered tubes, Energy absorption, Oblique impact, Finite element, Crashworthiness
DOI: 10.1016/j.ijimpeng.2005.01.002
ISSN: 0734-743X
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2006 Elsevier
Deposited On: 24 Oct 2007 00:00
Last Modified: 29 Feb 2012 13:17

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