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On the Effects of Tube Butting on the Structural Performance of Steel Bicycle Frames

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School of Computing, Engineering and Mathematics—University of Brighton, Cockcroft Building, Lewes Road, Brighton BN2 4GJ, UK
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VELUS Laboratory, Mechanical Engineering Department, Universite de Sherbrooke 2500, Boulevard de l’Universite, Sherbrooke, QC J1K 2R1, Canada
*
Author to whom correspondence should be addressed.
Presented at the 12th Conference of the International Sports Engineering Association, Brisbane, Queensland, Australia, 26–29 March 2018.
Proceedings 2018, 2(6), 216; https://doi.org/10.3390/proceedings2060216
Published: 13 February 2018
(This article belongs to the Proceedings of The Conference of the International Sports Engineering Association)
Previous studies have shown how finite element analysis (FEA) can be used to support designers and frame builders in the selection of butted tubes to tune the stiffness and strength behaviour of steel bicycles. The aim of this paper was therefore to analyse the effects of tube butting on the stiffness, stress distribution and energy absorption behaviour of bicycle frames using numerical simulations. Butted tubes were shown to provide a highly effective means to decrease mass whilst producing a disproportionately small change in stress compared with a straight gauge tubeset with a maximum material condition although there was no added benefit in terms of stiffness or strain energy. Conversely, decreasing the wall thickness produced an increase in stress at the tube ends that was disproportionate to the change in mass. This work can now be extended to analyse a fuller set of butted profiles for a range of tube types.
Keywords: bicycle; frame; butted tubing; finite element analysis; structural analysis bicycle; frame; butted tubing; finite element analysis; structural analysis
MDPI and ACS Style

Covill, D.; Drouet, J.-M. On the Effects of Tube Butting on the Structural Performance of Steel Bicycle Frames. Proceedings 2018, 2, 216.

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