On the effects of tube butting on the structural performance of steel bicycle frames

Derek Covill, Jean-Marc Drouet

Research output: Contribution to journalArticle

Abstract

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.
Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalProceedings
Volume2
Issue number6
DOIs
Publication statusPublished - 22 Feb 2018

Bibliographical note

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Keywords

  • bicycle
  • frame
  • butted tubing
  • finite element analysis
  • structural analysis

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