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S-Rail Sled Testing With Deceleration Sled

[+] Author Affiliations
Robert R. Mayer, Scott Webb, Joe McCleary, Ruth Gusko

General Motors Corporation

Dino Oliveira, Michael Worswick

University of Waterloo

Paper No. IMECE2005-82333, pp. 367-380; 14 pages
doi:10.1115/IMECE2005-82333
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Engineering/Technology Management
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Engineering and Technology Management Group
  • ISBN: 0-7918-4230-4 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

This paper considers the effects of rotary draw bending on structural crashworthiness. We impacted tested aluminum alloy tubes in s-rail bending, using either 2.0 mm or 3.5 mm thickness, and bend radius of either 152.4 mm or 191 mm. This report documents and summarizes the test setup using the GM R&D Deceleration Sled to achieve this, with emphasis on later correlation with numerical simulation. Theoretical and numerical analyses were used to help with design setup. Forces and moments found in the tests were very consistent, suggesting good test setup design. We also found that using the longest tube section at the constrained end prevents inboard rotation and contact between the two s-rails.

Copyright © 2005 by ASME
Topics: Testing , Rails

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