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System Level Bench Test for Trailing Arm Strength Estimation

[+] Author Affiliations
Jaychandar Muthu, Kanak Soundrapandian, Jyoti Mukherjee

Ford Motor Company

Paper No. IMECE2006-14788, pp. 1001-1005; 5 pages
  • ASME 2006 International Mechanical Engineering Congress and Exposition
  • Design Engineering and Computers and Information in Engineering, Parts A and B
  • Chicago, Illinois, USA, November 5 – 10, 2006
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4767-5 | eISBN: 0-7918-3790-4
  • Copyright © 2006 by Ford Motor Company


For suspension components, bench testing for strength is mostly accomplished at component level. However, replicating loading and boundary conditions at the component level in order to simulate the suspension system environment may be difficult. Because of this, the component's bench test failure mode may not be similar to its real life failure mode in vehicle environment. A suspension system level bench test eliminates most of the discrepancies between simulated component level and real life vehicle level environments resulting in higher quality bench tests yielding realistic test results. Here, a suspension level bench test to estimate the strength of its trailing arm link is presented. A suspension system level nonlinear finite element model was built and analyzed using ABAQUS software. The strength loading was applied at the wheel end. The analysis results along with the hardware test correlations are presented. The reasons why a system level test is superior to a component level one are also highlighted.

Copyright © 2006 by Ford Motor Company



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