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Rollover Case Study Simulation for HMMWV Military Vehicle

[+] Author Affiliations
Youngwon Hahn, Zheng-Dong Ma, Gregory M. Hulbert, Noboru Kikuchi

University of Michigan, Ann Arbor, MI

Paper No. DETC2007-35287, pp. 2035-2041; 7 pages
  • ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5: 6th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B, and C
  • Las Vegas, Nevada, USA, September 4–7, 2007
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4806-X | eISBN: 0-7918-3806-4
  • Copyright © 2007 by ASME


In this research, the rollover simulation for military vehicle, HMMWV (High Mobility Multi-purposed Wheeled Vehicle), is performed using commercial software ADAMS. Two rollover test procedures, J-turn and Fishhook, are simulated following NHTSA rollover test report with the variation of the vehicle speed and the design variables — the stiffness of body mount bush and stabilizer bar, which can be easily modified in the field. Around the critical velocity at which rollover is occurred, rollover phenomena are assessed with the variation of the design variable. Among roll rate and tire lift-off time, tire lift-off time is shown as a good rollover index from the simulation results. The discussion of the sensitivity results for the design variable is also provided.

Copyright © 2007 by ASME



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