WU Ping-bo, XUE Shi-hai, YANG Chen-hui. Dynamic response of high-speed passenger car based on flexible car body model[J]. Journal of Traffic and Transportation Engineering, 2005, 5(2): 5-8.
Citation: WU Ping-bo, XUE Shi-hai, YANG Chen-hui. Dynamic response of high-speed passenger car based on flexible car body model[J]. Journal of Traffic and Transportation Engineering, 2005, 5(2): 5-8.

Dynamic response of high-speed passenger car based on flexible car body model

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  • Author Bio:

    Wu Ping-bo(1968-), male, PhD, researcher, 86-28-87600882, wupingbo@263.net

  • Received Date: 2005-03-20
  • Publish Date: 2005-06-25
  • In order to analyze the influence of passenger car flexible vibration on passenger car stability, two nonlinear dynamic models of high-speed passenger car were set up based on the rigid multi-body system and flexible multi-body system respectively, the influence of car body elastic vibration on its ride comfort was analyzed. The roller rig dynamic test for passenger car was implemented, the numerical simulation results for passenger car dynamic response were validated. The simulation and test results show that the stability index difference of the models in car body center is obvious, the higher the speed is, the larger the difference is, the flexible car body model will increase the ride index of car body. For the high-speed passenger car body made of aluminum alloy, the first vertical frequency of car body must be improve.

     

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