Topics in Applied Mechanics

pp 277-284

Combined Finite Element and Multibody Techniques for Vehicle Occupant Safety Studies

  • H. A. LupkerAffiliated withTNO Road-Vehicles Research Institute, Crash-Safety Research Centre

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The use of computer simulation techniques in automotive crash safety design has rapidly increased in the past years. For the human body as well as the restraint systems, e.g. seat belts and airbags, computer models are becoming more and more realistic. In existing Crash Victim Simulation programs the occupant is represented by a system of rigid bodies and the restraint systems with special force models.

The integrated multibody/finite element program for crash analyses MADYMO is described with special emphasis on the finite element airbag module. A validation study using a pendulum test with a driver side airbag is described. The agreement between the measured and calculated results is good. The kinematics of both driver and passenger side airbag systems in a car environment are shown.