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Finite element method in car compatibility phenomena

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The main aim of the study is the side impact of the truck into the passenger car, which is one of the possible variants in compatibility case. The compatibility problem has direct influence at biomechanical injuries of the passengers travelling by the cars and also at deformation of the structure. This research should assign critical configurations of the truck and the car during side impact. Critical criteria of compatibility problem are biomechanical injuries structure deformation. The research was performed with Chrysler Neon mode, automotive seating (metal construction), Hybrid III dummy model and moving barrier with changed mass (equals to the mass of the heavy truck KAMAZ) and equipped with front underrun protection barrier (FUP - based on the geometry of the Mercedes ACTROS front structure). Interaction between car and heavy truck is at the driver side. During the research different location and angles of the barrier against the car has been taken into account. Two speeds were used to investigate the barrier influence to the car. The results of the simulation allow predicting the biomechanical coefficients such as: HIC, 3 ms, TTI, e.g., which give the overview of the passenger injuries. The other set of the data is plastic deformations which are visible at the Front Underrun Protection (FUP) barrier and also at the passenger car construction. The results of research allows to assign the direction ofthe changes which should be proposed to the truck manufactures in order to reduce passengers biomechanical injuries and intrusion into car during side impact.
Słowa kluczowe
  • Warsaw University of Technology Faculty of Power and Aeronautical Engineering Nowowiejska Street 24, 00-665 Warsaw CRASh S.C. - Computer Research for Automotive Safety Krasińskiego 71/50 Street, 05-120 Legionowo tel: +4822 7843621, fax: +4822 7843,
  • [1] Kajzer, J., Harada, Y., Compatibility between Trucks and Cars in road accidents, Seminar / Workshop Biomechanics of Impacts / Passive Safety Problems in Central and Eastern Europe, Warsaw 2001.
  • [2] Special issue: Vehicle compatibility in crashes, Status Report, Vol. 34, No. 9, October 1999.
  • [3] ESI Group, Virtual Performance Solution 2008 Explicit Solver Notes Manual, February 2008.
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