چكيده به لاتين
An automotive assembled from systems like chassis, power transmission, electrical, hardware, HVAC systems together with interior and exterior trims. Automotive interior trim contains instrument panel (IP), cover pillar, door trim panel and grab handle subsystems. In this dissertation, effect of low velocity impact and structural stiffness on behavior of these subsystems in final product of national platform has been investigated. In this regard in order to promote the platform safety, this system is designed according to FMVSS 201 standard and safety requirements in terms of with passenger head impact on IP and cover pillar during accident and brake time is simulated. In modeling of IP, effect of materials like pp, foam and CFRP on results of simulation is analyzed. In this work also local stiffness of door trim panel and grab handle requirements are evaluated. Finally, to increase the passenger’s cabin safety in the course of side impact accident, the role of different alloys on car cross beam strength is compared according to European side impact test standard evaluated. Consequently, Results shows that using PP + Foam + CFRP material can be decreased head injury. Meanwhile, it is obtained that replacing aluminum car cross beam with steel redound decrease 38 percent of the beam weight together with retaining safety. Results reveal that door trim panel subsystem except two regions has sufficient stiffness for carrying loads. For critical regions is also presented recommended method.
Keywords: Interior Trim System, Head Injury Criteria
