Study on the Driver's Lower Limb Injuries in Rear-End Truck Accident

摘要

There is a high risk of lower limb injury in the rear-end truck accidents. This study aims to explore the biomechanical mechanism of lower limb injuries by establishing finite element (FE) simulation model of different collisions, and the installation height of the rear anti-collision barrier is analyzed. Using the minibus FE model and the total human model for safety (THUMS4.0) to construct the collisions that the minibus rear-end truck and the minibus head-on collision with the rigid walls of 0cm, 40cm, 50cm, 60cm in height, respectively. The velocity of this five collisions are 56km / h. As the height of the rigid wall increases, the peak value of von Mises equivalent stress at femur increases gradually. If the lower edge of the rigid wall is higher than the height of front rails. The front rail will not produce a good deformation. The intrusion of the dashboard will be large. The injuries of lower limb were also increased. In minibus frontal collision, the driver's femur injury is related to the intrusion of the dashboard. The height of rear anti-collision barrier should lower than the front rails of minibus.