关键词:

人车碰撞事故, 行人损伤, 车辆建模, MADYMO仿真软件

Abstract:

Objective Vehicles collision with pedestrians has caused heavy losses of people's lives and property. Studying the biomechanical response of pedestrians in real accidents is of far-reaching significance for the protection of vulnerable road groups and reducing casualties. Methods This paper combines PC-Crash and MADYMO simulation software to carry out accident reconstruction and human injury recurrence analysis on a real traffic accident. Firstly, Through PC-Crash analysis, the collision parameters that are consistent with the accident data can be obtained. Then the multi-rigid body model and pedestrian zoom model will be established, and these parameters were applied to MADYMO model as boundary and initial conditions. Results The simulation model can reproduce the collision movement of the pedestrian in the accident. The biomechanical response parameters of the head and lower limbs obtained by the simulation are in good agreement with the pedestrian injury diagnosis results. Conclusion The results have shown that accident reconstruction and damage reconstruction can use MADYMO and PC-Crash coupling calculation methods. The methods not only can simplify the analysis of the actual traffic accident reconstruction, but also prove the effectiveness of the model and method. An effective tool for studying the injury parameters of vulnerable road groups which has reference value for the forensic identification of traffic injuries and the deepening of the research on the mechanism of traffic injuries.

Key words:

pedestrian vehicle collision accidents, pedestrian injury, vehicle modeling, MADYMO simulation software