Simulation Analysis of Car Front Collision Based on LS-DYNA and Hyper Works

Abstract

Based on the basic principle of vehicle crash analysis using the finite element method, a car finite element model was built by using Hypermesh software. To simulate the front collision test of the car, the LS-DYNA software is adopted to calculate the deformation of the car and the acceleration time history curves during the crashing process; the anti-impact capability of the car is evaluated from this simulation. The results demonstrate that the improvement of local structure can pro-mote the crashworthiness of the car, but the further improvement needs a major change of the car structure.