In order to improve the passive safety of automobiles, a three-dimensional model of the energy absorption box was established using three-dimensional software. Then, collision simulation experiments were designed in Ansys, and two new energy absorption box structures were designed based on the simulation results. The performance of the three energy absorption box schemes was compared in Ansys, and orthogonal experiments were conducted with the thickness and diameter of the energy absorption box as design variables to improve the buffering capacity of the energy absorption box as the experimental goal. Through Ansys simulation experiments, it was found that the newly designed energy absorbing box has reduced its mass by 9. 82% compared to the original structure, reduced the peak collision force by 42.04%, and reduced the maximum acceleration generated after rigid wall collision by 33.24%, effectively improving the buffering capacity of the anti-collision beam.
关键词
汽车防撞/碰撞仿真/结构优化/吸能盒
Key words
car collision prevention/collision simulation/structural optimization/energy absorption box