On a PC cluster with 8 nodes, the speedup can approximately reach 5.5, and for the whole car crash simulation of 150000 DOFs and 160000 time steps takes the computing time of 7.26 hours.

• 在八结点机群环境下；并行加速比可达到5.；5；对于十五万自由度的整车碰撞问题；计算160000个时间步；计算时间仅为7