分析了用变形能网格图计算斜碰撞速度时产生误差的主要原因。
The main reason producing error is analyzed when using deformation energy square calculates oblique collision speed.
工程中的有限元计算能反映边坡的变形特征、应力状态和破坏机理，但是尚不能给出一个直观的安全系数。
The FEM computation of engineering can reflect the characteristic of deformation, stress state and destroy mechanism of slope, but can not get an intuitionistic safety factory.
计算结果显示，该结构撞击变形过程相对稳定，与修正的吸能和平均压塌力控制方程计算结果很接近；
The result shows that the bumping and deforming process are comparatively steady and the numerical result is very similar to the theory calculation result.
应用推荐