The influences of selected parameters are assessed by comparing the different results in the impact force and absorbed energy vs.penetration of rock model. Some suggestions are proposed for numerical simulation in finite element code LS-DYNA.

• 通过比较计算结果的碰撞力曲线,能量吸收曲线来评价这些参数对数值模拟的影响并给出了一些建议。