The 2D dimension elastic-plastic model of rock mass was adopted and the smooth blasting process with and without damage were simulated with the dynamic finite program ANSYS/LS-DYNA.

• 摘要应用动力有限元ANSYS/LS-DYNA程序，建立岩体二维弹塑性模型，对不考虑损伤和考虑损伤的光面爆破过程进行了数值模拟，并比较2种模型最大有效应力随距离的变化关系。