本文采用有限单元法，运用ANSYS软件对土体在发射器冲击荷载下的变形进行瞬态动力学分析，确定关中某地黄土在受冲击时的位移及应力分......

Damage smear method(DSM)is adopted to study trans-scale progressive rock failure process,based on statistical meso-damag......