Journal of Northeastern University(Natural Science)
Analysis of Pre-existing Crack Propagation Process Based on Discrete Element Method
ZHAO Yong， YANG Tian-hong， YU Qing-lei， ZHANG Peng-hai
Journal of Northeastern University Natural Science . 2018, (7): 1038 -1043 .  DOI: 10.12068/j.issn.1005-3026.2018.07.025