基于FDEM的岩石颗粒破碎后碎片形状的统计分析

周剑,马刚,周伟,程勇刚,黄泉水,曹学兴

Statistical analysis of fragment shape of rock grain after crushing based on FDEM

Jian ZHOU,Gang MA,Wei ZHOU,Yong-gang CHENG,Quan-shui HUANG,Xue-xing CAO

表 3 颗粒的4种网格

Tab.3 Four different meshes of grain

编号 ${l_{\rm{e}}}$/mm ${n_{\rm{n}}}$ ${n_{\rm{e}}}$ $n_{{\rm{CIE}}}^{\min }$ G-M1 5.18 21 476 13 671 4 G-M2 4.49 31 731 21 064 5 G-M3 3.10 91 751 63 761 7 G-M4 2.21 249 662 176 650 9