从散体力学的角度，分析了矿石块度大小、粗颗粒矿石含量对抗剪强度的影响。
The effects of ore fragmentation and coarse particle content on shear strength are analyzed from the angle of mechanics of granular media.
土壤是典型的松散介质，利用粘连的颗粒离散元模型模拟土壤聚团的行成及破裂一直是散体力学的热点之一。
Soil is a typical unconsolidated medium, and it is one of the most popular questions that the simulation for the generation and fracture of soil agglomerate with adhesive particle DEM.
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