为了分析砂岩类无序介质在各种荷载作用下的连续破坏过程，本文提出了梁-颗粒细观模型。
In this paper the beam particle model at a fine structural scale is presented for analysis of the progressive failure of such brittle disordered materials as sandstone by different loadings.
梁–颗粒模型是在离散单元法基础上，结合有限单元法提出的用于模拟岩石类材料破坏过程的数值模型。
This numerical method used simulating damage and fragmentation phenomena of rock-like materials is presented on the basis of discrete element method (DEM) and lattice model.
通过将卵形头弹的计算结果与试验数据相比较，表明梁–颗粒模型可有效应用于计算和模拟脆性材料动态破坏问题。
The comparison of the simulated results with the experimental data shows that the BPM2D is applicable to the simulation of dynamic failure problems for brittle materials.
通过将卵形头弹的计算结果与试验数据相比较，表明梁–颗粒模型可有效应用于计算和模拟脆性材料动态破坏问题。
The comparison of the simulated results with the experimental data shows that the BPM2D is applicable to the simulation of dynamic failure problems for brittle materials.
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