The discrete element method (DEM) is introduced, which includes hard sphere model and soft sphere model.

着重介绍了非连续介质模型中的离散元法(dem)：硬球模型和软球模型。

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The PFC numerical simulations (Discrete Element Method) were carried out on the base of the results of model test.

在室内模型试验的基础上对加筋路堤进行了颗粒流离散元模拟分析。

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This paper introduced the discrete Element Method which was used in rock mechanics into the research of polymer extruder's solid-conveying zone, and set up a discrete transport model.

将岩石力学中的研究方法———离散单元法引入塑料挤出固体输送研究中，并建立了固体输送段的离散输送模型。

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