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。
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。
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。
For dynamics modeling of 3d fluid-solids two-phase flows in engineering problem it was brought forward of particles trajectory flexible model based on the discrete element method (DEM).
为解决工程应用中三维流固两相流动力学建模的难题，提出了基于离散单元法(dem)的颗粒群轨道柔性模型。
For analyzing the influence of aggregate gradation on the concrete behavior, the grain-spring model of discrete element method is presented.
分析的具体行为的影响骨料级配，颗粒-弹簧模型离散元方法。
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.
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。
Let the discrete element method (DEM) be developed into the numerical simulation of 3d fluid-solid two-phased flows, the trajectory flexible model of particle group has been put forward.
将离散单元法(DEM)拓展到三维流固两相流的数值模拟中，提出了颗粒群轨道柔性模型。
This paper uses the combined finite-discrete element method with smeared rotating crack model to analyze the seismic rupture process simulation of concrete gravity dam under the action of earthquake.
应用联合有限-离散元法结合弥散式旋转裂缝模型分析了地震作用下混凝土重力坝动力破坏过程。
This thesis introduces three kinds of reinforced concrete finite element method model which are assembled model, smeared model and discrete model.
本文分析了三种钢筋混凝土有限元模型：组合式模型、整体式模型和分离式模型。
The calculated method of crack extension of arch DAMS is proposed using this strength criterion and finite element discrete crack model, and with some practical examples given.
运用上述强度准则及有限元分离裂缝模型提出了拱坝开裂的计算方法，并给出了应用实例。
A discrete crack model based on the extended finite element method (XFEM) was used to describe the nonlinear fracture of concrete gravity DAMS during earthquakes.
为了模拟重力坝在强震作用下的破坏过程，利用扩展有限元框架下的分离裂纹模型描述混凝土中的裂纹扩展。
In this paper, the contact search for blocks of discrete element method is studied and a new bolt model is given.
本文对其接触状态的检索进行了探讨，并提出了新锚杆模型。
The inversion method combining the genetic neural network and the discrete element simulation of triaxial tests is proposed for determining the contact model parameters of the conditioned soil.
将神经网络、遗传算法、三轴实验和离散元数值模拟相结合，用于改性砂土等效离散元接触模型参数反演。
The inversion method combining the genetic neural network and the discrete element simulation of triaxial tests is proposed for determining the contact model parameters of the conditioned soil.
将神经网络、遗传算法、三轴实验和离散元数值模拟相结合，用于改性砂土等效离散元接触模型参数反演。
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