The characteristics of the continuum-based discrete element method are introduced in detail.
详细介绍基于连续介质的离散元法的特点；
The discrete element method based on static relaxation is extended to three dimensional case.
将基于静态松弛解法的离散单元法推广至三维。
Meanwhile a new way to determine the contacting parameters for discrete element analysis is presented.
同时，对离散元方法的应用，特别是参数选取进行了有益的探讨。
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 static synchronous relaxation discrete element method (SSRDEM) was extended to three dimensional case.
将静态同步松弛离散单元法(SSRDEM)推广至三维。
The motions of coal particles was simulated with the Discrete Element Method in the bulling fluidized bed.
应用离散单元方法对流化床内煤粒的运动进行了模拟。
The static synchronous relaxation discrete element method (SSRDEM) was extended to three dimensional case.
将基于静态松弛解法的离散单元法推广至三维。
The multi-rigid-body discrete element method was proposed for the analysis of deep-ocean mining pipe system.
采用多刚体离散元方法对长管线系统进行计算分析。
The moving process of solid particles in a vibrating feeder is investigated by means of Discrete Element Method.
利用离散元方法对颗粒在振动给料机中的运动过程进行了数值研究。
The motions of coal particles was simulated with the Discrete Element Method (DEM) in the bulling fluidized bed.
应用离散单元方法(DEM)对流化床内煤粒的运动进行了模拟。
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 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。
Discrete element method (DEM) based numerical simulation is conducted for the jointed rock under uniaxial press loading.
采用三维离散元方法，模拟含节理岩块的单轴受压试验。
Both the general spring coefficient matrix of flexible connector and the mass matrix of discrete element are off-diagonal.
推导出一般情形下柔性连接元的广义弹簧系数矩阵和刚体元的质量矩阵都是非对角的。
Using discrete element method the dynamic behavior of soil is simulated so as to reveal the change law of soil from the microscopic view.
应用离散单元法进行土壤动态行为模拟，从细观上揭示了土壤动态行为的变化规律。
DEM (Discrete Element Method) is used to simulate the gas-solid flow of a two-dimension fluidized bed with L-type wind caps in this paper.
该文采用离散元素法DEM模型对二维L型定向风帽流化床中的气-固流动特性进行模拟。
Meanwhile, by some examples studied, the reasonable range of stiffness coefficient has been obtained during the discrete element calculating.
同时，本文还通过算例分析，得到离散单元的计算中块体的刚度系数选取的合理范围。
The dynamic relaxation technique in discrete element method is introduced to solve the permeability field without assembling the global matrix.
采用离散元方法中的动态松驰技术，在无须组装整体渗透矩阵的情况下求解裂隙网格各结点的水头值。
It's known that the discrete element method well considers the discontinuity character of rock mass, and can be used to analyze the joint rock mass.
而离散元法正是充分考虑到岩体结构的不连续性，适用于解决节理岩石力学问题。
The basic principles of DEM(discrete element model), and the equations of particle motion and models of particle particle interaction are introduced.
介绍了离散元（DEM）方法的基本原理、颗粒运动控制方程和颗粒相互作用力的数学模型。
With analog testing, graphical analysis, discrete element calculation method, the features of mining caused fractures of overlaying strata is studied.
本文应用模型实验、图像分析、离散元模拟等方法，对上覆岩层采动裂隙分布特征进行了研究。
The SLM is developed to simulate the complicate dynamic process for structural collapse of demolishing blast in frame of DEM(Discrete Element Method).
开发了离散元框架内的网格实体模型（SLM），模拟拆除爆破中结构倒塌的复杂动力学过程。
A new simulation strategy using the Discrete Element Method (DEM) based on spherical particle contact mechanics to tillage soil dynamics was proposed.
提出了采用基于颗粒接触力学原理的离散元法对耕作土壤动力学问题进行数值模拟的新思路。
Numerical simulations on particle mixing characteristics of spout-fluid bed were carried out in three dimensional based on discrete element method (DEM).
采用离散元方法，对喷动流化床内的颗粒混合特性进行了三维直接数值模拟。
An approach for simulating damage process of prestressed reinforced concrete structures under impact load by applying the discrete element method is presented.
采用离散单元法模拟了预应力钢筋混凝土梁在冲击荷载下的破坏过程。
By establishing the discrete element model of loose object and using ALE coupling algorithm, the simulation of loose medium's casting blast process is performed.
通过建立松散体离散单元模型，采用ALE耦合算法，模拟了松散介质坍塌堆积物的抛掷爆破过程。
The failure criterion, formula and determination of analytical parameters such as spring modulus of the discrete element model for concrete material were presented.
介绍了适于混凝土材料的离散单元模型的破坏准则、计算方程以及弹簧系数等计算参数的确定方法。
Lastly, timbering parameter is studied by utilizing Artificial NeuralNetwork (ANN), and put forward using Discrete Element Method (DEM) to confirm 2nd support time.
最后，利用人工神经网络原理，对其支护参数进行了研究，并提出了利用离散元来确定二次支护时间的方法。
This paper analyzes the surrounding rock characteristics of single shell lining only from the mechanical mechanism aspects using the discrete element software of UDEC.
本文仅从力学方面用离散元软件udec分析了洞室围岩的单层衬砌支护特性。
This paper analyzes the surrounding rock characteristics of single shell lining only from the mechanical mechanism aspects using the discrete element software of UDEC.
本文仅从力学方面用离散元软件udec分析了洞室围岩的单层衬砌支护特性。
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