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- Quasi-static deformation of granular materials was examined by performing discrete element simulations on polydisperse systems of elastic-perfectly plastic spheres in a periodic cell. 摘要本文介绍了对由弹塑性圆球组成的粒度多分散系统进行的轴向准静态加载和卸载的数值模拟成果。
- The discrete element method (DEM) model of two-level isolation system impacted by external force is developed. 提出了外力冲击的二级隔离系统的dem模型。
- A two-well pumping seepage discrete element model is built and numerically simulated with UDEC. 表明抽水速率界定孔隙压力平均趋近速率:抽水孔间距影响流速;
- Abstract: The discrete element method( DEM) model of two-level isolation system impacted by external force is developed. 文摘:提出了外力冲击的二级隔离系统的dem模型。
- The deformation failure and evolution of the rook slope before and after the excavation was simulated by discrete element method (DEM). 利用离散单元方法(DEM)，模拟分析了该岩质边坡采石切坡前及采石切坡后的变形破坏及其演变过程。
- Abstract: The discrete element method (DEM) model of two-level isolation system impacted by external force is developed. 文摘:提出了外力冲击的二级隔离系统的DEM模型。
- Then, the authors perform simulation analysis by FLAC (Fast Lagrangi an Analysis of Continum) and DEM (Discrete Element Method). 然后运用拉格郎日差分法和离散单元法相结合,对滑坡发生的运动过程进行全程再现模拟。
- The advantages and principles of meso-mechanical models of concrete based on the discrete element method are introduced. 介绍了离散单元法用于混凝土细观结构数值模拟的优越性及其基本原理；
- ZHONG Shu-guang, ZHANG Xiang-dong.Using of discrete element method instability analysis of aroof.[J].Coal, 2000, 9(4): 15- 17. [11]张树光;张向东.;离散元在顶板稳定性分析中的应用[J]
- 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。
- This paper hopes to reach the purpose to effectively evaluate the stability of the rockfall through the simulation of Fengdu s Mingshan rockfall by discrete element method. 以丰都名山崩滑体为研究对象,拟通过对该崩滑体失稳破坏过程的离散元模拟分析,达到对该崩滑体的稳定性进行有效分析评价的目的。
- Mechanism of subsidence induced by mining under stoped area is analyzed in the paper.The mechanism was testified with discrete element numerical simulation through a case study. 本文利用离散单元法,结合具体的工程实例对这一力学现象进行了数值模拟,验证了该机理的正确性。
- 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。
- Control supports styles for a number of discrete elements that make up the calendar grid. 控件支持对许多组成日历网格的分离元素应用样式。
- The selection is studied of discrete element parameters and the imitation result shows that the deformatble discrete element method can be used to analyse the nonlinear deformation of stratum. 探讨了离散元分析中参数选取的办法，模拟结果表明，可变形离散元法分析地层非线性变形是可行的。
- Some numerical methods such as Finite Element Method(FEM) for plane linkage,Discrete Element Method (DEM),Manifold Method (MM) and Discontinuous Deformation Analysis (DDA) were introduced. 介绍了平面杆系有限元法、离散元法、数值流形法和不连续变形分析等几种数值分析方法。
- To break through the limit of continuous medium theory, a uniaxial compression test of HMA was simulated with discrete element method (DEM), and then the simulation was compared with the lab test. 为突破常规数值方法基于连续性的理想假设，进行了某级配的沥青混合料单轴压缩试验的离散元模拟，并将模拟试验与室内试验进行了比较。
- Protectable trade dressmay be found in any combination of discrete elements and the visual impact ofthose elements must be considered as a whole. 案中裁定,分散的要素也可能构成受保护的商业外观;必须整体考虑那些构成要素的视觉效果。
- Discrete element method is used to analyze the roof stability in accordance with the variation of its loading, rock frictional angle, bolt spacing, rock properties and bolt orientation. 采用离散单元法,分析了当荷载、岩体的摩擦角、锚杆间距、锚杆方向和岩体的性质变化时,顶板的稳定性。
- MPF utilizes a series of adjustable discrete elements arranged regularly to form intricacy curve surface, and achieves 3 D sheet figuration. 它采用一系列规则排列、高度可调的基本体组成任意形状的复杂曲面，实现三维板材成形。
