The Three-Dimensional Discrete Element Method (3D DEM) is a numerical simulation technique widely used in engineering and geomechanics to study the behavior of granular materials and large-scale structures. It utilizes the interaction of individual grains to model the mechanical response of the material under various loading conditions. This sophisticated method enables researchers and engineers to predict the global and local behavior of particulate systems with high accuracy. In this collection of English short sentences and example sentences related to 3D DEM, readers can find a comprehensive resource for understanding and conveying concepts, results, and applications of this powerful computational tool. The examples cover a wide range of topics, from fundamental principles to complex engineering problems, providing a valuable reference for both beginners and experienced practitioners in the field.
三维离散元法,three-dimension DEM
1)three-dimension DEM三维离散元法
英文短句/例句
1.Development and Research of Three-dimension DEM Calculation-simulation Software;三维离散元法计算仿真软件开发研究
2.The Research of a Method for Representing Boundaries of 3D DEM Based on the Software of AutoCAD;基于AutoCAD软件的三维离散元法边界建模方法研究
3.Several Boundaries Algorithm Research and Software Design Based on Three-dimensional Discrete Element Method几种三维离散元法边界的算法研究和软件设计
4.Research of Boundary Calculation Methods for Three-Dimensional DEM Based on Incomplete Graphics;基于非完整图元的三维离散元法边界的计算方法研究
5.The Method of Representing Boundaries of 3D DEM Based on 2D CAD Model;基于边界二维CAD模型的三维离散元法边界建模方法
6.A Proximity Query Algorithm for Three-Dimensional DEM Based on Dynamic Octree;基于动态八叉树的三维离散元法邻居搜索方法研究
7.Study on 3D Discrete Element Method and Its Application in the Impact Fracture Behavior of Automobile Laminated Glass;三维离散元法的研究及其在汽车玻璃冲击破坏问题中的应用
8.Three-Dimensional Discrete Element Method and Its Application on the Metropolitan Pipeline Engineering;三维离散单元法及其在城市管道工程中的应用
9.The Research of a Method for Representing Boundaries of 3D DEM Based on the Software of AutoCAD;基于AutoCAD软件的三维离散元边界建模方法研究
10.Research on Underground Flow in Jointed Rock Mass with 3D Discrete Element Method节理岩体中地下水流动的三维离散元方法研究
11.Analysis of Ballast Dynamic Behavior with Three-dimensional Discrete Element Method铁路道床振动特性的三维离散元分析
12.Correct Discrete-Continual Finite Element Method for Three-Dimensional Problems of Structural Analysis(Cound.)在三维结构分析问题中合适的离散-连续有限元法(续)(英文)
13.Correct Discrete-Continual Finite Element Method for Three-Dimensional Problems of Structural Analysis在三维结构分析问题中合适的离散-连续有限元法(英文)
14.Discrete Marching Cubes algorithm for surface model of three-dimensional costume三维服装表面模型的离散Marching Cubes算法
15.Simulation analysis of formation mechanism of some complex and giant landslides using three-dimensional discrete elements复杂巨型滑坡形成机制三维离散元模拟分析
16.The Research of a Method for Representing Boundaries of DEM Based on 2D CAD Model;基于二维CAD模型的边界离散元法建模方法研究
17.ANALYSIS OF SHEAR LAG EFFECT IN THIN-WALLED BOX GIRDERS WITH ONE-DIMENSIONAL DISCRETE FINITE ELEMENT;薄壁箱梁剪滞效应分析的一维离散有限元法
18.Research of Two-dimension Superquadratics Particles DEM Calculation-simulation Software;二维超圆形颗粒离散元法计算仿真软件研制
相关短句/例句
three dimensional discrete element method三维离散单元法
1.The fundamental ofthree dimensional discrete element method is introduced,a practical example of landslide is simulated with the C program developed by the authors,and some reasonable results consistent to the existing data are obtained.介绍了三维离散单元法的基本原理,编制了相应的C语言程序,并对具体的滑坡实例进行了模拟,发现计算结果与已有研究成果较为一致,表明三维离散单元法是一种可以动态模拟山地滑坡行为的比较适宜的数值方法。
3)three-dimensional discrete element method三维离散元
1.Stability analysis of gravel soil tunnel bythree-dimensional discrete element method;碎石土隧道自稳性的三维离散元分析
2.Based on a large number of computer simulation experiments,physical model experiments and some theoretic a- nalysis,thethree-dimensional discrete element method is modified.通过大量的计算机模拟试验、物理模型试验及一定的理论分析,改进了三维离散元模型,利用速度时程曲线分析了计算模型的稳定性;根据速度分布的方差时程曲线探讨了各计算参数与速度分布之间的关系,最后通过散粒体堆积的等值线图进一步验证了模型的正确性和参数取值的合理性。
4)3D discrete element code(3DEC)三维离散单元法(3DEC)
5)3DEC三维离散元程序
1.Taking the underground power house of the Xiangjiaba hydropower station as an example,and introducing the three-dimension discrete element method(3DEC),the authors has studied the variations of displacement and stress under the complex excavation condition,compared the calculated data with the monitoring results,and proposed that the proper support distance is 5m delay the constructing face.地下洞室的变形及稳定性问题主要集中于顶拱围岩,以向家坝水电站地下厂房为例,采用三维离散元程序3DEC,研究了在复杂的开挖条件下洞顶围岩的位移和应力变化规律,将计算位移与实际监测结果进行了对比,提出适当的支护时机是系统支护滞后于掌子面约5~8 m。
6)2D Discrete Element Method二维离散元法
1.2D Discrete Element Method(DEM) is used to simulate the displacement characteristics of surrounding rockmass in the low ground stress region,and one water conservancy underground excavation engineering project in Northwest China is taken as an example.以西北某水利工程地下洞室为例,对低地应力状态下洞室开挖后围岩位移变化及其相应特征,采用了二维离散元法进行数值模拟研究,结果表明:低地应力区地下洞室开挖后围岩位移主要发生在拱顶位置,而发生在侧壁水平位置上的围岩位移量则明显不及前者,这说明低地应力区地下洞室开挖后围岩变形破坏主要发生在洞顶垂直方向,侧壁水平方向围岩变形破坏规模和强度均不及前者。
延伸阅读
离散时间周期序列的离散傅里叶级数表示 (1)式中χ((n))N为一离散时间周期序列，其周期为N点，即式中r为任意整数。X((k))N为频域周期序列，其周期亦为N点，即X(k)=X(k+lN)，式中l为任意整数。从式(1)可导出已知X((k))N求χ((n))N的关系(2)式(1)和式(2)称为离散傅里叶级数对。当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N，如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
