1) discrete method
离散法
1.
The discrete marching method in the paper, get an intersection point by discrete method, and make sure the direction of intersection with the special geometrical position of two little inter-crossing triangle surfaces.
依次用跟踪法求出整条交线,这样就有效地避免了用离散法求交线不连贯的问题。
2.
It adapts longitudinal response discrete method to calculate the true geophysical value of thin bed,evaluate the hydrocarbon reservoir with more accurate formation parameters such as porosity,saturation and permeability etc.
运用纵向响应离散法,求取薄地层地球物理的真值,从而进一步求准岩性剖面和孔、渗、饱等储层参数,更加准确评价油气层。
2) discretization
[英][dis,kri:ti'zeiʃən] [美][dɪ,skritɪ'zeʃən]
离散法
1.
On the onevs.three internal resonances of suspended cables subjected to external excitation Ⅰ∶discretization;
悬索在外激励作用下的1∶3内共振分析Ⅰ∶离散法
2.
The paper introduces the calculating methods, including analytical method and discretization, of internal force of tall building structure.
介绍了高层建筑结构内力计算的解析法、离散法等多种计算方法,讨论了各计算方法的假设前提、基本方法和优缺点,为合理选择高层建筑结构的内力计算方法提供指导。
3) discrete element method
离散元法
1.
Application of discrete element method to research and design of working parts of agricultural machines;
离散元法及其在农业机械工作部件研究与设计中的应用
2.
A discrete element method was developed to simulate mixing of elastic materials with the predictions compared to fall-off mixing tests of plastic balls.
为了现实有效地离散弹性体材料拌合的数值模拟,采用离散元法,开发了离散弹性体材料拌合离散元模拟系统。
3.
Base on the basic principles of discrete element method(DEM),A two dimensional DEM emulator named SieveDEM was developed by a VC++.
基于颗粒离散元法的基本原理,采用VC++。
4) distinct element method
离散元法
1.
A Review on Fundamentals of Distinct Element Method and Its Applications in Geotechnical Engineering;
离散元法及其在岩土工程中的应用综述
2.
Using modified distinct element method, simulation research is conducted on top coal movement at fully -mechanized working face in No2 Coalmine of Dayan Coal Bureau.
用改进的离散元法对大雁矿务局二矿综采放顶煤工作面顶煤活动规律进行模拟研究,分析支架围岩作用关系,找到顶煤丢失原因。
3.
Based on the fact of the rock engineering and the character of the distinct element method, the independent modules are introduced to couple the distinct element method and the boundary element method in this paper.
根据岩石工程实际以及离散元法和边界元法的特点，引入并列模块式结构，提出了一种离散单元法和边界单元法进行外部耦合的算法。
5) DEM
离散元法
1.
APPLIC ATATION OF DEM IN VIB RATRATION ANA LYLYSIS OF JOINTED ROCK MASSES UNDER BLASTING LOADING;
离散元法在节理岩体爆破振动分析中的应用
2.
Research of Boundary DEM Simulation Algorithm Based on 2D CAD Model;
基于CAD模型的边界离散元法仿真算法研究
3.
2D DEM calculation methods based on superquadratics particles modeling;
基于超圆颗粒模型的二维离散元法计算方法
6) discrete element method(DEM)
离散元法
1.
From the side-side contact relation and the dynamic relaxation method,theoretical formulas are derived and the corresponding calculation program is worked out according to the discrete element method(DEM).
根据离散元法原理,采用边-边接触关系及动态松弛法,推导出其理论公式并编制了计算程序;由静力问题计算结果的收敛性,验证了计算程序和计算参数选取的正确性,求出了地下结构在人工地震波作用下的动力反应。
补充资料：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
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
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条