周期性边界条件

FDTD方法与周期性边界条件、吸收边界条件结合，构成分析各种周期性结构电磁特性准确、有效的通用工具。

The FDTD combined with periodic boundary condition ( PBC ) and absorber boundary condition ( ABC ) becomes the accurate and efficient tool for various periodic structures .

使用Fluent软件并以周期性边界条件模拟了其内部的流动换热情况。

Numerical simulation software Fluent is used to simulate the flow and heat transfer in these models and the periodic boundary condition is used to simplify the model and simulate the fully developed flow field .

周期性边界条件下MC模拟晶粒数的统计

Statistics of Grain Number in MC Simulation under Periodical Boundary Condition

采用常温、常压分子动力学模拟方法模拟了在周期性边界条件下由500个原子构成的液态Cu模型系统的凝固过程，考察了不同降温速率下液态Cu的凝固行为。

The cooling process of liquid Cu system consisted of 500 atoms controlled by period boundary condition has been simulated at the different cooling rate .

结果表明，三维模拟时晶粒取向数Q取200是比较合适的；模拟模型使用周期性边界条件，晶格点阵尺度对其模拟结果的影响不大。

It is shown that the appropriate grain orientation number of three-dimensional simulation is 200 . Owing to the boundary conditions of simulation model is periodical , the influence of lattice size is small .

利用计算机模拟了在周期性边界条件下由500个原子构成的液态Cu模型系统以42×1013K/s的速率快速凝固的全过程。

The molecular dynamics simulation has been adopted in the system consisting of 500 liquid Cu atoms and controlled by the period boundary condition at the rapid cooling rate of 4.2 × 10 13 K / s.

本文采用密度泛函（DFT）周期性边界条件对Ni理想晶面（Ni（111）面和Ni（100））上甲烷部分氧化反应的直接氧化过程进行了计算。

This dissertation presented a theoretical study of partial oxidation of methane to synthesis gas on ideal Ni surface ( Ni ( 111 ) and Ni ( 100 )) according to direct oxidation mechanism .

我们用离散元（DEM）方法研究了这种运输机在水平配置时的流动机制，施加周期性边界条件并忽略流动介质的存在。

We investigate the flow mechanism of this conveyor in a horizontal configuration by a discrete element method ( DEM ), applying a periodic boundary and omitting the existence of fluid medium .

计算了准周期性边界条件下ZMS模型的无穷多运动积分；

An infinite number of integrals of motion are calculated in ZMS model with quasi-periodic condition .

将一维元胞自动机模型用于模拟周期性边界条件下高速公路的车流运动，用随机慢化FI模型对一定交通环境下车流的车速与密度之间的关系进行仿真分析。

Authors introduced the cellular automat ( CA ) model into the analysis of vehicles equivalent conversion . The highway traffic under the periodic boundary conditions was described .

而一维最近邻周期性边界条件与二维近邻周期性边界条件的模拟结果基本相同，与Cu单晶早期疲劳位错花样的实验比较吻合。

The free-space boundary condition cannot yield a reasonable results , however , the one-dimensional and two-dimensional periodic boundary conditions could yield better results which are similar to the experimental observation of dislocation walls in early stage of fatigued copper single crystal .

在周期性边界条件下，将系统的状态分成六相，利用平均场理论和决定性NS模型的结果，得到每条车道上的密度关系。

It takes the initial density apart into six regions . Based on the mean field theory and the results of definitive NS model , the relations of car density of every line are given .

通过计算和分析看到，DQM对于处理具有周期性边界条件的问题，同样具有精度高、收敛性好，计算效率高的特点。

The DQM has advantages in solving the problems with periodic boundary conditions , such as high accuracy and efficiency , and good convergence . 7 .

本文运用矩阵方法，计算了一维晶格在周期性边界条件下的BEG模型，结果表明：在无外磁场时，一维BEG模型无相变点。

BEG model of one-dimensional lattice under the Condition of periodical boundary is calculated , using matrix method . The results indicate that there is no point of phase transition in one-dimensional lattice when there is no external magnetic field .

在螺旋锥模型中加入了周期性边界条件以描述f-CNF在主轴方向上的形貌。

Periodic boundary conditions are imposed on the cone-helix models to depict the f-CNF morphologies along the principal axes .

利用分子动力学模拟技术研究了由周期性边界条件控制的375个铜原子、125个金原子组成的金属间化合物AuCu3熔体的快速冷凝过程。

Based on the FS ( Finnis-Sinclair ) many-body potential model , the rapid cooling process of a system , which consists of 375 Cu atoms and 125 Au atoms , controlled by period boundary condition was simulated .

当Burgers方程具有周期性边界条件时，首先利用这四种高阶非对称格式构造了一种交替分组四点格式，并得到相应的矩阵形式。

When the Burgers equation has periodic boundary conditions , first of all , we construct a class of alternating group four-point difference method using these four high-order alternating segment explicit and implicit non-symmetric form , and we can get the corresponding matrix format .

模拟中使用的晶格空间基本单元为立方体，单个的ABO3结构晶胞简化为2×2×2个立方体，并采用周期性边界条件；

The basic unit of the MC lattice was cubic , a single ABO_3 crystal unit is modeled as a 2 × 2 × 2 cubic , and the periodic condition was used .

研究了有限元分析的EBE算法，提出了第一类边界条件和周期性边界条件的EBE处理方法，使EBE算法在电机电磁场计算中的应用成为可能。

The Element-by-Element ( EBE ) algorithm is studied and implemented in this paper . Techniques dealing with the first boundary condition and periodic boundary condition are proposed , which makes it possible to calculate magnetic field of electrical machines using the EBE algorithm .

基于周期性边界条件的机织复合材料多尺度分析

Multi-Scale Analyses of Woven Composite Based on Periodical Boundary Condition

金属界面弯曲中圆弧周期性边界条件

A study on circular periodic conditions of metal interfaces

周期性边界条件下管道传热规律数值研究

Numerical Study on Heat Transfer Law for Buried Pipeline under Cyclical Boundary Condition

周期性边界条件、间断点及第二类边界条件的数值处理

The Numerical Method for Periodical Condition , Noncontinuous Point and Second Boundary Condition

自旋梯模型是精确可解模型中一种非常重要的模型，虽然人们已经对该模型的周期性边界条件下的能量本征值和本征态做了大量的研究。

Spin-ladder model is one of the most significant models of the integrable model .

三维正弦电磁场问题中一类和周期性边界条件的处理方法

The processing method of essential and periodic boundary conditions for 3D sinusoidal magnetic field problems

周期性边界条件下多孔介质方腔内自然对流换热数值研究

Numerical Study of Natural Convection Heat Transfer in a Porous Cavity Under Time-periodic Boundary Conditions

本文介绍一种整体处理半周期性边界条件的方法。

The paper presents a method for treating the half-periodic boundary conditions as a whole .

周期性边界条件的一种处理方法

A method for treating periodical boundary conditions

直接三维有限元求解转轮内部流场周期性边界条件的处理

On the Periodical Boundary Condition in Solving Internal Flow Field of Turbomachine with Direct Three-Dimensional FEM

采用周期性边界条件仿真，再现了真实交通流的流量-密度关系和速度-密度关系；

With periodic boundary condition the flow-density and ( speed-density ) relation of traffic were reproduced .