有限差分

本文将其与电磁场时域有限差分法结合，进行了初步探讨，得到了理想的结果，加速比可达1.8左右。

The passage combined it FDTD ( Finite Difference Time Domain ), and did an initial discussion then got a good result , the speedup rate was nearly reached 1.8 .

时域有限差分法是计算电磁学中的一种重要方法，被广泛应用于电磁散射、微波器件、辐射天线和电磁兼容等电磁场与电磁波问题的研究。

The finite difference time domain method ( FDTD ) is an important method of computational electromagnetics , It is widely used in electromagnetic field and electromagnetic wave research such as electromagnetic scattering , microwave devices , antennas and electromagnetic compatibility .

有限差分方法的MATLAB编程

The Edit Program By MATLAB For Finite Differential Method

CFD问题显式有限差分方法的并行化

Parallel Implementation of Explicit Finite Difference Method for CFD Problems

RC网络模拟与有限差分法

R-C networks analogy and finite difference technique

其中时域有限差分法（FDTD）是求解麦克斯韦微分方程的直接时域方法。

FDTD is direct time domain method for solving Maxwell 's equations .

液体NMR中平板间多量子相干受限扩散行为的有限差分模拟

Finite Difference Simulation of Restricted-Diffusion Behaviors of Multiple-Quantum Coherences Between Two Parallel Plates in Liquid NMR

目前对其电磁特性的研究方法主要有时域有限差分（FDTD）方法。

The current research methods of its electromagnetic properties are mainly FDTD method .

二维不可压Navier-Stokes方程的紧致有限差分法

Compact finite difference methods of two dimensional incompressible Navier Stokes equations

基于MPI的电磁场时域有限差分法的网络并行研究

A Research on the Network Parallelization of FDTD with MPI

通过有限差分法求解了焊接熔池波动频率与焊接熔池半球体半径R之间关系的数值解。

Using the finite difference equation , the numerical solution of the relationship between the vibration frequency and radius R of hemispherical welding pool was solved .

应用时域有限差分法（FDTD）分析和计算了一种开口式同轴加热装置。

In this paper , an open coaxial heating device is analyzed and calculated by using FDTD .

有限差分法全波VSP模型

Modeling full-wave VSP record by finite difference method

Galerkin方法得到以位移形式表达的动力屈曲控制方程，通过有限差分方法求解，并由类似B－R准则方法判断动力屈曲是否发生；

The governing equations expressed as displacement forms of dynamic buckling are obtained by Galerkin method . The equations are solved by a finite difference method .

时域有限差分法（Finite-DifferenceTime-DomainMethod简称FDTDMethod）是广泛应用于电磁学问题的一种时域电磁场数值计算方法。

Finite Difference Time Domain Method ( FDTD ) is one of the most popular time domain methods in numerically solving electromagnetic problems . Firstly presented by K. S.

迄今，已有几种经典解法：FFT方法、有限差分法、有限元法等。

To date , there have been several classic solutions : FFT method , finite difference method , finite element method .

浅水波方程的TVD有限差分数值模拟

The TVD finite difference scheme to simulate the shallow water wave equations

三维有限差分波束传输法：用于Ti∶LiNbO3方向耦合器的模拟

Three Dimension Finite Difference Beam Propagation Method : Application to Ti ∶ LiNbO 3 Directional Coupler Modeling

完全匹配层（PML）对时域有限差分（FDTD）法，有限元法（FEM）等几种常用的数值方法是十分重要的。

Perfectly matched layer ( PML ) is very important to several numerical methods such as FDTD , FEM and so on .

文中研究的3D地电介质时间域电磁场的有限差分计算方法，激发源为水平电偶极子，并且向地下供以交变电流。

Finite difference method for electromagnetic field in time domain of 3 D geoelectric medium researched in this paper puts excited source as a horizontal dipole and transmits the alternating current down the surface .

各向异性介质中三分量地震记录的FCT有限差分模拟

FCT finite difference modeling of three-component seismic records in anisotropic medium

热传导方程有限差分逼近的数学Stencil及其新型迭代格式

Mathematics Stencil of the finite difference method for the parabolic equation and its new type iterative schemes

利用时域有限差分（FDTD）方法作为严格电磁计算模式，分析了有限口径衍射微柱透镜衍射效率与透镜F数的关系。

The rigorous analysis of finite aperture diffractive micro-cylindrical lenses was presented by using a rigorous electromagnetic computational model - the two-dimensional finite-difference time-domain ( FDTD ) method .

从电磁波传播方程出发，基于时域有限差分法（FDTD）进行离散求解，获得了适合含水量测试的同轴电缆电磁波反射（TDR）系统的FDTD方程。

For the applications of TDR system in measuring water content , FDTD equations were obtained based on the propagation equations of electromagnetic wave .

利用时域有限差分（FDTD）法对变压器绕组的暂态电压分布进行了数值计算，并与传统的广义特征值和特征向量计算方法进行了比较。

The over-voltages in winding are solved by using finite different time domain ( FDTD ) method . Comparison between MTL and traditional method are given .

本文主要研究了时域有限差分法（FDTD）的几种新技术以及矩量法在波导缝隙阵中的应用。

In this thesis , applications of several new algorithms of FDTD and MoM ( Method of Moment ) in waveguide slot antenna array are studied .

运用小扰动法和线性PH的思想，采用有限差分亚松弛的数值方法求解了可倾瓦径向动压气体轴承单块瓦的静、动特性方程。

Based on the small perturbation and linearizing PH methods , the equations of the static and dynamic characteristics of three-pad-tilting bearing were deduced , and the numerical results were obtained on the sub-relaxing finite difference method .

然后用时域有限差分法（FDTD）数值计算了锥形光纤光场分布，论述了在不同的包层半径处，光纤锥的光场分布特性。

Optical field in tapered optical fiber is numerically simulated using 2D finite-difference time-domain ( FDTD ) method , optical character in different cladding radius is expounded .

本文应用时域有限差分法（FDTD）分析了双极化口径耦合多层微带贴片天线。

A direct three dimensional finite difference time domain ( FDTD ) method is applied to the full wave analysis of dual polarization aperture coupled microstrip antenna .

用交变隐式差分方向的时域有限差分法（ADIFDTD）计算了掺Er3+玻璃平面光波导放大器中光场的分布。

The optical field distribution of Erbium-doped glass planar waveguide is calculated first by the Finite-Differences Time-Domain based on Alternating-Direction Implicit Method ( ADI-FDTD ) .