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The CPU time of the Hermite-Galerkin approximation is greatly less than that of the finite difference method. 对Navier-Stokes方程构造的Hermit-Galerkin近似与有限差分近似相比，Hermite--alerkin近似数值分析的时间减少了许多。
The finite difference method is used to calculate the multi dimensional diffusion of hydrogen isotopes in materials. 研究了氢同位素在材料中多维扩散行为的有限差分计算方法。
In this paper, the finite difference method (FDM) based on the boundary-fitted coordinate (BFC) transformation is presented. 本文将适体(Boundary Fitted)坐标变换方法用于岩土工程渗流计算。
The governing equations were numerically solved by the finite difference method,and the distribution of the stream-function of the flow was obtained. 建立了运动双极坐标系下幂律流体在内管做行星运动的环空中流动的控制方程,并用有限差分法对其进行了数值求解,得到了该流动的流函数分布。
The differential equation is numerically discretized into a system of linear algebraic equations by using the finite difference method. 运用有限差分法将微分方程数值离散化为线性代数方程组.
Multigrid algorithms based on the finite difference method of three dimensional（3D） convection diffusion equation are studied. 摘要研究了三维对流扩散方程基于有限差分法的多重网格算法。
The governing equation is solved by the finite difference method and the critical axial shortness is determined by the B-R criterion. 控制方程由有限差分法进行求解，并由B-R运动准则确定临界缩短量。
This paper considers the finite difference method for a class of generalized fourth order dispersive and dissipative wave equation. 摘要研究了一类四阶非线性耗散、色散波动方程初边值问题的有限差分解法。
We propose a domain decomposition method based on combining the finite element method with the finite difference method for numerical simulation elastic wave propagation. 摘要本文针对弹性波波场传播的数学模型，提出了一种基于有限元和有限差分耦合的区域分裂方法。
Establishes a heat transfer model of floor con struction for the radiant floor heating system, numerically solves the model wit h the finite difference method. 建立了低温地板辐射供暖系统的传热数学模型，应用有限差分法对数学模型进行了求解；
In order to investigate and develop numerical calculation method for Schr odinger equation,we apply the finite difference method to eigenvalue problems in quantum mechanics. 为研究和发展薛定谔方程的数值计算方法,本文将有限差分法应用到量子力学求解薛定谔方程本征值问题。
In order to investigate and develop numerical calculation method for Schr odinger equation, we apply the finite difference method to eigenvalue problems in quantum mechanics. 摘要为研究和发展薛定谔方程的数值计算方法，本文将有限差分法应用到量子力学求解薛定谔方程本征值问题。
The latter includes the finite difference method (FDM), the finite element method (FEM), the boundary element method (BEM) and the Green(s Function method, etc. 计算集成电路电容的方法有公式法和数值法两大类。
Finally, the transient amplitudes of the beam system under the axial motion of piezoelectric actuator for three models are obtained by the finite difference method. 最后，由有限差分法得到各组暂态振幅的数值，并比较之。
A visual 3D temperature field system of electron beam welding (EBW) based on the finite difference method (FDM) was developed on the Windows NT platform by virtue of the rapid development soft of C + + Builder and the 3D animation interface of OpenGL. 基于有限差分理论和入射电子束服从高斯分布、在有限平板中匙孔理想化为旋转抛物面的基本假设;利用C++Buildel快速开发软件;在Windows NT平台上综合OpenGL图形接口及多线程技术开发了电子束焊接动态过程仿真系统EBWSIM.
The discretization of the periodic solutions is adapted by the Finite Difference Method (FDM). We convert the boundary value problem (BVP) of ordinary differential equations to a system of nonlinear algebraic equations with parameters. 通过有限差分第日页西南交通大学博士研究生学位论文法将车辆系统的周期解离散化，即将一个常微分方程的边值问题转化为非线性代数方程组，它是含有参数的。
In this paper, the finite difference method is used to solve the diffusion equation and the spherical particle is discretized with iso-spacing grids and iso-volumetric grids respectively. 采用有限差分法数值求解扩散方程，分别利用等距网格和等体积网格划分计算区域。
This model mainly includes several small models for Al-roll and furnace wall etc..By use of the finite difference method,the dispersed linear equations of nonsteady conduction for Al-roll is obtained. 本模型主要包括料卷、炉墙等几个小模型。用差分方法得到料卷非稳态导热的高离散化线性方程组，并采用“逐线迭代法”进行求解。
The results show that the finite difference method can preferably predict break through curves of multicomponent competitive adsorption systems,and reflect the adsorption characteristics. 计算结果表明采用有限差分数值方法能较好地预测多组分动态穿透曲线,同时能较好地反映多组分气体的竞争吸附特性。
A mathematical model for numerically simulating the temperature distribution of steel slab in a walking beam type reheating furnace is established by using the finite difference method. 摘要采用全隐式有限差分法，建立了步进式加热炉内钢坯温度场的数值计算模型，编制了钢坯加热过程的模拟软件。