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• Authors described and analyzed the finite difference method and finite element method.

作者阐述分析有限差分方法有限元方法

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• The results of the precise integration method agree well with the theoretical solution and have higher precision than those of the finite difference method.

数值算例表明精细积分得到精确十分吻合有限差分具有更高精度

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• But this partial differential equation can not be directly integral, so usually use Navier method, Rayleigh Ritz method and finite difference method and other methods.

一偏微分方程不能直接积分所以通常瑞利-里兹有限差分方法方法求解。

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• We use finite difference method to solve electromagnetic wave equation.

采用有限差分方法，对波动方程求数值解

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• The time domain finite difference and the finite element method are more convenient.

有限差分有限单元时间域里更为方便

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• The near field distribution of uncoated and metal coated fiber optic probes were characterized by the method of three dimensional finite difference time domain (FDTD).

采用时间有限差分FDTD方法研究了扫描光学显微镜中光纤探针分布特性。

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• In solving the mathematical model, two time-saving and effective numerical methods have been tested and compared with the finite difference method commonly used.

动态数学校型数值求解试验颇为有效方法方法常用有限差分方法作了比较

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• Compared with Finite Element Method and Finite Difference Method, Boundary Integral Equation Method is computationally more efficient.

有限元有限差分相比，该方法具有更高计算效率

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• At the same time, based on the result, it is concluded that the upwind finite difference scheme for solving the one dimensional heat transfer equation for SG is stable.

同时根据这个结果分析得到求解蒸汽发生器传热方程逆风有限差分格式稳定

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• The results of transient temperature field calculated by finite difference method and ANSYS software agree with the experimental results.

高压氮气温度有限差分计算结果ANSYS有限元分析软件计算结果实测结果吻合较好

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• It is briefly introduced that three-dimensional finite difference numerical equation is built according to Darcy's law and water equilibrium principle.

简介根据达西定律水均衡原理建立了三维有限差分数值方程及其解法。

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• Numerical solution is given to mathematical model of formation temperature field by full implicit finite difference method.

并利用有限差分方法，对温度数学模型进行数值求解

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• Dendrite growth has been simulated with the phase field method and finite difference schemes on a two dimensional rectangular domain with a uniform square mesh.

采用模型有限差分方法模拟了冷纯金属熔体的生长计算区域正方形均匀网格

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• Base on the Fourier law and conservation of energy, and combine the finite difference, this dissertation deduce finite difference temperature model.

傅里叶定律能量守恒定律基础结合有限差分理论推导有限差分温度计算模型

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• The system can achieve the temperature parameters of the collection, storage, analysis and control functions, and pass the furnace temperature finite difference simulation product quality forecasts.

系统实现温度参数采集存储分析控制功能通过炉内温度有限差分模拟进行产品质量预测

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• There are two methods for the key of heat exchange:finite element and finite difference.

对于导热问题求解常用两种方法有限差分有限元

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• By using an explicit finite difference program FLAC3D, a model of numerical calculation is established for a deep mining pillar with dynamic disturbance under high stress.

深部矿柱在承受高静载应力时的动力扰动力学模型进行应力波传播力学响应分析，采用FLAC3D有限差分程序深部开采圆形矿柱进行应力动力扰动数值计算

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• In this paper the error caused by grinding heat is analyzed by using methods of finite element and finite difference, and the theory datas are contrasted.

本文利用有限差分有限元两种方法磨削引起误差进行了分析理论数据进行了对比

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• By using finite difference method, the derived equation was solved coupling with energy conservation equations.

利用有限差分将该方程能量守恒方程进行耦合求解

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• According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.

根据非均匀各异性地层非稳定地下水流动模型采用有限差分法求解可以定量判断油气运移方向强度

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• The method to calculate temperature profile is to combine finite difference of time with finite element of space.

温度计算采用时间域上有限差分空间域上有限元相结合方法

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• Using the finite difference method we calculate the distribution of the electromagnetic field.

利用有限差分实现其正演计算，获得电磁场分布

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• The paper predicts the changing tendency of groundwater resource in Changma alluvial fan by numerical modeling, applying the method of finite difference and irregular polygon cells.

应用有限差分方法采用不规则多边形剖分，马冲扇区地下水资源数量的变化趋势进行模拟计算

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• The concept of extended boundary node was presented. By using finite difference method, the solution of the gained difference equations was given and simulated by computer.

由此提出了扩展边界节点概念，并使用有限差分，对所得到差分方程组进行计算机求解模拟

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• Finite Difference Method (FDM) is usually used for calculating the temperature field of casting solidification processes.

有限差分方法凝固过程温度解析常用数值计算方法

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• In numerical wave simulation of finite difference for acoustic wave equation, due to the limitation of computer model, there inevitably exists strong artificial boundary reflection.

声波波动方程有限差分场数值模拟由于计算模型限制导致很强的人为边界反射产生。

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• Take double parameters foundation model to improve Winkler model, and use finite difference method to resolve linear basis under columns and get linear equations which could be easily used in works.

采用参数地基模型改进温克尔地基模型并用有限差分方法求解任意荷载微分方程得到便于工程计算线性方程组

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• Take double parameters foundation model to improve Winkler model, and use finite difference method to resolve linear basis under columns and get linear equations which could be easily used in works.

采用参数地基模型改进温克尔地基模型并用有限差分方法求解任意荷载微分方程得到便于工程计算线性方程组

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