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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出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场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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• 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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• 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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• It is one of approaches for unsteady inverse problems of oscillating airfoil to solve unsteady Bluer equations with finite difference method.

利用有限差分非定欧拉方程振荡机翼非定气动问题求解方法

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

采用有限差分方法波动方程求数值解

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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.

根据均匀各向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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• By using the method of the finite difference, the press field of static pressure thrust air bearings with pressure groove under column coordinate was stimulated.

采用有限差分坐标系均压的圆形空气静压止推轴承压力进行了二维数值仿真

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• 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.

研究发展薛定方程数值计算方法，本文有限差分法应用量子力学求解薛定方程本征值问题

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

利用有限差分实现了其正演计算获得了电磁场分布

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• For the time-varying component, the finite difference combined with heat transfer theory was employed to solve the differential equation of temperature fluctuation on the cavity surface.

波动部分是在给出温度波动微分方程后，利用有限差分法结合传热学型腔表面温度波动进行数值求解

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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，马冲洪积扇区地下水资源数量变化趋势进行了模拟计算

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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.

由此提出扩展边界节点概念，并使用有限差分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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• Finally, the long-time stability and convergence of this finite difference scheme are also analysed in the nonautonomous system case.

最后系统非自治情形下得到有限差分格式时间稳定性收敛

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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波场数值模拟由于计算模型限制导致很强人为边界反射的产生。

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

有限差分法有限单元时间更为方便

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• This paper extends the theoretical model and application scope of multi-stage compound option and path-dependent option using Finite Difference Method and Finite Element Method.

本文借助于有限差分有限元方法拓宽复合期权路径相关期权定价理论模型应用范围

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• The data or dealt with finite difference calculus in calculate center .

计算中心数学模型采用有限差分的形式进行计算

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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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• The finite difference discrete is applied on controlling equations after they are converting into the body fitted coordinate system.

数值方法，先控制方程转换贴体坐标系下，然后进行有限差分离散

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• The equations of the boundary layer containing microbubbles on the plate are established, then calculated employing a simple mixing length model and a finite difference method.

建立含有微气泡平板边界层方程采用一种简单混合长度模型有限差分方法方程进行了数值计算

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• Finally, the boundary treatment of the compact finite difference scheme is discussed and compared with the numerical result with periodic boundary conditions.

最后讨论有限差分紧致格式边界处理问题，周期边界条件计算结果进行比较

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• The temperature field and microstructure field during laser heat treatment process were calculated using Finite Element Method or Finite Difference Method.

应用有限元和有限差分方法激光热处理过程温度组织进行了数值模拟计算

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• The temperature field and microstructure field during laser heat treatment process were calculated using Finite Element Method or Finite Difference Method.

应用有限元和有限差分方法激光热处理过程温度组织进行了数值模拟计算

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