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• It is investigated using finite difference time domain method based on Drude model.

采用基于等离子体物理模型的时域有限差分对其进行了研究。

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• The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.

采用基于等离子体物理模型的时域有限差分方法模拟金属薄膜成像特性采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。

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• It is calculated with finite difference method.

采用有限差分法对进行求解。

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• The numerical schemes of DNS are based on finite difference methods.

DNS数值方法基于有限差分法。

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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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• In the pricing of convertible bonds, finite difference method is often used.

常用可转换债券定价数值解法有限差分方法

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• Principles for constructing advanced finite difference schemes are analyzed.

分析了现代先进数值格式构造原则

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• The nonlinear differential equations are solved using finite difference method.

有限差分求解非线性微分方程组

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• The flow field in this reactor was computed by means of finite difference method.

运用有限差分计算这种反应器内部

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• The finite difference scheme - ADI method is used to solve the seepage field model.

采用交替显隐式有限差分格式对渗流场模型进行了求解

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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域里更为方便

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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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• 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法。

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• The finite difference method was used to discretize and solve the two phase energy equations.

采用有限差分能量方程进行离散求解

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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，获得了电磁场分布

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• A high order finite difference forward modelling method was proposed to improve its efficiency.

为了提高其效率，提出一种差分模拟方法

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• The objective function can be built based on the finite difference modeling for the wave equation.

波动方程有限差分数值模拟基础，用波形记录残差平方并建立目标函数

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• Finally, the project is studied by finite difference analysis method and guidance for construction is brought.

最后，对实际工程进行数值分析，提出施工中的指导意见

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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了耦合求解。

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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的有限差分及空间域上的有限元相结合方法

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• The numerical solution is obtained by finite difference divergence of time, and finite volume divergence of space.

采用时间有限差分离散空间有限体积离散方法求问题的数值解。

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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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• 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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• 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，该方法具有更高的计算效率。

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

高压氮气淬冷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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• 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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• 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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• 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，精细积分得到精确解十分吻合有限差分具有更高精度

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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，精细积分得到精确解十分吻合有限差分具有更高精度

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