With the method of finite difference, the temperature distribution in both soil and cables is modeled separately through combinatorial coordinates.
本文采用有限差分法，用坐标组合的方式对土壤区域和电缆区域分别进行计算，最终可以确定任意敷设方式下电缆允许的载流量。
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，对昌马冲洪积扇区地下水资源数量的变化趋势进行了模拟计算。
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了金属薄膜近场成像特性；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。
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，用精细积分法得到的解与精确解十分吻合，比有限差分法具有更高的精度。
The results of transient temperature field calculated by finite difference method and ANSYS software agree with the experimental results.
高压氮气淬冷温度场的有限差分法计算结果和ANSYS有限元分析软件计算结果与实测结果吻合较好。
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).
采用三维时间域有限差分（FDTD）方法研究了扫描近场光学显微镜中光纤微探针的近场分布特性。
Finite element difference method was used to simulate the temperature field of work piece during TSCR.
采用有限元差分法对连铸连轧生产过程的带钢温度场进行模拟。
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，对温度场数学模型进行数值求解。
Using the finite difference method we calculate the distribution of the electromagnetic field.
利用有限差分法实现了其正演计算，获得了电磁场的分布。
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的概念，并使用有限差分法，对所得到的差分方程组进行了计算机求解及模拟。
Finite Difference Method (FDM) is usually used for calculating the temperature field of casting solidification processes.
有限差分方法是凝固过程温度场解析的常用数值计算方法。
By deriving balanced differential equation of buried pipeline, adopt finite difference method to analyze and calculate the effect of axial build-in force on pipeline transversely displacement.
推导出埋地管道的平衡微分方程，采用有限差分法分析并计算了轴向嵌固力对管道横向位移的影响。
Therefore, the Direct Finite Difference Method is regarded as a promising method of numerical simulation of solidification.
因此可以认为，直接差分法是进行凝固数值计算很有前途的方法。
This article discusses the suitability of using Direct Finite Difference Method for numerical simulation of solidification.
本文论述了直接差分法对于凝固过程数值计算的适用性。
Using the finite difference method, the state equation of the transverse vibration of an axially moving rectangular membrane is derived.
利用有限差分法，导出了轴向运动矩形薄膜横向振动控制系统的状态方程。
The temperature distributions in the diode-side-pumped slab laser medium have been calculated by means of the finite difference method.
用有限差分法对二极管侧泵浦板条激光介质的温度分布作了数值计算。
The key to all-dip wave field migration using finite-difference method lies in the continuation direction of wave field.
用有限差分法进行波场全倾角归位的关键在于波场的延拓方向。
Applying the finite difference method, the numerical simulation of the surface charge density of a finite conductor stick is presented.
利用有限差分法对有限长导体棒电荷面密度进行了数值模拟。
Solving integral equations of supercavitating flow based on the finite difference time discretization method, some numerical results are obtained.
采用时间有限差分离散化方法求解超空泡流积分方程，得到了问题的数值解。
A new technique is given here, which combines partial algorithm with scanning algorithm and obtains wave arrival times by solving eikonal equation with the use of finite difference method.
本文提出一种将局部算法与扫描算法相结合的、用有限差分解程函方程求取地震波初至时间的方法。
In the pricing of convertible bonds, finite difference method is often used.
常用的可转换债券定价的数值解法是有限差分方法。
In this paper, an integrated finite difference method (IFDM) for numerical analysis of transient coupled heat and moisture flow in unsaturated soils is described.
本文介绍了求解非饱和土壤中热量和水分耦合传输问题的一种数值方法——积分有限差分方法(IFDM)。
Using the method of upper lower solutions we construct two monotone sequences for the finite difference equations.
把上下解方法应用到相应有限差分系统上，得到两个迭代序列。
A general method of the design of the finite difference schemes is presented in the paper.
本文提出了一种设计有限差分格式的通用方法。
In this computation a fluid-elastic plastic model and a finite difference method of Lagrange coordinate are used The parameters of shock, cavity and waveform are obtained and analysed.
在这个计算中，采用了流体——弹塑性变模量模型，使用了拉格朗日坐标有限差分方法和人造粘性，获得了冲击波、空腔和波形参数，并分析了这些参数。
The perturbational finite difference method (PFD) is a new method of constructing high accurate difference scheme.
摄动有限差分（PFD）方法是构造高精度差分格式的一种新方法。
On the basis of the coupled mode theory, the finite-difference method is used to simulate the transmission of Bragg bright solitons in parabolic squared-apodization fiber gratings.
本文在耦合模理论的基础上，运用有限差分法数值模拟了布拉格亮孤子在抛物线平方变迹光纤光栅中的传输特性。
On the basis of the coupled mode theory, the finite-difference method is used to simulate the transmission of Bragg bright solitons in parabolic squared-apodization fiber gratings.
本文在耦合模理论的基础上，运用有限差分法数值模拟了布拉格亮孤子在抛物线平方变迹光纤光栅中的传输特性。
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