On the basis of a conceptual model in the area, a 3-dimensional groundwater flow model is developed and calibrated by MODOFLOW, which is based on finite difference system.
建立了系统的水文地质概念模型和地下水流模拟模型，采用基于有限差分方法的MODOFLOW软件对所建立的三维地下水流方程进行了求解。
Ltd... This system was adopted Implicit Finite Difference Time Domain method to calculate temperature evolution during the production process and predict final properties.
该系统采用隐式有限差分方法计算生产过程中温度的演变及最终产品的各项性能。
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.
该系统可实现温度参数的采集、存储、分析与控制功能、并能通过炉内温度场的有限差分模拟进行产品质量预测。
The flow equations are solved using finite difference technique. Using body-fitted curvilinear coordinate system treats the boundary conditions.
将有限差分法应用于流动方程及叶片方程的求解，采用贴体坐标系统处理边界条件。
A dynamic model of the towed system was established in the non-uniform wake flow field, and the shape of the towed system was investigated by finite difference method.
建立了水下拖曳系统在非均匀流场中的力学模型，用有限差分法计算收放缆时拖缆的姿态。
Based on the finite difference time-domain (FDTD) method, a novel model is presented for transient analysis of power cable system.
基于时域有限差分算法，提出了一种新的电力电缆电磁瞬态分析的计算模型。
A numerical solutions of quasi-two-dimensional unsteady flow of non-Newton fluid in the arterial pipe system is obtained by finite difference method.
利用有限差分方法得到了动脉管系内非牛顿流体的准二维不定常流动的数值解。
The natural vibration problem of the rod can be treated by discretion as a natural vibration problem of a spring-mass system, using finite element method or finite difference method.
杆件的固有振动问题，可用有限元方法或差分法离散化为一个弹簧-质点串联系统的固有振动问题。
A general formula is derived for a finite-difference method (FDM) with non-uniform grids in a cylindrical coordinate system, and a perfectly matched layer (PML) is used for the boundary treatment.
在均匀格点的基础上，给出了基于柱坐标的全矢量非均匀格点有限差分方法(FDM)，并采用了完美匹配层(PML)边界条件。
Based on the non-linear kinematic wave method, a technique using the four point, excentric, implicit, finite-difference numerical scheme to simulate the urban storm sewer system is introduced.
本文根据非线性运动波法理论，介绍了四点非中心隐式有限差分格式模拟城市雨水管网的技术。
This paper present a new finite-difference scheme for solving first-order hyperbolic system.
本文提出一种适于求解一阶双向系统的新的差分格式。
The purpose of this paper is to extend its application to solution of incompressible Navier-Stokes equations in non-orthogonal curvilinear coordinate system by the finite difference method.
这种逆风因子法是作者在用有限元素法解不可压N-S方程中提出来的。
Subsequently, deformation and critical sliding zone were analyzed with finite difference method. The calculated results were compared with the soil-nailed support system.
通过数值分析，对其变形与滑移场进行了研究，并与相同条件下的土钉支护进行了比较。
The flow equations are solved using finite difference technique. Using body-fitted curvilinear coordinate system treated the boundary conditions.
在贴体坐标系中，采用有限差分法求解流动方程和叶片方程；
The imaging system formed by an annular left-handed material (LHM) lens as well as the evanescent waves in the lens are simulated numerically with a finite-difference time-domain (FDTD) method.
利用时域有限差分法模拟了左手圆环形透镜的成像和透镜中的倏逝波。
The response of electromagnetic pulse logging in anisotropic formation was simulated with three-dimensional finite-difference time-domain (FDTD) method in cylindrical coordinate system.
利用三维柱坐标系时域有限差分(FDTD)方法计算了各向异性地层中电磁脉冲测井响应。
The response of electromagnetic pulse logging in anisotropic formation was simulated with three-dimensional finite-difference time-domain (FDTD) method in cylindrical coordinate system.
利用三维柱坐标系时域有限差分(FDTD)方法计算了各向异性地层中电磁脉冲测井响应。
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