Ordinary finite element and finite difference methods are often used for seepage calculation, while storage centered finite element method is rarely applied to practice.
普通有限元方法和有限差分方法是渗流计算中常用的数值方法，而贮量集中有限元方法则很少被实际应用。
This paper presents a numerical calculation with finite difference method for two-dimensional turbulent jets mixing flow field.
本文给出了二维紊流射流掺混流场的有限差分数值计算方法。
FDM (Finite Difference method) is one of the important numeric calculation methods used in Groundwater Gynamics.
有限差分法是一种重要的数值计算方法。
Using finite difference method, we carry out the numerical calculation of the electric field induced by a low frequency magnetic field in a two dimensional stratified biological medium.
采用有限差分法对低频磁场在二维分层生物媒质中诱发的电场进行了数值计算。
The temperature field and thermal camber of the roll are made in numerical simulation by finite difference method and the calculation values coincide better with the measured values.
采用有限差分法对轧辊温度场和热凸度进行了数值模拟，计算值和实测值吻合较好。
The mesh used in the code is signed by Finite Control Volume method. Power Law Difference Scheme(PLDS) used in the calculation not only is simple but also has high precision.
采用PLDS法进行数值插值，这种插值方法不但较为简单，而且计算精度高，优于传统的中间差分法；
By using a full-hidden finite difference method a numerical calculation was conducted of the above-cited model.
采用全隐式有限差分方法对模型进行了数值计算。
Secondly, by the finite difference method and two-parameter method, this study derives the calculation on the inter force and displacement of the anchor piles.
其次，引入有限差分法与双参数法，考虑桩底的几种约束情况，推导了锚索桩内力与位移计算方法。
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.
对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有限差分程序对深部开采圆形矿柱进行高应力下动力扰动数值计算。
In the calculation, the mathematical model assumed by Winkler and its finite-difference solution are adopted.
计算采用文克尔假定的数学模型及其有限差分解。
Verification calculation of transient temperature and stress distributions were performed with the finite difference method, and the results coincided with the measurements.
并用有限差分法对瞬态温度场与热应力进行了校核计算，其结果与实测完全吻合。
A finite difference numerical calculation has shown that the smaller the difference step is, the faster the difference solution approaches the analytic one.
该类方程的差分数值计算表明，当差分步长变小时，差分解很快逼近解析解。
FDTD(Finite Difference of Time Domain) algorithms applied in ground echo calculation at present have the disadvantages of slow speed or large errors.
目前在超宽带地面回波计算中所使用的FDTD（时域有限差分）算法计算量较大或者存在较大误差。
The comparison of the calculation time between the streamline simulation technique and the finite difference method also confirms that streamline simulation technique has better simulation velocity.
在流线模拟技术与有限差分方法运算时间的比较中，也证实流线模拟技术具有更快的运算速度。
Aiming at the problem of on-line calculation to the temperature field for turbine rotor, the Crank-Nicolson finite-difference calculation model was given.
针对汽轮机转子温度场的在线求解问题，给出了克兰克·尼科尔森差分计算模型。
Though the calculation of a piece of box culvert with a special-shaped structure the paper compares the difference between the traditional calculation method and solid finite element calculation.
通过对一块异形结构箱涵的计算，比较了传统计算方法与实体有限元计算的差异；
This paper presents a numerical calculation with finite difference method for supersonic flow of ideal gas over bent cones.
本文给出了绕弯曲头锥理想气体超音速流动差分数值计算方法。
The finite difference forms of govern equations are derived which meet the demands of accuracy and calculation stability.
在保证计算精度和稳定性的前提下，利用有限差分法对基本方程进行了离散化，得到了数学模型的差分格式。
With the help of a finite difference method a temperature field distribution calculation is conducted of a membrane water wall, a tube wall with an irregular shape.
采用有限差分方法对膜式水冷壁这一形状不规则的管壁进行温度场分布计算。
In this paper, through comparing various algorithms, Finite-Difference Time-Domain method (FDTD) for electric waves is selected for calculation which is applicable to this subject.
本文通过对各种算法的比对，选择了适用于本课题模型的电磁散射计算方法—时域有限差分方法(FDTD)。
The results of calculation showed that using 3d finite-difference of high density resistivity method to forward model of karst of coal mine could observe features of the karst and this can pr.
计算结果表明，利用高密度电阻率法三维有限差分正演模拟煤矿岩溶，完全可以得到岩溶的特征信息，为进一步治理矿井隐藏岩溶提供了依据。
The finite difference method (FDM) is used in the numerical calculation. Fielddistribution at particular time and field at one point as a function of time are displayed.
数值计算采用了有限差分法，可算出某时刻厚板边缘散射场的分布和某点声场随时间的变化。
A calculation model for the bridge using finite element method has been built, and the influence upon the temperature difference was analyzed.
建立了该桥的有限元计算模型，并分析了温差的影响。
Then, has made the finite difference model, and developed the computer program of the model by VB to simulate gas reservoir with high H_2S content calculation example in SPE36707 paper.
将该模型离散为数值模型，利用VB语言编制了模型的计算机求解程序，模拟计算了SPE36707论文高含硫气藏算例。
In a 2-d structure, the calculation results of a hybrid method, which is based on combing ray tracing and finite-difference time-domain (FDTD) method, agree well with the measurement.
在二维情形中，基于结合射线跟踪法和时域有限差分法(FDTD)的室内无线传播混合建模方法对于室内无线传播的预测结果与测量结果吻合较好。
In a 2-d structure, the calculation results of a hybrid method, which is based on combing ray tracing and finite-difference time-domain (FDTD) method, agree well with the measurement.
在二维情形中，基于结合射线跟踪法和时域有限差分法(FDTD)的室内无线传播混合建模方法对于室内无线传播的预测结果与测量结果吻合较好。
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