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。
In order to quickly predict the production performance, the streamline method was employed to solve this model as an alternative to the traditional finite-difference method.
为了实现生产动态的快速预测，用流线方法替代传统的有限差分法求解该模型。
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法对其进行了研究。
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。
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。
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.
但这一偏微分方程不能直接积分，所以通常用纳维法、瑞利-里兹法、有限差分方法等方法求解。
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。
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。
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。
In solving the mathematical model, two time-saving and effective numerical methods have been tested and compared with the finite difference method commonly used.
对动态数学校型的数值求解，试验了两种颇为有效的方法，并将这两种方法和常用的有限差分方法作了比较。
By using finite difference method, the derived equation was solved coupling with energy conservation equations.
利用有限差分法将该方程与能量守恒方程进行了耦合求解。
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。
Authors described and analyzed the finite difference method and finite element method.
作者阐述并分析了有限差分方法和有限元方法。
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。
A new method for calculating Euler equations is presented by means of the theory of reproducing kernel space and finite difference method.
利用再生核理论和有限差分法给出了一种计算欧拉方程组的新方法。
The nonlinear differential equations are solved using finite difference method.
用有限差分法求解非线性微分方程组。
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 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.
建立了含有微气泡的平板边界层方程，并采用一种简单的混合长度模型和有限差分方法对该方程进行了数值计算。
The finite difference method was used to discretize and solve the two phase energy equations.
采用有限差分法对两相能量方程进行离散求解。
Euler equations of generalized Riemann variable are derived from unsteady primitive variable Euler equations and solved by using two - a point-two-step upwind finite difference method.
该方法将原参数非定常欧拉方程组重新组合成以广义黎曼变量表示的欧拉方程组，再用二点二步迎风格式离散求解。
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。
The flow field in this reactor was computed by means of finite difference method.
运用有限差分法计算了这种反应器内部的流场。
The sensitivity matrix was calculated numerically by the finite difference method.
灵敏度系数矩阵是通过有限差分方法近似计算得到的。
The emphasis is placed upon the numerical methods, including finite difference method, finite element method, boundary element method and so on.
着重讨论了包括有限差分法、有限元法和边界元法等在内的数值方法。
Compared with Finite Element Method and Finite Difference Method, Boundary Integral Equation Method is computationally more efficient.
与有限元法和有限差分法相比，该方法具有更高的计算效率。
Compared with Finite Element Method and Finite Difference Method, Boundary Integral Equation Method is computationally more efficient.
与有限元法和有限差分法相比，该方法具有更高的计算效率。
应用推荐