A finite difference method in non orthogonal curvilinear coordinate is used for the simulation of two dimensional electrostatic field. The computational formula is derived.
讨论了计算二维静电场的非正交有限差分算法，给出了数值计算公式。
By use of the time split method, a conservation difference formula is established to find the solution to the shallow water equation based on the finite volume control method from integral equations.
采用二分步法，从积分型方程出发，在有限控制体上建立守恒型差分格式，对二维浅水波方程进行求解。
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。
The sensitivity matrix of target parameters relative to control parameters is numerically computed using finite central difference formula.
利用中心差分公式计算终端参数对控制参数的敏感矩阵。
Finite difference method is applied, giving formula for the design of close-type air-lubricated guide-ways.
本文采用有限差分法进行分析，提出了闭式导轨的设计计算公式。
Finite difference method is applied, giving formula for the design of close-type air-lubricated guide-ways.
本文采用有限差分法进行分析，提出了闭式导轨的设计计算公式。
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