The convection term is discretized with upwind-central difference scheme, while the pressure equation is solved by SOR.
对流项用迎风—中心差分格式模拟，压力方程用SOR法迭代求解。
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。
The spatial flux terms are discretized by using central difference scheme and the time integration is performed by using explicit scheme in the flow solver.
流场求解时采用中心差分的有限体积方法对空间通量项进行离散，采用显式推进方法进行时间方向的积分。
Applying the finite difference method to solve mathematics model of the well tests, and the central difference method is used.
应用有限差分法对试井的数学模型进行求解，采用中心差分。
The dynamic analysis of a layered fiber-reinforced composite laminate subject to a given impact loading has been made with a three dimensional finite element and central difference method.
本文采用三维有限元和中心差分法对一个具有一定取向的层板在冲击载荷下进行了动力分析。
The spatial field FE discrete method of the virtual work equation and the time field central difference discrete method of the FE equation in the dynamic explicit method are described in detail.
详细分析了动力显式算法中虚功方程的空间域有限元离散方法和有限元方程的时间域中心差分离散方法。
Due to the hyperbolic properties of convection-dominate dispersion equations, the central difference formula often cause numerical dispersion and oscillation even it has two-order precision in space.
由于对流为主的弥散方程具有双曲性质，中心差分格式虽然关于空间步长具有二阶精度，但会产生数值弥散和非物理力学特性的数值振荡，使数值模拟失真。
Due to the hyperbolic properties of convection-dominate dispersion equations, the central difference formula often cause numerical dispersion and oscillation even it has two-order precision in space.
由于对流为主的弥散方程具有双曲性质，中心差分格式虽然关于空间步长具有二阶精度，但会产生数值弥散和非物理力学特性的数值振荡，使数值模拟失真。
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