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- finite difference operator 差分算子,有限差分算子
- High dip finite difference depth migration. 大倾角有限差分深度偏移
- 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。
- The buckling critical load is calculated with finite difference method. 用差分法求解这个方程,得到了连续油管的临界失稳载荷。
- Finite difference methods for solving elliptic, parabolic and hyperbolic PDEs. 求解椭圆型,抛物型方程和双曲型偏微分方程的有限差分法。
- In this paper,a optimal finite difference scheme based on the optimal FIR method is discussed,with which the ideal differential operator is approximated in the frequency or spetial domain. 文中讨论了一种基于最优有限冲激滤波器设计方法的最优差分格式,从频率空间或者波数空间中实现对理想偏微分算子的逼近,构造一种新的具有低数值色散关系的最优时域有限差分方法。
- An operator splitting numerical method combining finite difference method (FDM) and finite element method(FEM) is proposed in this paper by using boundary-fitted coordinate system. 在边界拟合坐标系下给出耦合了有限差分法和有限单元法的新型的破开算子法。
- Taylor's exposition based on what we would call finite differences. 泰勒的阐述是建立在我们叫作有限差分的基础上的。
- The consolidation equations were discretized using Crank-Nicolson finite difference form to facilitate solving them. 利用Crank-Nicolson差分格式离散非线性固结方程以方便求解。
- The way of using finite difference method to solve the dynamic response factors of a two dimension prob lem is shown. 同时还介绍了用有限差分法计算二维问题的响应系数的方法。
- Try selecting a different operating system image. 尝试选择其他的操作系统映象文件。
- By the example, it was proved that diffusion of error from single point subdomain integration is more slow than central finit difference. 算例也表明了单点子域积分法具有比中心差分法误差扩散慢的特点。
- 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。
- Using the orthonormalization technique, we obtain a finite difference representation of wavelets. 利用正交规范化,获得了小波的有限差分表示。
- Consider the second order nonlinear variable delays difference equation with nonlinear neutral terms. The sufficient conditions for oscillation of the equation and the difference operator are obtained. 考虑具有非线性中立项的二阶非线性变时滞差分方程,获得了该方程及其差分算子振动的充分条件。
- The finite difference equations was deduced using three dimensional control volume method. 用三维控制容积法推导了传热、导电的有限差分方程。
- From the fundamental theory of the teleportation, an arbitrary two-partite state can be teleported via a quantum channel of common eigenstates of number sum operator and phase difference operator. 本文从基本的隐形传态理论出发,用粒子数和算符以及相位差算符,并通过这两类算符的共同本征态作量子通道实现了任意两粒子态的隐形传态。
- Theory of finite element method and finite difference method for BFIA are briefly discussed. 摘要简要分析了用有限元法和有限差分法计算下部钻具组合的理论。
- Because the algorithm is conservative, the DORA approach is clearer in physics than finite difference approaches. 以物理守恒定理为基础,比差分格式物理意义更明显;
- In a Cartesian coordinate system, we carry out a finite difference analysis of a general form of the energy equation. 在直角坐标系中,对能量本征方程的一般形式进行有限差分解析,并建立相应的差分格式。