This paper puts forward a new multiple gird scheme, which is used with the combination of explicit time marching method, finite volume difference code and distributed body force.
提出了一种新的与显式时间推进法、有限体积差分格式、粘性体积力法有效地配合使用的多重网格法来求解叶轮机械可压流动。
The numerical solution is obtained by finite difference divergence of time, and finite volume divergence of space.
采用时间有限差分离散，空间有限体积离散的方法求问题的数值解。
To solve the two-dimensional shallow water equation, the finite volume method, combining with the finite difference method, is adopted in this text to develop the numerical value model.
对于二维浅水波模型，本文采用有限体积法并结合有限差分法建立了数值模型。
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。
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。
Moreover, the three solutions of finite difference, finite element and finite volume are discussed.
讨论了有限差分、有限元及有限体积三种数值解法。
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；
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；
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