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；
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。
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。
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