以有限体积法为核心，建立了求解二维浅水方程和对流扩散方程的模型体系。
Based on the Finite Volume Methods (FVM), model system is developed to solve the 2d shallow water equation and convection-diffusion equation.
基于河工模型的相似理论，从二维浅水方程推导出潮汐河口水流运动的相似条件。
Based on similarity theory of the physical model, the similarity condition of the current movement in the tidal estuary was deduced from the 2D shallow water equations.
对二维浅水方程粘性项给出了一个离散方案，并将其应用于求解后台阶流动问题。
We give a discretization method for the viscous terms of the two-dimensional shallow water equations , and the obtained discretized equations are used to solve the backward-facing step flow problem.
从二维浅水非恒定流的控制方程出发，建立了一个二维湖泊流体动力学模型。
Based on the two-dimension adlittoral non-invariablenes flow control equation of lakes, a hydrodynamic model of lakes was built up.
导出了二维浅水流动的涡动方程与速度环量的随体导数表达式，以此为基础，分析了二维浅水流动中旋涡的动力学性质；
The vorticity equation was first established and the characteristics of vortex motion in two-dimensional shallow-water flows was analyzed, and then discrete vortex method (DVM) was briefly described.
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。
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.
利用二维非线性潮波方程组，讨论了渤黄海主要分潮(全日潮、半日潮及浅水分潮)数值模拟中的有关问题。
By applying two dimensional tidal equations, problems in tidal simulation of Bohai Sea and Huanghai Sea have been solved.
提出了建立伴随方程的分解技术，通过二维浅水波方程的伴随方程的建立，研究了建立伴随方程的数学方法。
We put forward a decomposing technology of creating the adjoint equation. By creating the 2-d shallow-water equation, we study the mathematical method of creating the adjoint equation.
介绍了本文求解二维浅水波方程组所采用的高精度高分辨的无结构网格有限体积数值模型。
To solve the 2-d shallow water equations, the numerical model which adopted the high order and high resolution finite volume method on unstructured grids was introduced.
介绍了本文求解二维浅水波方程组所采用的高精度高分辨的无结构网格有限体积数值模型。
To solve the 2-d shallow water equations, the numerical model which adopted the high order and high resolution finite volume method on unstructured grids was introduced.
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