通过简化宽浅明渠二维水流运动方程，得到垂线平均流速在横向变化的微分方程序。
In this paper, a differential equation of describing the lateral distribution of depth averaged velocity is obtained by simplifying 2d shallow water equations of open channel flow.
模型包括坡面水流连续方程、水流运动方程、侵蚀方程(水土流失方程)、坡面变形方程。
It consists of the equation of the slope flow continuous equation, slope flow water kinematical equation, slope soil erosion equation, slope deformed equation.
本文通过引入滑动最小二乘法和有限差分法，得到水动力学无单元计算法并应用于复杂边界的河道水流运动方程。
Based on the moving least squares method and the finite difference scheme, a new element \ | free method is proposed and used to simulate horizontal two dimension river flow with complicated boundary.
通过建立水流和船舶运动基本方程，与实船静水操纵性能试验比较，船舶操纵性指数与实测基本一致。
In this paper, the equations of ship and current motion model are established. The calculation of the ship manipulative capability parameter is consistent with the measured in static stream.
本文给出了掺气水流的运动、连续、质量平衡、动量及能量诸基本方程序。
The general equations of motion, mass conservation, continuity and energy are DE - rived for the aerated turbulent water flow.
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.
根据弯道水流纵向运动方程，提出了弯道水流纵向垂线平均流速计算公式。
According to the longitudinal equation of flow movement in channel bends, the theoretical formula of depth-averaged longitudinal velocity distrbution is established.
从两相流运动方程出发，研究了细小悬移质颗粒的存在对水流脉动强度的影响。
Based on the equations of two-phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water.
本文给出了建立在弯道水流运动与方程基础上的弯曲河道三维水流模型。
In this paper, it is presented that the characteristics of the movement of flow in channel bends should be studied under the different flow region.
在对水量平衡模型进行修改的基础上，结合零惯量运动方程，以水量平衡方程为基础，对畦灌水流演进模型的结构进行了研究。
The explicit volume balance model was modified and combined with the motion equation of the zero inertia to predict water advance in border irrigation.
对弯道水流运动各特征量进行量级分析，为基本方程向二维和一维简化提供了理论依据。
Scale analysis was also carried out for characteristic flow parameters as a foundation of simplification of control equations to two-dimensional and one-dimensional ones.
对弯道水流运动各特征量进行量级分析，为基本方程向二维和一维简化提供了理论依据。
Scale analysis was also carried out for characteristic flow parameters as a foundation of simplification of control equations to two-dimensional and one-dimensional ones.
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