在航道的整治设计中，对水面线的研究一直是一个重要课题。
The study of hydraulic grade line is an important project in navigation engineering.
给出了一个实用、有效的曲面急变流水面线及床面压力的计算方法。
A practical and effective calculation method of water surface line and bed pressure on curved beds of channels is presented in this paper.
但在天然河道水面线计算中，为了节省工作量把不恒定流视为恒定流。
However, the unstable flow is usually considered as stable flow in the calculation of natural river water surface curve in order to minimize the calculation work.
影响水面线及槽蓄曲线的因素可概括为河段自然地理状况及水流情势。
The factors affecting the water-surface profile and channel storage curve may be summarized as the physical geographical condition and the flow regime of the river reach.
自由水面线、等水头线以及等压线的分布情况都是合理的，具有良好的规律性。
The distribution of the seepage lines and isopotential line (isobaric lines) is reason-able and regular.
通过数值求解边界积分方程组，对流量、水面线和边壁压力等水力参数进行了数值模拟。
The flow parameters such as discharge, free surface profile and boundary pressure distribution are simulated by numerical calculating the boundary integral equations.
细致地模拟了荆江卵石夹沙河床及沙质河床浅滩河段的水面线、流速场、含沙量浓度场及河床变形。
The water surface level, velocity field and sediment concentration field of gravel sand bed and sand bed reach on Jianjiang river were refined simulated.
利用数学模型分别对9个洪水流量级进行了水库沿程水面线计算分析，每个流量级分有围垦堤和没有围垦堤两个方案。
Mathematical model is used to calculate and analyze water line in case of 9 kinds of flood flow levels respectively in reservoir.
同时利用一维数模计算工程后水面线及河网主要节点流量和分流比的变化，从整体的角度分析工程对整个珠江三角洲流域的影响。
The change of discharge and diversion ratio of the main junction is calculated by the 1-d model, and the influence of the engineering on the whole Pearl River Delta networks is analyzed.
同时利用一维数模计算工程后水面线及河网主要节点流量和分流比的变化，从整体的角度分析工程对整个珠江三角洲流域的影响。
The change of discharge and diversion ratio of the main junction is calculated by the 1-d model, and the influence of the engineering on the whole Pearl River Delta networks is analyzed.
应用推荐