Mathematical model is used to calculate and analyze water line in case of 9 kinds of flood flow levels respectively in reservoir.
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。
Based on principle of mass conservation, this paper sets up mathematical model of gas water two phase steady flow.
从渗流力学的基本原理出发，基于质量守恒原理，建立了气水两相地层稳定渗流的数学模型。
The calculated results show that the established mathematical model can satisfactorily simulate the variation of water surface pattern and redistribution of velocity in bend flow.
计算和验证表明：建立的弯道水流数学模型能较好地模拟弯道水面形态变化和流速重分布。
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