水文学的河道洪水演进方法
For natural water course with multi-sandbank,it's inconvenient to simulate flood routing when adopting 1D or horizontal 2D flow model,because of the multi-branches of river.
对含有多个沙洲的天然河道，由于河道分汊，不便采用 一维或平面二维 模型计算洪水演进过程。
参考来源 - 一维河网水流数学模型在含多个沙洲的天然河道中的应用—《南水北调与水利科技》—2008年第3期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
洪泛区洪水演进数值模拟是风险分析与居民防洪避险等非工程措施的重要依据。
Numerical modeling of flood routing in flood area is important basis of non-engineering measure, such as analysis of flood risk, people's escaping from risk of flood and so on.
提出了洪水演进计算中“干湿”边界的处理方法，较好地解决了动边界模拟问题。
A good method of dealing with wet and dry boundary in calculation is given in the article, so the movable boundary simulation problem is solved successfully.
应用到大洪水年份河段洪水演进中，显著地提高了洪水过程特别是最高洪水位的拟合精度。
When applied to flood routing for the river reach in large water years the curve obviously improves the simulated flood processes especially the result of the highest water stage.
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