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范玉燕, 汪诚文, 喻海军.SWMM模型河道及明满流模拟能力分析研究水资源与水工程学报[J].,2019,30(1):1-6
SWMM模型河道及明满流模拟能力分析研究
Research on simulation ability to deal with the rivers and the free-surface-pressure flow of SWMM
  
DOI:10.11705/j.issn.1672-643X.2019.01.01
中文关键词:  SWMM模型  城市雨洪模型  明满流  河道  管道概化
英文关键词:SWMM  urban rainstorm model  free-surface-pressure flow  river  pipe generalization
基金项目:国家重点研发计划项目(2017YFC1502706); 北京市自然科学基金重点项目(8181001); 水体污染控制与治理科技重大专项(2018zx07110008)
作者单位
范玉燕1, 汪诚文1, 喻海军2,3 (1.清华大学 环境学院 北京 100084 2.中国水利水电科学研究院 北京 100038 3.水利部防洪抗旱减灾工程技术研究中心 北京100038) 
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中文摘要:
      SWMM模型是当前国内外使用最为广泛的城市雨洪模型,对其模拟能力进行研究具有重要意义。在简要介绍SWMM模型的基础上,对模型处理城区河道和管道明满流等方面的能力进行了研究和分析。通过将SWMM模型模拟城区河道的结果与通用一维河网模型进行对比,对SWMM模型在处理和概化城区河道时存在的问题进行了分析,并论证了采用SWMM模型处理城区河道的可行性。采用具有复杂流态的经典环状排水管网算例对SWMM模型处理明满流的能力以及管道概化策略进行了研究和分析。研究结果表明:SWMM模型在保证合适的断面间距的情况下完全能够应用于城区河道水流计算,模拟结果与一般河网模型差别较小,同时SWMM模型具备模拟一维明满流的能力,在管道较长时,适当增加中间节点,可以在一度程度上改善模拟效果。
英文摘要:
      The SWMM model is the most widely used urban storm water management model in the world. It is of great significance to study the simulation capabilities of the SWMM model. Based on a brief introduction to the SWMM model, its simulation ability to deal with the rivers in the urban area and the free-surface-pressure flow was studied and analyzed. The problems existing in processing and generalizing urban rivers when using SWMM model were analyzed by comparing the results of the SWMM model with a common river network model, and the feasibility of using the SWMM model to deal with urban river channels was verified. The classical circular drainage network with complex flow patterns was used to study and analyze the SWMM model's ability to deal with the full flow and the pipeline generalization strategy. It is proved that the SWMM model can be applied to the calculation of the water flow in urban river with proper section spacing, there is no significant differences from the results of the general river network model, and the results show that SWMM has the ability to simulate the free surface-pressurized flow. In the presence of very long pipes, to add intermediate nodes properly can improve the simulation results to a certain degree.
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