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Numerical simulation of the breach's expansion and scouring process in flood detention area
Author(s): 
Pages: 38
Year: Issue:  6
Journal: Journal of Sediment Research

Keyword:  分洪区泥沙展宽冲刷数值模拟;
Abstract: 河道两旁的分洪区能够为河流分蓄超额洪水发挥重要作用,分洪区扒口分洪后口门的展宽和刷深过程的模拟对于抗洪工作具有较为重要的现实意义.本文在应用平面二维水流泥沙数学模型模拟分洪口门纵向冲刷的基础上,考虑了分洪口门横向展宽和崩塌过程的模拟,建立了一种能够模拟分洪口门展宽和刷深的混合数学模型,并将该模型应用于实际分洪区的计算,计算结果表面明该模型能够合理地模拟分洪口门的展宽和刷深过程.
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