王驰,王红,段子冰,周正萍,左其华.决口海堤水波传播模拟和分析研究Ⅱ: 2D传播[J].海洋工程,2019,37(6):74~85
决口海堤水波传播模拟和分析研究Ⅱ: 2D传播
Simulation and analysis of flood wave propagation in burst seawall II: 2D propagation
  
DOI:10.16483/j.issn.1005-9865.2019.06.008
中文关键词:  海堤决口  淹没深度  传播距离  淹没水量  淹没范围
英文关键词:seawall breach  submerged depth  propagation distance  submerged water volume  submerged range
基金项目:
作者单位E-mail
王驰 南京水利科学研究院江苏 南京 210029 chiwang@nhri.cn 
王红 南京水利科学研究院江苏 南京 210029  
段子冰 南京水利科学研究院江苏 南京 210029  
周正萍 南京水利科学研究院江苏 南京 210029  
左其华 南京水利科学研究院江苏 南京 210029  
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中文摘要:
      应用经验证的SWASH数学模型,分析了海堤决口中心线沿线实测水深分布规律和保护区淹没水量与淹没面积。对不同特征水深进行验证,进而探讨不同波要素对不同形式的海堤决口堤后特征水深分布情况以及波浪传播距离与时间的关系;分析了物理模型试验中海堤决口宽度以及不同波要素对堤后洪水波演进的影响;计算了不同决口深度和宽度对洪水波传播的影响,建立堤后水体淹没水量和淹没面积分布公式。成果可供我国沿海城市和地区在风暴潮和台风浪作用下海堤决口风险图绘制参考。
英文摘要:
      The verified SWASH mathematical model is used to analyze the measured water depth distribution along the center line of the seawall and the submerged water and submerged area. The water depths of different features are verified, and the relationship between the water depth distribution and the wave propagation distance and time of different types of seawall breakwaters is discussed. The width of the seawall and the different wave elements are analyzed in the physical model test. The influence of post-flood wave evolution and the influence of different depths and widths of the breach on the propagation of flood waves are calculated, and the formula for the distribution of submerged water and submerged area after the embankment is established. The results can be used as reference for the risk map of the seawall under the influence of storm surge and typhoon waves in the coastal cities and regions of China.
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