飓风极值波浪数值模拟

Numerical simulation of extreme hurricane waves

飓风浪对于船舶航行、海洋和海岸结构物的安全意义重大,分析工程区设计波要素需要考虑飓风引起的大浪。采用Young&Sobey风场模型建立飓风风场,以飓风风场作为第三代波浪模型MIKE 21 SW的驱动场,对发生在大西洋的飓风IRENE引起的飓风浪进行模拟,并将模拟结果与实测浮标数据进行对比。对比结果显示,MIKE 21 SW可以很好地模拟飓风引起的极值波浪要素。

Waves caused by hurricanes are important to safety of ship navigation, marine and coastal structures.Hurricane waves should be considered in design wave parameters calculation.The paper uses Young ＆ Sobey cyclone model to set up hurricane wind field, and uses the third wave model-MIKE 21 SW to simulate wave caused by hurricane, and compares the simulated results with buoy data. According to the comparison result, extreme wave parameters can be simulated well by MIKE 21 SW.