摘要
文中采用Boussinesq数值波浪模型模拟了在N型波浪作用下复杂形状港内水体的响应。N型波浪在进入港口后会引起港内水体的振荡并被反射,港内波面扰动是一个随时间变化的瞬变波动过程。通过基于连续小波变换的时频分析结果并与现有的理论值进行比较发现,N型波浪引起的振荡其主要能量主要集中在港池第一振荡模态上,这为估计复杂形状港口的自振频率提供了一个可行的方法。
基金
水文水资源与水利工程科学国家重点实验室开放研究基金(2011490811)
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