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Influence of Wind Forcing on Modulation and Breaking of One-Dimensional Deep-Water Wave Groups

机译：强迫风对一维深水波群调制和破裂的影响

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摘要

Evolution of nonlinear wave groups to breaking under wind forcing was studied by means of a fully nonlinear numerical model and in a laboratory experiment. Dependence of distance to breaking and modulation depth (height ratio of the highest and the lowest waves in a group) on wind forcing was described. It was shown that in the presence of a certain wind forcing both distance to breaking and modulation depth decrease; the latter signifies slowing down of the instability growth. It was also shown that wind forcing significantly reduces the energy loss in a single breaking event.
机译：借助完全非线性的数值模型和实验室实验研究了在强风作用下非线性波群向破坏的演化。描述了到破风的距离和调制深度（一组中最高和最低波的高度比）与风力的关系。结果表明，在存在一定风的情况下，破裂距离和调制深度都减小；后者表示不稳定增长放慢。还显示出，在单个破裂事件中，强迫风能显着减少了能量损失。

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  • 来源
    《Journal of Physical Oceanography》 |2012年第6期|p.928-939|共12页
  • 作者

    Alina Galchenko; Alexander V. Babanin; Dmitry Chalikov; I. R. Young; Brian K. Haus;

  • 作者单位

    SwinburneUniversity of Technology, P.O. Box 218, Hawthorn VIC 3122,Australia;

    Swinburne University of Technology, Melbourne, Victoria, Australia;

    Swinburne University of Technology, Melbourne, Victoria, Australia;

    Australian National University, Canberra, Australian Capital Territory, Australia;

    University of Miami, Coral Gables, Florida;

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