Rogue waves at low Benjamin-Feir indices: Numerical study of the role of nonlinearity

被引：0
|
作者：
V. P. Ruban
机构：
[1] Russian Academy of Sciences,Landau Institute for Theoretical Physics
来源：
JETP Letters | 2013年 / 97卷
关键词：
Crest; Direct Numerical Simulation; JETP Letter; Wave Field; Rogue Wave;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The nonlinear interaction between waves in incoherent sea states is weaker than their dispersion. In this situation, random space-time focusing is the main mechanism of the formation of rogue waves. The numerical simulation has indicated that nonlinearity becomes important at the final stage of focusing and can significantly change predictions of the so-called second-order theory concerning the parameters of rogue waves. The elongation of the crest of a rogue wave as compared to that predicted by the second-order theory is an important effect promoting the “weighting of the tails” of the distribution function of the vertical deviation of the free surfaces.
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页码：686 / 689
页数：3
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