JETP Letters

, Volume 91, Issue 2, pp 62–65 | Cite as

Probability of the occurrence of freak waves

  • V. E. Zakharov
  • R. V. Shamin
Nonlinear Dynamics


The statistics of the occurrence of freak waves on a surface of an ideal heavy liquid is studied. The freak (rogue, extreme) waves arise in the course of evolution of a statistically homogeneous random Gaussian wave field. The mean steepness of initial data varies from small (μ2 = 1.54 × 10−3) to moderate (μ2 = 3.08 × 10−3) values. The frequency of the occurrence of extreme waves decreases with an increase in the spectral width of the initial distribution, but remains relatively high even for broad spectra (Δ k /Δ ∼ 1).


JETP Letter Conformal Mapping Spectral Width Significant Wave Height Lower Half Plane 
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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  1. 1.Lebedev Physical InstituteRussian Academy of SciencesMoscowRussia
  2. 2.Shirshov Institute of Oceanology of the Russian Academy of SciencesMoscowRussia
  3. 3.Department of MathematicsUniversity of ArizonaTucsonUSA

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