Numerical Simulation of the Sea Surface Rogue Waves within the Framework of the Potential Euler Equations

Direct numerical simulations of wind-generated gravity waves on a 2D sea surface are carried out within the framework of the basic potential equations of hydrodynamics. The data obtained for conditions of deep water, the JONSWAP spectrum and various wave intensities, widths of angular spectrum, and...

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Bibliographic Details
Published in:Izvestiya. Atmospheric and oceanic physics 2020-03, Vol.56 (2), p.179-190
Main Authors: Slunyaev, A., Kokorina, A.
Format: Article
Language:English
Subjects:
Climatology
Computational fluid dynamics
Computer simulation
Deep water
Earth and Environmental Science
Earth Sciences
Euler-Lagrange equation
Fluid flow
Geophysics/Geodesy
Gravitational waves
Gravity waves
Hydrodynamics
Mathematical analysis
Mathematical models
Numerical simulations
Profiles
Rogue waves
Sea surface
Wave period
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Summary:Direct numerical simulations of wind-generated gravity waves on a 2D sea surface are carried out within the framework of the basic potential equations of hydrodynamics. The data obtained for conditions of deep water, the JONSWAP spectrum and various wave intensities, widths of angular spectrum, and peakedness are processed and the results are discussed. The statistical and spectral characteristics of the waves evolve over a long time. The specific asymmetry of the typical profiles of anomalously high waves is shown. The durations of extreme events, which can be up to several tens of wave periods, are calculated.
ISSN:0001-4338
1555-628X
DOI:10.1134/S0001433820020127