Affiliation:
1. Institute of Applied Physics RAS
2. Il'ichev Pacific Oceanological Institute, Far Eastern Branch RAS
3. National Research University Higher School of Economics
Abstract
The contributions of various wave components (second, third and difference harmonics) to the formation of probability distributions of extreme wave heights, as well as amplitudes of crests and troughs, are evaluated based on the direct numerical simulation of irregular nonlinear deep water waves within three-dimensional potential equations of hydrodynamics. The simulation results taking into account 4- and 5-wave nonlinear interactions are analyzed. Different non-linear harmonics participate in the formation of the probability distributions in nontrivial way, essentially not satisfying the principles of linear superposition and ordering of the contribution by the parameter of weak nonlinearity.
Publisher
The Russian Academy of Sciences
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