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- Title
Focusing of Nonlinear Wave Groups in Deep Water.
- Authors
Kharif, C.; Pelinovsky, E.; Talipova, T.; Slunyaev, A.
- Abstract
The freak wave phenomenon in the ocean is explained by the nonlinear dynamics of phase-modulated wave trains. It is shown that the preliminary quadratic phase modulation of wave packets leads to a significant amplification of the usual modulation (Benjamin–Feir) instability. Physically, the phase modulation of water waves may be due to a variable wind in storm areas. The well-known breather solutions of the cubic Schrödinger equation appear on the final stage of the nonlinear dynamics of wave packets when the phase modulation becomes more uniform. © 2001 MAIK “Nauka / Interperiodica”.
- Subjects
OCEAN waves; NONLINEAR waves
- Publication
JETP Letters, 2001, Vol 73, Issue 4, p170
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.1368708