A review on the Landau damping and coherent structures in narrow-banded 1+1 deep water gravity waves was presented. The modulational instability in surface gravity waves with random phase spectra was studied. The stability of the narrow-banded approximation of a wind-wave spectrum was also studied. Numerical simulations showed that in the unstable regime, the nonlinear stage of the modulational instability was responsible for the formation of coherent structures.

Landau damping and coherent structures in narrow-banded 1 + 1 deep water gravity waves

FEDELE, RENATO;
2003

Abstract

A review on the Landau damping and coherent structures in narrow-banded 1+1 deep water gravity waves was presented. The modulational instability in surface gravity waves with random phase spectra was studied. The stability of the narrow-banded approximation of a wind-wave spectrum was also studied. Numerical simulations showed that in the unstable regime, the nonlinear stage of the modulational instability was responsible for the formation of coherent structures.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11588/3054
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