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  1. Pubblicazioni

Statistical Properties of Directional OceanWaves: The Role of the Modulational Instability in the Formation of Extreme Events

Articolo
Data di Pubblicazione:
2009
Abstract:
We discuss two independent, large scale experiments performed in two wave basins of different dimensions in which the statistics of the surface wave elevation are addressed. Both facilities are equipped with a wave maker capable of generating waves with prescribed frequency and directional properties. The experimental results show that the probability of the formation of large amplitude waves strongly depends on the directional properties of the waves. Sea states characterized by long-crested and steep waves are more likely to be populated by freak waves with respect to those characterized by a large directional spreading.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
onde direzionali; eventi estremi; instabilita' modulazionale; proprieta' statistiche
Elenco autori:
M. Onorato; T. Waseda; A. Toffoli; L. Cavaleri; O. Gramstad; P. A. E. M. Janssen; T. Kinoshita; J. Monbaliu; N. Mori; A. R. Osborne; M. Serio; C. T. Stansberg H. Tamura; K. Trulsen
Autori di Ateneo:
ONORATO Miguel
SERIO Marina
Link alla scheda completa:
https://iris.unito.it/handle/2318/63426
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/63426/7083/onorato_etal_PRL2009.pdf
Pubblicato in:
PHYSICAL REVIEW LETTERS
Journal
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