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The Scenario of a Single Freak Wave Appearance in Deep Water – Dispersive Focusing Mechanism Framework : Volume 11, Issue 1 (11/01/2011)

By Pelinovsky, E.

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Book Id: WPLBN0004016171
Format Type: PDF Article :
File Size: Pages 8
Reproduction Date: 2015

Title: The Scenario of a Single Freak Wave Appearance in Deep Water – Dispersive Focusing Mechanism Framework : Volume 11, Issue 1 (11/01/2011)  
Author: Pelinovsky, E.
Volume: Vol. 11, Issue 1
Language: English
Subject: Science, Natural, Hazards
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2011
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Chaikovskaya, N., Pelinovsky, E., & Shurgalina, E. (2011). The Scenario of a Single Freak Wave Appearance in Deep Water – Dispersive Focusing Mechanism Framework : Volume 11, Issue 1 (11/01/2011). Retrieved from http://cn.ebooklibrary.org/


Description
Description: Department of Nonlinear Geophysical Processes, Institute of Applied Physics, Nizhny Novgorod, Russia. One of the possible mechanisms of the emergence of freak waves in deep water, based on the dispersive focusing of unidirectional wave packets is analysed. This mechanism is associated with the frequency dispersion of water waves and manifested in the interference of many spectral components, moving with different velocities. Formation of a single freak wave in a random wind wave field is considered in the frame of linear theory. The characteristic lifetime of an abnormal wave in the framework of this mechanism for typical conditions is approximately two minutes, thus, a rapid effect is difficult to predict and prepare for. A rogue wave quickly changes its shape from a high ridge to a deep depression.

Summary
The scenario of a single freak wave appearance in deep water – dispersive focusing mechanism framework

Excerpt
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