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    Wave Breaking in Directional Fields

    Source: Journal of Physical Oceanography:;2010:;Volume( 041 ):;issue: 001::page 145
    Author:
    Babanin, A. V.
    ,
    Waseda, T.
    ,
    Kinoshita, T.
    ,
    Toffoli, A.
    DOI: 10.1175/2010JPO4455.1
    Publisher: American Meteorological Society
    Abstract: Wave breaking is observed in a laboratory experiment with waves of realistic average steepness and directional spread. It is shown that a modulational-instability mechanism is active in such circumstances and can lead to the breaking. Experiments were conducted in the directional wave tank of the University of Tokyo, and the mechanically generated wave fields consisted of a primary wave with sidebands in the frequency domain, with continuous directional distribution in the angular domain. Initial steepness of the primary wave and sidebands, as well as the width of directional distributions varied in a broad range to determine the combination of steepness/directional-spread properties that separates modulational-instability breaking from the linear-focusing breaking.
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      Wave Breaking in Directional Fields

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4212836
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    contributor authorBabanin, A. V.
    contributor authorWaseda, T.
    contributor authorKinoshita, T.
    contributor authorToffoli, A.
    date accessioned2017-06-09T16:37:00Z
    date available2017-06-09T16:37:00Z
    date copyright2011/01/01
    date issued2010
    identifier issn0022-3670
    identifier otherams-70994.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4212836
    description abstractWave breaking is observed in a laboratory experiment with waves of realistic average steepness and directional spread. It is shown that a modulational-instability mechanism is active in such circumstances and can lead to the breaking. Experiments were conducted in the directional wave tank of the University of Tokyo, and the mechanically generated wave fields consisted of a primary wave with sidebands in the frequency domain, with continuous directional distribution in the angular domain. Initial steepness of the primary wave and sidebands, as well as the width of directional distributions varied in a broad range to determine the combination of steepness/directional-spread properties that separates modulational-instability breaking from the linear-focusing breaking.
    publisherAmerican Meteorological Society
    titleWave Breaking in Directional Fields
    typeJournal Paper
    journal volume41
    journal issue1
    journal titleJournal of Physical Oceanography
    identifier doi10.1175/2010JPO4455.1
    journal fristpage145
    journal lastpage156
    treeJournal of Physical Oceanography:;2010:;Volume( 041 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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