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    Open Boundary Conditions for Dispersive Waves

    Source: Journal of the Atmospheric Sciences:;1976:;Volume( 033 ):;issue: 002::page 176
    Author:
    Bennett, A. F.
    DOI: 10.1175/1520-0469(1976)033<0176:OBCFDW>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Approximate outgoing radiation conditions have been widely used at open boundaries in dispersive wave computations. Exact outgoing radiation conditions are constructed here for infinitesimal surface inertia-gravity waves, barotropic Rossby waves, and non-hydrostatic internal gravity waves incident at infinite plane open boundaries. They are also constructed for infinitesimal two-dimensional surface gravity waves incident at a square open boundary, a finite straight open boundary in a channel, and a circular open boundary, The constructions use Laplace transforms, various Fourier transforms, and a wave field splitting technique. The exact outgoing radiation conditions all involve weighted space and time averages. Their numerical implementation would be most complex and would require computer storage approaching that which one is trying to avoid by the introduction of open boundaries. Alternatives are discussed.
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      Open Boundary Conditions for Dispersive Waves

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4152832
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    contributor authorBennett, A. F.
    date accessioned2017-06-09T14:18:39Z
    date available2017-06-09T14:18:39Z
    date copyright1976/02/01
    date issued1976
    identifier issn0022-4928
    identifier otherams-16989.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4152832
    description abstractApproximate outgoing radiation conditions have been widely used at open boundaries in dispersive wave computations. Exact outgoing radiation conditions are constructed here for infinitesimal surface inertia-gravity waves, barotropic Rossby waves, and non-hydrostatic internal gravity waves incident at infinite plane open boundaries. They are also constructed for infinitesimal two-dimensional surface gravity waves incident at a square open boundary, a finite straight open boundary in a channel, and a circular open boundary, The constructions use Laplace transforms, various Fourier transforms, and a wave field splitting technique. The exact outgoing radiation conditions all involve weighted space and time averages. Their numerical implementation would be most complex and would require computer storage approaching that which one is trying to avoid by the introduction of open boundaries. Alternatives are discussed.
    publisherAmerican Meteorological Society
    titleOpen Boundary Conditions for Dispersive Waves
    typeJournal Paper
    journal volume33
    journal issue2
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/1520-0469(1976)033<0176:OBCFDW>2.0.CO;2
    journal fristpage176
    journal lastpage182
    treeJournal of the Atmospheric Sciences:;1976:;Volume( 033 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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