| Nonlinear wave-wave interactions and wedge waves |
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| 作者姓名： | RayQ.Lin WillPerrie |
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| 作者单位： | [1]HydromechanicDirectorate,DavidTaylorModelBasin,CarderockDivision,9500MacArthurBoulevardWestBethesda.MD20817-5700,USA [2]OceanSciencesDivision,MaritimesRegion,FisheriesandOceansCanada,BedfordInstituteofOceanographyDartmouth,NovaScotia,CanadaB2Y4A2 |
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| 摘 要： | A tetrad mechanism for exciting long waves, for example edge waves, is described based on nonlinear resonant wave-wave interactions. In this mechanism, resonant interactions pass energy to an edge wave,from the three participating gravity waves. The estimated action flux into the edge wave can be orders of magnitude greater than the transfer fluxes derived from other competing mechanisms, such as triad interactions. Moreover, the numerical results show that the actual transfer rates into the edge wave from the three participating gravity waves are two- to three- orders of magnitude greater than bottom friction.
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| 关 键 词： | 非线性波-波作用 四次-三元组 引力波 边缘波 平行作用 振动振幅 |
| 收稿时间： | 21 February 2004 |
| 修稿时间： | 15 July 2004 |
Nonlinear wave-wave interactions and wedge waves |
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| RayQ.Lin WillPerrie.Nonlinear wave-wave interactions and wedge waves[J].Chinese Journal of Oceanology and Limnology,2005,23(2):129-143. |
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| Authors: | Ray Q Lin Will Perrie |
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| Institution: | (1) David Taylor Model Basin, Carderock Division, Hydromechanic Directorate, 9500 MacArthur Boulevard West Bethesda, 20817-5700, MD, USA;(2) Ocean Sciences Division, Maritimes Region, Fisheries and Oceans Canada, Bedford Institute of Oceanography Dartmouth, B2Y 4A2, Nova Scotia, Canada |
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| Abstract: | A tetrad mechanism for exciting long waves, for example edge waves, is described based on nonlinear resonant wave-wave interactions. In this mechanism, resonant interactions pass energy to an edge wave, from the three participating gravity waves. The estimated action flux into the edge wave can be orders of magni- tude greater than the transfer fluxes derived from other competing mechanisms, such as triad interactions. More- over, the numerical results show that the actual transfer rates into the edge wave from the three participating gravity waves are two- to three- orders of magnitude greater than bottom friction. |
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| Keywords: | edge waves quartic interactions triad interactions gravity waves parallel wave-wave interactions |
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