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首页> 外文期刊>Journal of Geophysical Research. Biogeosciences >Generating deep water three-dimensional waves by coupling four-wave and five-wave interactions
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Generating deep water three-dimensional waves by coupling four-wave and five-wave interactions

机译：通过耦合四波和五波相互作用产生深水三维波

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Su [1982a, b] reported the results of experiments that demonstrate the occasional predominance of three-dimensional waves in deep waters. Three-dimensional waves require the interaction of five- (or more) wave modes. However, both instability analysis MacLean, 1982] and numerical simulation [Lin and Perrie, 1997a, b] demonstrate that five-wave interactions have nonlinear transfer rates 2 orders of magnitude less than those for four-wave interactions in deep waters. Su and Green [1984] suggested that two-dimensional instabilities generate waves whose steepening beyond a critical point then triggers three-dimensional instabilities, a phenomenon known to occur in shallow water. We report the results of simulations that confirm the coupling of four- and five-wave interactions in deep water but show that this coupling occurs in response to decreases in spectral width rather than increases in wave steepness. In contrast to the shallow water scenario, the wave steepness never reaches critical values. [References: 21]
机译：Su [1982a，b]报告了表明深水中偶发的三维波偶尔出现的实验结果。三维波需要五（或更多）波模式的相互作用。然而，不稳定性分析MacLean，1982]和数值模拟[Lin and Perrie，1997a，b]均表明，五波相互作用的非线性传输速率比深水四波相互作用的低2个数量级。 Su和Green [1984]提出，二维不稳定性会产生波，其波峰超过临界点后会触发三维不稳定性，这是一种已知发生在浅水中的现象。我们报告了模拟结果，这些结果确认了深水中的四波和五波相互作用的耦合，但是表明这种耦合是对频谱宽度的减小而不是波陡度的增加的响应。与浅水情况相比，波陡从未达到临界值。 [参考：21]

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