宽带非破碎海中的流氓波形态
Rogue Wave Morphology in Broadband Nonbreaking Seas
摘要：
在这里，我们通过统计分析表明，流氓波在宽带非破碎海空间不对称。除了自上而下的不对称性，由于非线性效应，我们发现，两个槽相邻的流氓波峰通常是不同的深度，这是不像传统的图片流氓波对称的前后槽往往从模型方程。在道格拉斯海表4 ~ 6级海况下，表现出流氓-波谷不对称性.考虑到最深的槽导致约10%的平均流氓波高的计算相比，以前的结果与对称槽流氓波报告。这意味着，对于所有实际海洋条件，应重新评估基于模型方程的异常波谷波峰振幅估计值。
英文摘要：
Here, we show through a statistical analysis that rogue waves in broadband non-breaking seas are spatially asymmetric. In addition to the top-down asymmetry due to nonlinear effects, we show that the two troughs adjacent to the rogue wave crest are generally of different depths, which is unlike the conventional picture of rogue waves with symmetric fore and aft troughs often obtained from model equations. The rogue-wave trough asymmetry is demonstrated for sea states 4 to 6 on Douglas Sea Scale. Considering the deepest trough leads to approximately 10% increase in the calculation of the mean rogue-wave height compared to previous results for rogue waves reported with symmetric troughs. This implies that estimates of rogue-wave trough-crest amplitudes based on model equations should be re-assessed upward for all realistic oceanic conditions.
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