Anomalous wave as a result of the collision of two wave groups on the sea surface
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The numerical simulation of the nonlinear dynamics of the sea surface has shown that the collision of two groups of relatively low waves with close but noncollinear wave vectors (two or three waves in each group with a steepness of about 0.2) can result in the appearance of an individual anomalous wave whose height is noticeably larger than that in the linear theory. Since such collisions quite often occur on the ocean surface, this scenario of the formation of rogue waves is apparently most typical under natural conditions.
KeywordsWave Packet JETP Letter Rogue Wave Wave Group Nonlinear Mechanism
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- 5.Special Issue, Eur. Phys. J.: Spec.Top. 185, 1 (2010).Google Scholar