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/content/aip/journal/pof2/26/9/10.1063/1.4896031
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/content/aip/journal/pof2/26/9/10.1063/1.4896031
2014-09-19
2016-10-01

Abstract

The present work is motivated by the work of Leblanc [“Amplification of nonlinear surface waves by wind,” Phys. Fluids19, 101705 (2007)] which showed that Stokes waves grow super exponentially under fair wind as a result of modulational instability. Here, we have studied the effect of wind in a situation of crossing sea states characterized by two obliquely propagating wave systems in deep water. It is found that the wind-forced uniform wave solution in crossing seas grows explosively with a super-exponential growth rate even under a steady horizontal wind flow. This is an important piece of information in the context of the formation of freak waves.

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