Convective instability of the boundary layer under solitary waves

Abstract eng:
The stability of boundary layers under surface and internal solitary waves has been investigated. The parabolized stability equation method has been used in order to compute the neutral curves and amplification factors for this flow. A direct numerical simulation has been performed in order to validate the results by model equations. As a main result the instability is found to be of convective type opposed to what has been assumed in literature so far. A range of cases has been investigated for surface and internal solitary waves.

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