Normal-Mode–Vortex Interactions

Abstract : Standing surface waves that interact with a confined, vertical, vorticity field with zero net circulation are studied both analytically and experimentally. The surface waves are generated by vertical vibration, and constant vorticity injection is achieved by a rotating disk flush mounted in the cell. Experimental results are indicative of a local wave-vortex interaction (no dislocation), and a simple theoretical model is able to explain them in quantitative detail.
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R. Bernal, Christophe Coste, F. Lund, F. Melo. Normal-Mode–Vortex Interactions. Physical Review Letters, American Physical Society, 2002. ⟨hal-01406773⟩

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