Capillary-gravity waves: The effect of viscosity on the wave resistance
classification
❄️ cond-mat.soft
keywords
resistancewavecapillary-gravityeffectperturbationtheoryvelocityviscosity
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The effect of viscosity on the wave resistance experienced by a 2d perturbation moving at uniform velocity over the free surface of a fluid is investigated. The analysis is based on Rayleigh's linearized theory of capillary-gravity waves. It is shown in particular that the wave resistance remains bounded as the velocity of the perturbation approches the minimun phase speed, unlike what is predicted by the inviscid theory.
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