Resuspension and transport of fine sediments by waves over a thin layer of viscoelastic mud with erosion
Journal of Computational and Applied Mathematics(2018)
摘要
A mathematical model for the one-dimensional mass transport describing the concentration evolution of suspended sediments over a viscoelastic mud layer in the presence of erosion is presented. Using a perturbation method, the problem is set in terms of the concentration of particles at the water–mud interface. Numerical results show considerable difference from the cases of rigid and non-erodible interfaces. A singular behaviour of the particles concentration is observed when the mud depth approaches a resonant value, associated with negative convection velocity.
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关键词
Water waves,Viscoelastic mud,Water–mud interface,Particles concentration
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