Gravity-capillary internal wave simulation using a binary fluid lattice Boltzmann model

The simulation of internal waves using a lattice Boltzmann model is considered. Two different situations are considered: a sharp interface between two fluids of different densities; and a continuous density change over a finite depth. Both situations are examined for pure gravity waves and for gravi...

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Bibliographic Details
Published in:Applied mathematical modelling 2004-02, Vol.28 (2), p.183-195
Main Authors: Buick, J.M., Cosgrove, J.A., Greated, C.A.
Format: Article
Language:English
Subjects:
Capillary waves
Gravity waves
Internal waves
Lattice Boltzmann
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Summary:The simulation of internal waves using a lattice Boltzmann model is considered. Two different situations are considered: a sharp interface between two fluids of different densities; and a continuous density change over a finite depth. Both situations are examined for pure gravity waves and for gravity-capillary driven waves. When a sharp interface is applied the wave motion is that of interfacial waves. When a wide interface is applied interfacial waves are simulated when surface tension effects are significant. When the surface tension effects are small enough that they can be neglected, internal waves on a continuously varying density distribution are modelled.
ISSN:0307-904X
DOI:10.1016/S0307-904X(03)00134-3