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Three-dimensional lattice Boltzmann method benchmarks between color-gradient and pseudo-potential immiscible multi-component models

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Published in International Journal of Modern Physics. C. 2017, vol. 28, no. 07, p. 1750085[30p.]
Abstract In this paper, a lattice Boltzmann color-gradient method is compared with a multi-component pseudo-potential lattice Boltzmann model for two test problems: a droplet deformation in a shear flow and a rising bubble subject to buoyancy forces. With the help of these two problems, the behavior of the two models is compared in situations of competing viscous, capillary and gravity forces. It is found that both models are able to generate relevant scientific results. However, while the color-gradient model is more complex than the pseudo-potential approach, numerical experiments show that it is also more powerful and suffers fewer limitations.
Keywords Lattice Boltzmann methodMulti-phase flowBenchmarksDroplet deformationRising bubble
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Research group Scientific and Parallel Computing
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LECLAIRE, Sébastien et al. Three-dimensional lattice Boltzmann method benchmarks between color-gradient and pseudo-potential immiscible multi-component models. In: International Journal of Modern Physics. C, 2017, vol. 28, n° 07, p. 1750085[30p.]. https://archive-ouverte.unige.ch/unige:97524

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Deposited on : 2017-10-10

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