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Volume 9, Issue 5
Multiphysic Two-Phase Flow Lattice Boltzmann: Droplets with Realistic Representation of the Interface

Pablo M. Dupuy, María Fernandino, Hugo A. Jakobsen & Hallvard F. Svendsen

DOI: 10.4208/cicp.031109.100111s

Commun. Comput. Phys., 9 (2011), pp. 1414-1430.

Published online: 2011-05

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  • Abstract

Free energy lattice Boltzmann methods are well suited for the simulation of two phase flow problems. The model for the interface is based on well understood physical grounds. In most cases a numerical interface is used instead of the physical one because of lattice resolution limitations. In this paper we present a framework where we can both follow the droplet behavior in a coarse scale and solve the interface in a fine scale simultaneously. We apply the method for the simulation of a droplet using an interface to diameter size ratio of 1 to 280. In a second simulation, a small droplet coalesces with a 42 times larger droplet producing on it only a small capillary wave that propagates and dissipates.

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@Article{CiCP-9-1414, author = {Pablo M. Dupuy, María Fernandino, Hugo A. Jakobsen and Hallvard F. Svendsen}, title = {Multiphysic Two-Phase Flow Lattice Boltzmann: Droplets with Realistic Representation of the Interface}, journal = {Communications in Computational Physics}, year = {2011}, volume = {9}, number = {5}, pages = {1414--1430}, abstract = {

Free energy lattice Boltzmann methods are well suited for the simulation of two phase flow problems. The model for the interface is based on well understood physical grounds. In most cases a numerical interface is used instead of the physical one because of lattice resolution limitations. In this paper we present a framework where we can both follow the droplet behavior in a coarse scale and solve the interface in a fine scale simultaneously. We apply the method for the simulation of a droplet using an interface to diameter size ratio of 1 to 280. In a second simulation, a small droplet coalesces with a 42 times larger droplet producing on it only a small capillary wave that propagates and dissipates.

}, issn = {1991-7120}, doi = {https://doi.org/10.4208/cicp.031109.100111s}, url = {http://global-sci.org/intro/article_detail/cicp/7560.html} }
TY - JOUR T1 - Multiphysic Two-Phase Flow Lattice Boltzmann: Droplets with Realistic Representation of the Interface AU - Pablo M. Dupuy, María Fernandino, Hugo A. Jakobsen & Hallvard F. Svendsen JO - Communications in Computational Physics VL - 5 SP - 1414 EP - 1430 PY - 2011 DA - 2011/05 SN - 9 DO - http://doi.org/10.4208/cicp.031109.100111s UR - https://global-sci.org/intro/article_detail/cicp/7560.html KW - AB -

Free energy lattice Boltzmann methods are well suited for the simulation of two phase flow problems. The model for the interface is based on well understood physical grounds. In most cases a numerical interface is used instead of the physical one because of lattice resolution limitations. In this paper we present a framework where we can both follow the droplet behavior in a coarse scale and solve the interface in a fine scale simultaneously. We apply the method for the simulation of a droplet using an interface to diameter size ratio of 1 to 280. In a second simulation, a small droplet coalesces with a 42 times larger droplet producing on it only a small capillary wave that propagates and dissipates.

Pablo M. Dupuy, María Fernandino, Hugo A. Jakobsen and Hallvard F. Svendsen. (2011). Multiphysic Two-Phase Flow Lattice Boltzmann: Droplets with Realistic Representation of the Interface. Communications in Computational Physics. 9 (5). 1414-1430. doi:10.4208/cicp.031109.100111s
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