Simulation of two-phase flow with sub-scale droplet and bubble effects

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dc.contributor.authorMihalef, Viorelen_US
dc.contributor.authorMetaxas, Dimitrisen_US
dc.contributor.authorSussman, Marken_US
dc.date.accessioned2015-02-23T10:15:08Z
dc.date.available2015-02-23T10:15:08Z
dc.date.issued2009en_US
dc.description.abstractWe present a new Eulerian-Lagrangian method for physics-based simulation of fluid flow, which includes automatic generation of sub-scale spray and bubbles. The Marker Level Set method is used to provide a simple geometric criterion for free marker generation. A filtering method, inspired from Weber number thresholding, further controls the free marker generation (in a physics-based manner). Two separate models are used, one for sub-scale droplets, the other for sub-scale bubbles. Droplets are evolved in a Newtonian manner, using a density-extension drag force field, while bubbles are evolved using a model based on Stokes Law. We show that our model for sub-scale droplet and bubble dynamics is simple to couple with a full (macro-scale) Navier-Stokes two-phase flow model and is quite powerful in its applications. Our animations include coarse grained multiphase features interacting with fine scale multiphase features.en_US
dc.description.number2en_US
dc.description.seriesinformationComputer Graphics Forumen_US
dc.description.volume28en_US
dc.identifier.doi10.1111/j.1467-8659.2009.01362.xen_US
dc.identifier.issn1467-8659en_US
dc.identifier.pages229-238en_US
dc.identifier.urihttps://doi.org/10.1111/j.1467-8659.2009.01362.xen_US
dc.publisherThe Eurographics Association and Blackwell Publishing Ltden_US
dc.titleSimulation of two-phase flow with sub-scale droplet and bubble effectsen_US
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