Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/18762
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dc.contributor.authorFolch Manzanares, Rogercat
dc.contributor.authorCasademunt i Viader, Jaumecat
dc.contributor.authorHernández Machado, Auroracat
dc.contributor.authorRamírez Piscina, Laureanocat
dc.date.accessioned2011-07-07T12:52:08Z-
dc.date.available2011-07-07T12:52:08Z-
dc.date.issued1999-
dc.identifier.issn1063-651X-
dc.identifier.urihttp://hdl.handle.net/2445/18762-
dc.description.abstractWe present a phase-field model for the dynamics of the interface between two inmiscible fluids with arbitrary viscosity contrast in a rectangular Hele-Shaw cell. With asymptotic matching techniques we check the model to yield the right Hele-Shaw equations in the sharp-interface limit, and compute the corrections to these equations to first order in the interface thickness. We also compute the effect of such corrections on the linear dispersion relation of the planar interface. We discuss in detail the conditions on the interface thickness to control the accuracy and convergence of the phase-field model to the limiting Hele-Shaw dynamics. In particular, the convergence appears to be slower for high viscosity contrasts.eng
dc.format.extent10 p.-
dc.format.mimetypeapplication/pdf-
dc.language.isoengeng
dc.publisherThe American Physical Societyeng
dc.relation.isformatofReproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.60.1724cat
dc.relation.ispartofPhysical Review E, 1999, vol. E60, p. 1734-1740-
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevE.60.1724-
dc.rights(c) The American Physical Society, 1999-
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)-
dc.subject.classificationFísica estadísticacat
dc.subject.classificationTermodinàmicacat
dc.subject.classificationSistemes dinàmics diferenciablescat
dc.subject.classificationDinàmica de fluidscat
dc.subject.otherStatistical physicseng
dc.subject.otherThermodynamicseng
dc.subject.otherDifferentiable dynamical systemseng
dc.subject.otherFluid dynamicseng
dc.titlePhase-field model for Hele-Shaw flows with arabitrary contrast II: numerical approacheng
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.identifier.idgrec145941-
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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