Phase-field model of Hele-Shaw flows in the high-viscosity constrast regime

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Title:	Phase-field model of Hele-Shaw flows in the high-viscosity constrast regime
Author:	Hernández-Machado, Aurora; Lacasta Palacio, Ana María; Mayoral, E.; Corvera Poiré, E.
Other authors:	Universitat Politècnica de Catalunya. Departament de Física Aplicada; Universitat Politècnica de Catalunya. NOLIN - Física No-Lineal i Sistemes Fora de l'Equilibri
Abstract:	A one-sided phase-field model is proposed to study the dynamics of unstable interfaces of Hele-Shaw flows in the high viscosity contrast regime. The corresponding macroscopic equations are obtained by means of an asymptotic expansion from the phase-field model. Numerical integrations of the phase-field model in a rectangular Hele-Shaw cell reproduce finger competition with the final evolution to a steady-state finger.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Física -Nonlinear systems -Fluid dynamics. -Nonlinear dynamics -Hele-Shaw flows -Phase-field -Sistemes no lineals -Dinàmica de fluids
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Document type:	Article
Published by:	American Physical Society
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