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Phase-field model of Hele-Shaw flows in the high-viscosity contrast regime
Hernández Machado, Aurora; Lacasta Palacio, Ana María; Mayoral, E.; Corvera Poiré, Eugenia
Universitat de Barcelona
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.
26-07-2011
Dinàmica de fluids
Viscositat
Fluid dynamics
Viscosity
(c) The American Physical Society, 2003
Artículo
The American Physical Society
         

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