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Two-phase flow on porous media - Validation of 1D flow

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Old   January 2, 2014, 03:05
Exclamation Two-phase flow on porous media - Validation of 1D flow
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Jhabriel Varela
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Hello, I'm having some problems validating a numerical simulation (ImPES [Implicit Pressure Explicit Saturation]) with the Buckley-Leverett (analytical) model. As you know, the Buckley-Leverett model only needs a constant inlet flow of a phase, on the other hand the ImPES method only deals with pressures values. How should I treat the boundary conditions in the ImPES method in order to compare the both cases?. I tried setting a fixed total Darcy velocity, but, in order to conservate the mass, in theory, the total velocity through each faces should be the same, so I would have the same velocity on all the time levels, and the saturation front won't be able to propagate.

Thanks for any idea.
Jhabriel Varela
National University of Asuncion

Last edited by jhabriel; January 2, 2014 at 05:53.
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buckley leveret equation, impes algorithm, porous media

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