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Article Dans Une Revue Journal of Mathematical Study Année : 2019

Numerical Modeling and Simulation of Fully Coupled Processes of Reactive Multiphase Flow in Porous Media

Résumé

In this paper, we consider a finite volume approach for modelling multiphase flow coupled to geochemistry in porous media. Reactive multiphase flows are modelled by a highly nonlinear system of degenerate partial differential equations coupled with algebraic and ordinary differential equations. We propose a fully implicit scheme using a direct substitution approach (DSA) implemented in the framework of the parallel open-source platform DuMu X. We focus on the particular case where porosity changes due to mineral dissolution/precipitation are taken into account. This alteration of the porosity can have significant effects on the permeability and the tortuosity. The accuracy and effectiveness of the implementation of permeability/porosity and tortuosity/porosity relationships related to mineral dissolution/precipitation for single-phase and two-phase flows are demonstrated through numerical simulations.
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Dates et versions

hal-02387032 , version 1 (10-12-2020)

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Etienne Ahusborde, Brahim Amaziane, Mustapha El Ossmani, M Id Moulay. Numerical Modeling and Simulation of Fully Coupled Processes of Reactive Multiphase Flow in Porous Media. Journal of Mathematical Study, 2019, 52 (4), pp.359-377. ⟨10.4208/jms.v52n4.19.01⟩. ⟨hal-02387032⟩
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