Spatiotemporal adaptive multiscale multiphysics simulations of two-phase flow

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Ressource 1Télécharger: BIB_EC5C8E52F24D.P001.pdf (1472.09 [Ko])
Etat: Public
Version: Final published version
ID Serval
serval:BIB_EC5C8E52F24D
Type
Actes de conférence (partie): contribution originale à la littérature scientifique, publiée à l'occasion de conférences scientifiques, dans un ouvrage de compte-rendu (proceedings), ou dans l'édition spéciale d'un journal reconnu (conference proceedings).
Collection
Publications
Institution
Titre
Spatiotemporal adaptive multiscale multiphysics simulations of two-phase flow
Titre de la conférence
ECMOR XIV - 14th European conference on the mathematics of oil recovery
Auteur⸱e⸱s
Tomin P., Lunati I.
Organisation
EAGE
Statut éditorial
Publié
Date de publication
2014
Langue
anglais
Notes
http://www.earthdoc.org/publication/publicationdetails/?publication=77436
Résumé
We present a spatiotemporal adaptive multiscale algorithm, which is based on the Multiscale Finite Volume method. The algorithm offers a very efficient framework to deal with multiphysics problems and to couple regions with different spatial resolution. We employ the method to simulate two-phase flow through porous media. At the fine scale, we consider a pore-scale description of the flow based on the Volume Of Fluid method. In order to construct a global problem that describes the coarse-scale behavior, the equations are averaged numerically with respect to auxiliary control volumes, and a Darcy-like coarse-scale model is obtained. The space adaptivity is based on the idea that a fine-scale description is only required in the front region, whereas the resolution can be coarsened elsewhere. Temporal adaptivity relies on the fact that the fine-scale and the coarse-scale problems can be solved with different temporal resolution (longer time steps can be used at the coarse scale). By simulating drainage under unstable flow conditions, we show that the method is able to capture the coarse-scale behavior outside the front region and to reproduce complex fluid patterns in the front region.
Site de l'éditeur
Open Access
Oui
Création de la notice
25/08/2014 15:23
Dernière modification de la notice
20/08/2019 16:14
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