Intercomparison of 3D pore-scale flow and solute transport simulation methods

Xiaofan Yang, Yashar Mehmani, William A. Perkins, Andrea Pasquali, Martin Schönherr, Kyungjoo Kim, Mauro Perego, Michael L. Parks, Nathaniel Trask, Matthew Thomas Balhoff, Marshall C. Richmond, Martin Geier, Manfred Krafczyk, Li Shi Luo, Alexandre M. Tartakovsky, Timothy D. Scheibe

    Research output: Contribution to journalArticle

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    Abstract

    Multiple numerical approaches have been developed to simulate porous media fluid flow and solute transport at the pore scale. These include 1) methods that explicitly model the three-dimensional geometry of pore spaces and 2) methods that conceptualize the pore space as a topologically consistent set of stylized pore bodies and pore throats. In previous work we validated a model of the first type, using computational fluid dynamics (CFD) codes employing a standard finite volume method (FVM), against magnetic resonance velocimetry (MRV) measurements of pore-scale velocities. Here we expand that validation to include additional models of the first type based on the lattice Boltzmann method (LBM) and smoothed particle hydrodynamics (SPH), as well as a model of the second type, a pore-network model (PNM). The PNM approach used in the current study was recently improved and demonstrated to accurately simulate solute transport in a two-dimensional experiment. While the PNM approach is computationally much less demanding than direct numerical simulation methods, the effect of conceptualizing complex three-dimensional pore geometries on solute transport in the manner of PNMs has not been fully determined. We apply all four approaches (FVM-based CFD, LBM, SPH and PNM) to simulate pore-scale velocity distributions and (for capable codes) nonreactive solute transport, and intercompare the model results. Comparisons are drawn both in terms of macroscopic variables (e.g., permeability, solute breakthrough curves) and microscopic variables (e.g., local velocities and concentrations). Generally good agreement was achieved among the various approaches, but some differences were observed depending on the model context. The intercomparison work was challenging because of variable capabilities of the codes, and inspired some code enhancements to allow consistent comparison of flow and transport simulations across the full suite of methods. This study provides support for confidence in a variety of pore-scale modeling methods and motivates further development and application of pore-scale simulation methods.

    LanguageEnglish (US)
    Pages176-189
    Number of pages14
    JournalAdvances in Water Resources
    Volume95
    DOIs
    StatePublished - Sep 1 2016

    Fingerprint

    solute transport
    simulation
    finite volume method
    pore space
    computational fluid dynamics
    hydrodynamics
    method
    geometry
    breakthrough curve
    fluid flow
    porous medium
    solute
    permeability
    code

    Keywords

    • Computational fluid dynamics
    • Lattice Boltzmann method
    • Pore-network model
    • Pore-scale modeling
    • Porous media flow
    • Smoothed particle hydrodynamics

    ASJC Scopus subject areas

    • Water Science and Technology

    Cite this

    Yang, X., Mehmani, Y., Perkins, W. A., Pasquali, A., Schönherr, M., Kim, K., ... Scheibe, T. D. (2016). Intercomparison of 3D pore-scale flow and solute transport simulation methods. Advances in Water Resources, 95, 176-189. https://doi.org/10.1016/j.advwatres.2015.09.015

    Intercomparison of 3D pore-scale flow and solute transport simulation methods. / Yang, Xiaofan; Mehmani, Yashar; Perkins, William A.; Pasquali, Andrea; Schönherr, Martin; Kim, Kyungjoo; Perego, Mauro; Parks, Michael L.; Trask, Nathaniel; Balhoff, Matthew Thomas; Richmond, Marshall C.; Geier, Martin; Krafczyk, Manfred; Luo, Li Shi; Tartakovsky, Alexandre M.; Scheibe, Timothy D.

    In: Advances in Water Resources, Vol. 95, 01.09.2016, p. 176-189.

    Research output: Contribution to journalArticle

    Yang, X, Mehmani, Y, Perkins, WA, Pasquali, A, Schönherr, M, Kim, K, Perego, M, Parks, ML, Trask, N, Balhoff, MT, Richmond, MC, Geier, M, Krafczyk, M, Luo, LS, Tartakovsky, AM & Scheibe, TD 2016, 'Intercomparison of 3D pore-scale flow and solute transport simulation methods' Advances in Water Resources, vol. 95, pp. 176-189. https://doi.org/10.1016/j.advwatres.2015.09.015
    Yang, Xiaofan ; Mehmani, Yashar ; Perkins, William A. ; Pasquali, Andrea ; Schönherr, Martin ; Kim, Kyungjoo ; Perego, Mauro ; Parks, Michael L. ; Trask, Nathaniel ; Balhoff, Matthew Thomas ; Richmond, Marshall C. ; Geier, Martin ; Krafczyk, Manfred ; Luo, Li Shi ; Tartakovsky, Alexandre M. ; Scheibe, Timothy D. / Intercomparison of 3D pore-scale flow and solute transport simulation methods. In: Advances in Water Resources. 2016 ; Vol. 95. pp. 176-189.
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