Article Dans Une Revue Computational Geosciences Année : 2022

TOUGH3-FLAC3D: a modeling approach for parallel computing of fluid flow and geomechanics

Résumé

Abstract The recent development of the TOUGH3 code allows for a faster and more reliable fluid flow simulator. At the same time, new versions of FLAC3D are released periodically, allowing for new features and faster execution. In this paper, we present the first implementation of the coupling between TOUGH3 and FLAC3Dv6/7, maintaining parallel computing capabilities for the coupled fluid flow and geomechanical codes. We compare the newly developed version with analytical solutions and with the previous approach, and provide some performance analysis on different meshes and varying the number of running processors. Finally, we present two case studies related to fault reactivation during CO 2 sequestration and nuclear waste disposal. The use of parallel computing allows for meshes with a larger number of elements, and hence more detailed understanding of thermo-hydro-mechanical processes occurring at depth.

Dates et versions

hal-03787266 , version 1 (24-09-2022)

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Antonio Rinaldi, Jonny Rutqvist, Keurfon Luu, Laura Blanco Martín, Mengsu Hu, et al.. TOUGH3-FLAC3D: a modeling approach for parallel computing of fluid flow and geomechanics. Computational Geosciences, 2022, ⟨10.1007/s10596-022-10176-0⟩. ⟨hal-03787266⟩
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