PorePy: An Open-Source Simulation Tool for Flow and Transport in Deformable Fractured Rocks. Fractures are ubiquitous in the subsurface and strongly affect flow and deformation. The physical shape of the fractures, they are long and thin objects, puts strong limitations on how the effect of this dynamics can be incorporated into standard reservoir simulation tools. This paper reports the development of an open-source software framework, termed PorePy, which is aimed at simulation of flow and transport in three-dimensional fractured reservoirs, as well as deformation of the reservoir due to shearing along fracture and fault planes. Starting from a description of fractures as polygons embedded in a 3D domain, PorePy provides semi-automatic gridding to construct a discrete-fracture-matrix model, which forms the basis for subsequent simulations. PorePy allows for flow and transport in all lower-dimensional objects, including planes (2D) representing fractures, and lines (1D) and points (0D), representing fracture intersections. Interaction between processes in neighboring domains of different dimension is implemented as a sequence of couplings of objects one dimension apart. This readily allows for handling of complex fracture geometries compared to capabilities of existing software. In addition to flow and transport, PorePy provides models for rock mechanics, poro-elasticity and coupling with fracture deformation models. The software is fully open, and can serve as a framework for transparency and reproducibility of simulations. We describe the design principles of PorePy from a user perspective, with focus on possibilities within gridding, covered physical processes and available discretizations. The power of the framework is illustrated with two sets of simulations; involving respectively coupled flow and transport in a fractured porous medium, and low-pressure stimulation of a geothermal reservoir.

References in zbMATH (referenced in 17 articles , 2 standard articles )

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  1. Ahmed, Elyes; Fumagalli, Alessio; Budiša, Ana; Keilegavlen, Eirik; Nordbotten, Jan M.; Radu, Florin A.: Robust linear domain decomposition schemes for reduced nonlinear fracture flow models (2021)
  2. Blank, Laura; Meneses Rioseco, Ernesto; Caiazzo, Alfonso; Wilbrandt, Ulrich: Modeling, simulation, and optimization of geothermal energy production from hot sedimentary aquifers (2021)
  3. Boon, W. M.; Nordbotten, J. M.: Stable mixed finite elements for linear elasticity with thin inclusions (2021)
  4. Borio, Andrea; Fumagalli, Alessio; Scialò, Stefano: Comparison of the response to geometrical complexity of methods for unstationary simulations in discrete fracture networks with conforming, polygonal, and non-matching grids (2021)
  5. Budiša, Ana; Hu, Xiaozhe: Block preconditioners for mixed-dimensional discretization of flow in fractured porous media (2021)
  6. Keilegavlen, Eirik; Berge, Runar; Fumagalli, Alessio; Starnoni, Michele; Stefansson, Ivar; Varela, Jhabriel; Berre, Inga: PorePy: an open-source software for simulation of multiphysics processes in fractured porous media (2021)
  7. Koch, Timo; Gläser, Dennis; Weishaupt, Kilian; Ackermann, Sina; Beck, Martin; Becker, Beatrix; Burbulla, Samuel; Class, Holger; Coltman, Edward; Emmert, Simon; Fetzer, Thomas; Grüninger, Christoph; Heck, Katharina; Hommel, Johannes; Kurz, Theresa; Lipp, Melanie; Mohammadi, Farid; Scherrer, Samuel; Schneider, Martin; Seitz, Gabriele; Stadler, Leopold; Utz, Martin; Weinhardt, Felix; Flemisch, Bernd: DuMu(^\textx 3) -- an open-source simulator for solving flow and transport problems in porous media with a focus on model coupling (2021)
  8. Budiša, Ana; Boon, Wietse M.; Hu, Xiaozhe: Mixed-dimensional auxiliary space preconditioners (2020)
  9. Fumagalli, Alessio; Scotti, Anna: A multi-layer reduced model for flow in porous media with a fault and surrounding damage zones (2020)
  10. Stefansson, Ivar; Berre, Inga; Keilegavlen, Eirik: Finite volume discretisation of fracture deformation in thermo-poroelastic media (2020)
  11. Ahmed, Elyes; Fumagalli, Alessio; Budiša, Ana: A multiscale flux basis for mortar mixed discretizations of reduced Darcy-Forchheimer fracture models (2019)
  12. Berge, Runar Lie; Klemetsdal, Øystein Strengehagen; Lie, Knut-Andreas: Unstructured Voronoi grids conforming to lower dimensional objects (2019)
  13. Fumagalli, Alessio; Keilegavlen, Eirik; Scialò, Stefano: Conforming, non-conforming and non-matching discretization couplings in discrete fracture network simulations (2019)
  14. Nordbotten, J. M.; Boon, W. M.; Fumagalli, A.; Keilegavlen, E.: Unified approach to discretization of flow in fractured porous media (2019)
  15. Timo Koch, Dennis Gläser, Kilian Weishaupt, Sina Ackermann, Martin Beck, Beatrix Becker, Samuel Burbulla, Holger Class, Edward Coltman, Simon Emmert, Thomas Fetzer, Christoph Grüninger, Katharina Heck, Johannes Hommel, Theresa Kurz, Melanie Lipp, Farid Mohammadi, Samuel Scherrer, Martin Schneider, Gabriele Seitz, Leopold Stadler, Martin Utz, Felix Weinhardt, Bernd Flemisch: DuMuX 3 -- an open-source simulator for solving flow and transport problems in porous media with a focus on model coupling (2019) arXiv
  16. Fumagalli, Alessio: Dual virtual element method in presence of an inclusion (2018)
  17. E. Keilegavlen, A. Fumagalli, R. Berge, I. Stefansson, I. Berre: PorePy: An Open-Source Simulation Tool for Flow and Transport in Deformable Fractured Rocks (2017) arXiv