Gholami Korzani, Maziar

Kohl, Thomas

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KIT – The Research University in the Helmholtz AssociationInstitute of Applied GeosciencesDivision of Geothermal ResearchMOOSE TIGER and ProspectiveThe Multiphysics Object-Oriented Simulation Environment (MOOSE) isa finite-element solver developed by Idaho National LaboratoryFully-coupled, fully-implicit solverDimension independent physicsAutomatically parallel (largest runs >100,000 CPU cores!)Simplified modular developmentBuilt-in mesh adaptivityIntuitive parallel multiscale solvesContinuous and Discontinuous Galerkin FEThe THMC sImulator for GEoscience Research (TIGER) is a MOOSE-based application developed by Institute of Applied GeosciencesCapbale of modeling fractures and well paths as (lower dimensional)discrete featuresAble to simulate thermal and solute transports by consideringanisotropic flow in porous mediaHydro-Thermal (TH) simulator part is ready to use and intensivelyvalidated; three examples are illustrated hereNavier-Stokes for flow modeling in wellbores is examined now and willbe added in near futureCoupling of mechanics and reactive chemistry is under progress2D representation of a fractured reservoirSide-by-side comparison of pressure contours(Mpa) for the both fracture orientationsComparison of pressure along the line whichconnects centers of fractures in the bothorientationsA doublet system with two wellbores separated by adistance of 200 m and located directly within fracturesWater circulated at a rate of 3 L/s and the injectiontemperature of 70oC for 30 yearsTwo fractures orientations:Two interconnected alongside fractures (dashed lines)Two parallel fractures (continuous lines)Side-by-side comparison of temperaturecontours (C) for the both fracture orientationsComparison of temperature along the linewhich connects centers of fractures in theboth orientationsNatural Convection 3D EGS reservoirA 3D reservoir comprising oftwo discrete crossed fractures(a vertical and a tilted) and adoublet wellbores (a non-vertical production well) issimulatedThe reservoir dimensions is2x1.5x1 km at the depth of 1.8km with the ambienttemperature of 200oCWater circulated at a rate of 50L/s and the injectiontemperature of 70oC for 30years.The temperature and pressurevariations by time at theproduction well are illustratedThe temperature distribution isshown in the middle figureFluid density can vary with thecontaminant concentrationsproducing buoyancy flowGeometry and initial conditionsare explained as the above figureand the green area is simulateddue to the symetry of the problemSnapshots of concentrations andits contours during the 20-yearsimulation period are provided(0=dark blue and 1=dark red)The concentration snapshot atyear 10 shows mesh adaptivitycapability to better capture theconcentarion propagation frontMOOSE/TIGER: New High Performance Simulator for Nonlinear Coupled THMC ProcessesM. Gholami Korzani, S. Held, T. KohlComparison of velocitymagnitude along theline which connectscenters of fractures inthe both orientationsYear 1Year 10Year 20p=gD at t=0c=0 at t=0c=csaltc=0600 m150 m150 mno flux all othersp=p0 p=p0150 m

MOOSE/TIGER: New High-Performance Simulator for Nonlinear Coupled THMC Processes

https://publikationen.bibliothek.kit.edu/1000100659/50813693

MOOSE/TIGER: New High-Performance Simulator for Nonlinear Coupled THMC Processes

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