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596 lines
20 KiB
C++
596 lines
20 KiB
C++
/*
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Copyright (C) 2008-2013 by Andreas Lauser
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*!
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* \file
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*
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* \copydoc Ewoms::FractureProblem
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*/
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#ifndef EWOMS_FRACTURE_PROBLEM_HH
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#define EWOMS_FRACTURE_PROBLEM_HH
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#include <ewoms/parallel/mpihelper.hh>
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#include <dune/grid/alugrid.hh>
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#include <opm/material/fluidmatrixinteractions/RegularizedBrooksCorey.hpp>
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#include <opm/material/fluidmatrixinteractions/RegularizedVanGenuchten.hpp>
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#include <opm/material/fluidmatrixinteractions/LinearMaterial.hpp>
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#include <opm/material/fluidmatrixinteractions/EffToAbsLaw.hpp>
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#include <opm/material/fluidmatrixinteractions/MaterialTraits.hpp>
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#include <opm/material/heatconduction/Somerton.hpp>
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#include <opm/material/fluidsystems/TwoPhaseImmiscibleFluidSystem.hpp>
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#include <opm/material/components/SimpleH2O.hpp>
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#include <opm/material/components/Dnapl.hpp>
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#include <ewoms/io/artgridmanager.hh>
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#include <ewoms/models/discretefracture/discretefracturemodel.hh>
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#include <dune/common/version.hh>
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#include <dune/common/fmatrix.hh>
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#include <dune/common/fvector.hh>
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#include <iostream>
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#include <sstream>
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#include <string>
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namespace Ewoms {
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template <class TypeTag>
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class FractureProblem;
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}
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namespace Opm {
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namespace Properties {
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// Create a type tag for the problem
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NEW_TYPE_TAG(FractureProblem, INHERITS_FROM(DiscreteFractureModel));
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// Set the GridManager property
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SET_TYPE_PROP(FractureProblem, GridManager, Ewoms::ArtGridManager<TypeTag>);
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// Set the grid type
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SET_TYPE_PROP(
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FractureProblem, Grid,
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Dune::ALUGrid</*dim=*/2, /*dimWorld=*/2, Dune::simplex, Dune::nonconforming>);
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// Set the problem property
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SET_TYPE_PROP(FractureProblem, Problem, Ewoms::FractureProblem<TypeTag>);
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// Set the wetting phase
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SET_PROP(FractureProblem, WettingPhase)
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{
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private:
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typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
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public:
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typedef Opm::LiquidPhase<Scalar, Opm::SimpleH2O<Scalar> > type;
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};
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// Set the non-wetting phase
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SET_PROP(FractureProblem, NonwettingPhase)
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{
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private:
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typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
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public:
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typedef Opm::LiquidPhase<Scalar, Opm::DNAPL<Scalar> > type;
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};
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// Set the material Law
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SET_PROP(FractureProblem, MaterialLaw)
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{
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private:
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typedef typename GET_PROP_TYPE(TypeTag, FluidSystem) FluidSystem;
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enum { wettingPhaseIdx = FluidSystem::wettingPhaseIdx };
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enum { nonWettingPhaseIdx = FluidSystem::nonWettingPhaseIdx };
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typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
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typedef Opm::TwoPhaseMaterialTraits<Scalar,
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/*wettingPhaseIdx=*/FluidSystem::wettingPhaseIdx,
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/*nonWettingPhaseIdx=*/FluidSystem::nonWettingPhaseIdx>
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Traits;
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// define the material law which is parameterized by effective
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// saturations
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typedef Opm::RegularizedBrooksCorey<Traits> EffectiveLaw;
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// typedef RegularizedVanGenuchten<Traits> EffectiveLaw;
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// typedef LinearMaterial<Traits> EffectiveLaw;
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public:
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typedef Opm::EffToAbsLaw<EffectiveLaw> type;
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};
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// Enable the energy equation
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SET_BOOL_PROP(FractureProblem, EnableEnergy, true);
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// Set the heat conduction law
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SET_PROP(FractureProblem, HeatConductionLaw)
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{
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private:
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typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
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typedef typename GET_PROP_TYPE(TypeTag, FluidSystem) FluidSystem;
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public:
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// define the material law parameterized by absolute saturations
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typedef Opm::Somerton<FluidSystem, Scalar> type;
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};
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// Disable gravity
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SET_BOOL_PROP(FractureProblem, EnableGravity, false);
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// For this problem, we use constraints to specify the left boundary
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SET_BOOL_PROP(FractureProblem, EnableConstraints, true);
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// Set the default value for the file name of the grid
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SET_STRING_PROP(FractureProblem, GridFile, "data/fracture.art");
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// Set the default value for the end time
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SET_SCALAR_PROP(FractureProblem, EndTime, 3e3);
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// Set the default value for the initial time step size
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SET_SCALAR_PROP(FractureProblem, InitialTimeStepSize, 100);
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} // namespace Properties
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} // namespace Opm
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namespace Ewoms {
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/*!
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* \ingroup VcfvTestProblems
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*
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* \brief Two-phase problem which involves fractures
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*
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* The domain is initially completely saturated by the oil phase,
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* except for the left side, which is fully water saturated. Since the
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* capillary pressure in the fractures is lower than in the rock
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* matrix and the material is hydrophilic, water infiltrates through
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* the fractures and gradually pushes the oil out on the right side,
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* where the pressure is kept constant.
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*/
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template <class TypeTag>
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class FractureProblem : public GET_PROP_TYPE(TypeTag, BaseProblem)
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{
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typedef typename GET_PROP_TYPE(TypeTag, BaseProblem) ParentType;
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typedef typename GET_PROP_TYPE(TypeTag, GridView) GridView;
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typedef typename GET_PROP_TYPE(TypeTag, FluidSystem) FluidSystem;
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typedef typename GET_PROP_TYPE(TypeTag, WettingPhase) WettingPhase;
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typedef typename GET_PROP_TYPE(TypeTag, NonwettingPhase) NonwettingPhase;
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typedef typename GET_PROP_TYPE(TypeTag, Constraints) Constraints;
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typedef typename GET_PROP_TYPE(TypeTag, EqVector) EqVector;
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typedef typename GET_PROP_TYPE(TypeTag, PrimaryVariables) PrimaryVariables;
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typedef typename GET_PROP_TYPE(TypeTag, BoundaryRateVector) BoundaryRateVector;
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typedef typename GET_PROP_TYPE(TypeTag, RateVector) RateVector;
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typedef typename GET_PROP_TYPE(TypeTag, Simulator) Simulator;
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typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
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typedef typename GET_PROP_TYPE(TypeTag, MaterialLaw) MaterialLaw;
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typedef typename GET_PROP_TYPE(TypeTag, MaterialLawParams) MaterialLawParams;
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typedef typename GET_PROP_TYPE(TypeTag, HeatConductionLawParams) HeatConductionLawParams;
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typedef typename GET_PROP_TYPE(TypeTag, Model) Model;
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enum {
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// phase indices
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wettingPhaseIdx = MaterialLaw::wettingPhaseIdx,
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nonWettingPhaseIdx = MaterialLaw::nonWettingPhaseIdx,
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// number of phases
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numPhases = FluidSystem::numPhases,
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// Grid and world dimension
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dim = GridView::dimension,
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dimWorld = GridView::dimensionworld
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};
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typedef Opm::ImmiscibleFluidState<Scalar, FluidSystem> FluidState;
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typedef Dune::FieldVector<Scalar, dimWorld> GlobalPosition;
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typedef Dune::FieldMatrix<Scalar, dimWorld, dimWorld> DimMatrix;
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template <int dim>
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struct FaceLayout
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{
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bool contains(Dune::GeometryType gt)
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{ return gt.dim() == dim - 1; }
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};
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typedef Dune::MultipleCodimMultipleGeomTypeMapper<GridView, FaceLayout> FaceMapper;
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typedef Ewoms::FractureMapper<TypeTag> FractureMapper;
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public:
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/*!
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* \copydoc Doxygen::defaultProblemConstructor
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*/
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FractureProblem(Simulator &simulator)
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: ParentType(simulator)
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{
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eps_ = 3e-6;
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temperature_ = 273.15 + 20; // -> 20°C
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matrixMaterialParams_.setResidualSaturation(wettingPhaseIdx, 0.0);
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matrixMaterialParams_.setResidualSaturation(nonWettingPhaseIdx, 0.0);
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fractureMaterialParams_.setResidualSaturation(wettingPhaseIdx, 0.0);
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fractureMaterialParams_.setResidualSaturation(nonWettingPhaseIdx, 0.0);
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#if 0 // linear
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matrixMaterialParams_.setEntryPC(0.0);
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matrixMaterialParams_.setMaxPC(2000.0);
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fractureMaterialParams_.setEntryPC(0.0);
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fractureMaterialParams_.setMaxPC(1000.0);
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#endif
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#if 1 // Brooks-Corey
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matrixMaterialParams_.setEntryPressure(2000);
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matrixMaterialParams_.setLambda(2.0);
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matrixMaterialParams_.setThresholdSw(1e-1);
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fractureMaterialParams_.setEntryPressure(1000);
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fractureMaterialParams_.setLambda(2.0);
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fractureMaterialParams_.setThresholdSw(5e-2);
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#endif
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#if 0 // van Genuchten
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matrixMaterialParams_.setVgAlpha(0.0037);
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matrixMaterialParams_.setVgN(4.7);
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fractureMaterialParams_.setVgAlpha(0.0025);
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fractureMaterialParams_.setVgN(4.7);
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#endif
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matrixMaterialParams_.finalize();
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fractureMaterialParams_.finalize();
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matrixK_ = this->toDimMatrix_(1e-15); // m^2
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fractureK_ = this->toDimMatrix_(1e5 * 1e-15); // m^2
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matrixPorosity_ = 0.10;
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fracturePorosity_ = 0.25;
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fractureWidth_ = 1e-3; // [m]
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// parameters for the somerton law of heat conduction
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computeHeatCondParams_(heatCondParams_, matrixPorosity_);
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}
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/*!
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* \name Auxiliary methods
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*/
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//! \{
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/*!
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* \copydoc VcfvProblem::name
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*/
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std::string name() const
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{
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std::ostringstream oss;
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oss << "fracture_" << Model::name();
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return oss.str();
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}
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/*!
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* \brief Called directly after the time integration.
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*/
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void postTimeStep()
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{
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// Calculate storage terms
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EqVector storage;
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this->model().globalStorage(storage);
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// Process with rank 0 informs about the total masses of all
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// components inside the domain
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if (this->gridView().comm().rank() == 0) {
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std::cout << "Mass in domain: " << storage << std::endl << std::flush;
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}
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}
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/*!
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* \copydoc FvBaseMultiPhaseProblem::temperature
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*/
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template <class Context>
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Scalar temperature(const Context &context, int spaceIdx, int timeIdx) const
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{ return temperature_; }
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// \}
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/*!
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* \name Soil parameters
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*/
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//! \{
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/*!
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* \copydoc FvBaseMultiPhaseProblem::intrinsicPermeability
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*/
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template <class Context>
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const DimMatrix &intrinsicPermeability(const Context &context, int spaceIdx,
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int timeIdx) const
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{ return matrixK_; }
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/*!
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* \brief Intrinsic permeability of fractures.
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*
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* \copydoc Doxygen::contextParams
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*/
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template <class Context>
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const DimMatrix &fractureIntrinsicPermeability(const Context &context,
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int spaceIdx,
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int timeIdx) const
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{ return fractureK_; }
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/*!
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* \copydoc FvBaseMultiPhaseProblem::porosity
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*/
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template <class Context>
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Scalar porosity(const Context &context, int spaceIdx, int timeIdx) const
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{ return matrixPorosity_; }
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/*!
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* \brief The porosity inside the fractures.
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*
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* \copydoc Doxygen::contextParams
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*/
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template <class Context>
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Scalar fracturePorosity(const Context &context, int spaceIdx,
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int timeIdx) const
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{ return fracturePorosity_; }
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/*!
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* \copydoc FvBaseMultiPhaseProblem::materialLawParams
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*/
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template <class Context>
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const MaterialLawParams &materialLawParams(const Context &context,
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int spaceIdx, int timeIdx) const
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{ return matrixMaterialParams_; }
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/*!
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* \brief The parameters for the material law inside the fractures.
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*
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* \copydoc Doxygen::contextParams
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*/
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template <class Context>
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const MaterialLawParams &fractureMaterialLawParams(const Context &context,
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int spaceIdx,
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int timeIdx) const
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{ return fractureMaterialParams_; }
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/*!
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* \brief Returns the object representating the fracture topology.
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*/
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const FractureMapper &fractureMapper() const
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{ return this->simulator().gridManager().fractureMapper(); }
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/*!
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* \brief Returns the width of the fracture.
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*
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* \todo This method should get one face index instead of two
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* vertex indices. This probably requires a new context
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* class, though.
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*
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* \param context The execution context.
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* \param spaceIdx1 The local index of the edge's first edge.
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* \param spaceIdx2 The local index of the edge's second edge.
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* \param timeIdx The index used by the time discretization.
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*/
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template <class Context>
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Scalar fractureWidth(const Context &context, int spaceIdx1, int spaceIdx2,
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int timeIdx) const
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{ return fractureWidth_; }
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/*!
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* \copydoc FvBaseMultiPhaseProblem::heatConductionParams
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*/
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template <class Context>
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const HeatConductionLawParams &
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heatConductionParams(const Context &context, int spaceIdx, int timeIdx) const
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{ return heatCondParams_; }
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/*!
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* \copydoc FvBaseMultiPhaseProblem::heatCapacitySolid
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*
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* In this case, we assume the rock-matrix to be granite.
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*/
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template <class Context>
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Scalar heatCapacitySolid(const Context &context, int spaceIdx,
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int timeIdx) const
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{
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return 790 // specific heat capacity of granite [J / (kg K)]
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* 2700; // density of granite [kg/m^3]
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}
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// \}
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/*!
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* \name Boundary conditions
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*/
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// \{
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/*!
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* \copydoc VcfvProblem::boundary
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*/
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template <class Context>
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void boundary(BoundaryRateVector &values, const Context &context,
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int spaceIdx, int timeIdx) const
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{
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const GlobalPosition &pos = context.pos(spaceIdx, timeIdx);
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if (onRightBoundary_(pos)) {
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// on the right boundary, we impose a free-flow
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// (i.e. Dirichlet) condition
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FluidState fluidState;
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fluidState.setTemperature(temperature_);
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fluidState.setSaturation(wettingPhaseIdx, 0.0);
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fluidState.setSaturation(nonWettingPhaseIdx,
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1.0 - fluidState.saturation(wettingPhaseIdx));
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fluidState.setPressure(wettingPhaseIdx, 1e5);
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fluidState.setPressure(nonWettingPhaseIdx, fluidState.pressure(wettingPhaseIdx));
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// set a free flow (i.e. Dirichlet) boundary
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values.setFreeFlow(context, spaceIdx, timeIdx, fluidState);
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}
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else
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// for the upper, lower and left boundaries, use a no-flow
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// condition (i.e. a Neumann 0 condition)
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values.setNoFlow();
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}
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// \}
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/*!
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* \name Volume terms
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*/
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// \{
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/*!
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* \copydoc VcfvProblem::constraints
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*/
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template <class Context>
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void constraints(Constraints &constraints, const Context &context,
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int spaceIdx, int timeIdx) const
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{
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const GlobalPosition &pos = context.pos(spaceIdx, timeIdx);
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if (!onLeftBoundary_(pos))
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// only impose constraints adjacent to the left boundary
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return;
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int globalIdx = context.globalSpaceIndex(spaceIdx, timeIdx);
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if (!fractureMapper().isFractureVertex(globalIdx)) {
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// do not impose constraints if the finite volume does
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// not contain fractures.
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return;
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}
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// if the current finite volume is on the left boundary
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// and features a fracture, specify the fracture fluid
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// state.
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FluidState fractureFluidState;
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fractureFluidState.setTemperature(temperature_ + 10);
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fractureFluidState.setSaturation(wettingPhaseIdx, 1.0);
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fractureFluidState.setSaturation(nonWettingPhaseIdx,
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1.0 - fractureFluidState.saturation(
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wettingPhaseIdx));
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Scalar pCFracture[numPhases];
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MaterialLaw::capillaryPressures(pCFracture, fractureMaterialParams_,
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fractureFluidState);
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fractureFluidState.setPressure(wettingPhaseIdx, /*pressure=*/1.0e5);
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fractureFluidState.setPressure(nonWettingPhaseIdx,
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fractureFluidState.pressure(wettingPhaseIdx)
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+ (pCFracture[nonWettingPhaseIdx]
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- pCFracture[wettingPhaseIdx]));
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constraints.setAllConstraint();
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constraints.assignNaiveFromFracture(fractureFluidState,
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matrixMaterialParams_);
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}
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/*!
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* \copydoc VcfvProblem::initial
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*/
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template <class Context>
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void initial(PrimaryVariables &values, const Context &context, int spaceIdx,
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int timeIdx) const
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{
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FluidState fluidState;
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fluidState.setTemperature(temperature_);
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fluidState.setPressure(FluidSystem::wettingPhaseIdx, /*pressure=*/1e5);
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fluidState.setPressure(nonWettingPhaseIdx, fluidState.pressure(wettingPhaseIdx));
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fluidState.setSaturation(wettingPhaseIdx, 0.0);
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fluidState.setSaturation(nonWettingPhaseIdx,
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1.0 - fluidState.saturation(wettingPhaseIdx));
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values.assignNaive(fluidState);
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}
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/*!
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* \copydoc VcfvProblem::source
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*
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* For this problem, the source term of all components is 0
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* everywhere.
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*/
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template <class Context>
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void source(RateVector &rate, const Context &context, int spaceIdx,
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int timeIdx) const
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{ rate = Scalar(0.0); }
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// \}
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private:
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bool onLeftBoundary_(const GlobalPosition &pos) const
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{ return pos[0] < this->boundingBoxMin()[0] + eps_; }
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bool onRightBoundary_(const GlobalPosition &pos) const
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{ return pos[0] > this->boundingBoxMax()[0] - eps_; }
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bool onLowerBoundary_(const GlobalPosition &pos) const
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{ return pos[1] < this->boundingBoxMin()[1] + eps_; }
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bool onUpperBoundary_(const GlobalPosition &pos) const
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{ return pos[1] > this->boundingBoxMax()[1] - eps_; }
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void computeHeatCondParams_(HeatConductionLawParams ¶ms, Scalar poro)
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{
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Scalar lambdaGranite = 2.8; // [W / (K m)]
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// create a Fluid state which has all phases present
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Opm::ImmiscibleFluidState<Scalar, FluidSystem> fs;
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fs.setTemperature(293.15);
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for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
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fs.setPressure(phaseIdx, 1.0135e5);
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}
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typename FluidSystem::ParameterCache paramCache;
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paramCache.updateAll(fs);
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for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
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Scalar rho = FluidSystem::density(fs, paramCache, phaseIdx);
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fs.setDensity(phaseIdx, rho);
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}
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for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
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Scalar lambdaSaturated;
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if (FluidSystem::isLiquid(phaseIdx)) {
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Scalar lambdaFluid
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= FluidSystem::thermalConductivity(fs, paramCache, phaseIdx);
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lambdaSaturated = std::pow(lambdaGranite, (1 - poro))
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+ std::pow(lambdaFluid, poro);
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}
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else
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lambdaSaturated = std::pow(lambdaGranite, (1 - poro));
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params.setFullySaturatedLambda(phaseIdx, lambdaSaturated);
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}
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Scalar lambdaVac = std::pow(lambdaGranite, (1 - poro));
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params.setVacuumLambda(lambdaVac);
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}
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DimMatrix matrixK_;
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DimMatrix fractureK_;
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Scalar matrixPorosity_;
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Scalar fracturePorosity_;
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Scalar fractureWidth_;
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MaterialLawParams fractureMaterialParams_;
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MaterialLawParams matrixMaterialParams_;
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HeatConductionLawParams heatCondParams_;
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Scalar temperature_;
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Scalar eps_;
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};
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} // namespace Ewoms
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#endif // EWOMS_FRACTURE_PROBLEM_HH
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