obstacleproblem.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.
 
  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
 
  Consult the COPYING file in the top-level source directory of this
  module for the precise wording of the license and the list of
  copyright holders.
*/
#ifndef EWOMS_OBSTACLE_PROBLEM_HH
#define EWOMS_OBSTACLE_PROBLEM_HH
 
#include <dune/common/fmatrix.hh>
#include <dune/common/fvector.hh>
#include <dune/common/version.hh>
 
#include <dune/grid/yaspgrid.hh>
#include <dune/grid/io/file/dgfparser/dgfyasp.hh>
 
#include <opm/material/constraintsolvers/ComputeFromReferencePhase.hpp>
#include <opm/material/fluidmatrixinteractions/EffToAbsLaw.hpp>
#include <opm/material/fluidmatrixinteractions/LinearMaterial.hpp>
#include <opm/material/fluidmatrixinteractions/MaterialTraits.hpp>
#include <opm/material/fluidmatrixinteractions/RegularizedBrooksCorey.hpp>
#include <opm/material/fluidstates/CompositionalFluidState.hpp>
#include <opm/material/fluidsystems/H2ON2FluidSystem.hpp>
#include <opm/material/thermal/ConstantSolidHeatCapLaw.hpp>
#include <opm/material/thermal/SomertonThermalConductionLaw.hpp>
 
#include <opm/models/common/multiphasebaseparameters.hh>
 
#include <opm/models/ncp/ncpproperties.hh>
 
#include <iostream>
#include <sstream>
#include <string>
 
namespace Opm {
template <class TypeTag>
class ObstacleProblem;
}
 
namespace Opm::Properties {
 
namespace TTag {
struct ObstacleBaseProblem {};
}
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::ObstacleBaseProblem> { using type = Dune::YaspGrid<2>; };
 
// Set the problem property
template<class TypeTag>
struct Problem<TypeTag, TTag::ObstacleBaseProblem> { using type = Opm::ObstacleProblem<TypeTag>; };
 
// Set fluid configuration
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::ObstacleBaseProblem>
{ using type = Opm::H2ON2FluidSystem<GetPropType<TypeTag, Properties::Scalar>>; };
 
// Set the material Law
template<class TypeTag>
struct MaterialLaw<TypeTag, TTag::ObstacleBaseProblem>
{
private:
    // define the material law
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using MaterialTraits = Opm::TwoPhaseMaterialTraits<Scalar,
                                                       /*wettingPhaseIdx=*/FluidSystem::liquidPhaseIdx,
                                                       /*nonWettingPhaseIdx=*/FluidSystem::gasPhaseIdx>;
 
    using EffMaterialLaw = Opm::LinearMaterial<MaterialTraits>;
 
public:
    using type = Opm::EffToAbsLaw<EffMaterialLaw>;
};
 
// Set the thermal conduction law
template<class TypeTag>
struct ThermalConductionLaw<TypeTag, TTag::ObstacleBaseProblem>
{
private:
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
 
public:
    // define the material law parameterized by absolute saturations
    using type = Opm::SomertonThermalConductionLaw<FluidSystem, Scalar>;
};
 
// set the energy storage law for the solid phase
template<class TypeTag>
struct SolidEnergyLaw<TypeTag, TTag::ObstacleBaseProblem>
{ using type = Opm::ConstantSolidHeatCapLaw<GetPropType<TypeTag, Properties::Scalar>>; };
 
} // namespace Opm::Properties
 
namespace Opm {
template <class TypeTag>
class ObstacleProblem : public GetPropType<TypeTag, Properties::BaseProblem>
{
    using ParentType = GetPropType<TypeTag, Properties::BaseProblem>;
 
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using EqVector = GetPropType<TypeTag, Properties::EqVector>;
    using RateVector = GetPropType<TypeTag, Properties::RateVector>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using BoundaryRateVector = GetPropType<TypeTag, Properties::BoundaryRateVector>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using MaterialLaw = GetPropType<TypeTag, Properties::MaterialLaw>;
    using MaterialLawParams = GetPropType<TypeTag, Properties::MaterialLawParams>;
    using ThermalConductionLawParams = GetPropType<TypeTag, Properties::ThermalConductionLawParams>;
    using SolidEnergyLawParams = GetPropType<TypeTag, Properties::SolidEnergyLawParams>;
 
    enum {
        // Grid and world dimension
        dim = GridView::dimension,
        dimWorld = GridView::dimensionworld,
        numPhases = getPropValue<TypeTag, Properties::NumPhases>(),
        gasPhaseIdx = FluidSystem::gasPhaseIdx,
        liquidPhaseIdx = FluidSystem::liquidPhaseIdx,
        H2OIdx = FluidSystem::H2OIdx,
        N2Idx = FluidSystem::N2Idx
    };
 
    using GlobalPosition = Dune::FieldVector<typename GridView::ctype, dimWorld>;
    using PhaseVector = Dune::FieldVector<Scalar, numPhases>;
    using DimMatrix = Dune::FieldMatrix<Scalar, dimWorld, dimWorld>;
    using Simulator = GetPropType<TypeTag, Properties::Simulator>;
    using Model = GetPropType<TypeTag, Properties::Model>;
 
public:
    ObstacleProblem(Simulator& simulator)
        : ParentType(simulator)
    { }
 
    void finishInit()
    {
        ParentType::finishInit();
 
        eps_ = 1e-6;
        temperature_ = 273.15 + 25; // -> 25°C
 
        // initialize the tables of the fluid system
        Scalar Tmin = temperature_ - 1.0;
        Scalar Tmax = temperature_ + 1.0;
        unsigned nT = 3;
 
        Scalar pmin = 1.0e5 * 0.75;
        Scalar pmax = 2.0e5 * 1.25;
        unsigned np = 1000;
 
        FluidSystem::init(Tmin, Tmax, nT, pmin, pmax, np);
 
        // intrinsic permeabilities
        coarseK_ = this->toDimMatrix_(1e-12);
        fineK_ = this->toDimMatrix_(1e-15);
 
        // the porosity
        finePorosity_ = 0.3;
        coarsePorosity_ = 0.3;
 
        // residual saturations
        fineMaterialParams_.setResidualSaturation(liquidPhaseIdx, 0.0);
        fineMaterialParams_.setResidualSaturation(gasPhaseIdx, 0.0);
        coarseMaterialParams_.setResidualSaturation(liquidPhaseIdx, 0.0);
        coarseMaterialParams_.setResidualSaturation(gasPhaseIdx, 0.0);
 
        // parameters for the linear law, i.e. minimum and maximum
        // pressures
        fineMaterialParams_.setPcMinSat(liquidPhaseIdx, 0.0);
        fineMaterialParams_.setPcMaxSat(liquidPhaseIdx, 0.0);
        coarseMaterialParams_.setPcMinSat(liquidPhaseIdx, 0.0);
        coarseMaterialParams_.setPcMaxSat(liquidPhaseIdx, 0.0);
 
        /*
        // entry pressures for Brooks-Corey
        fineMaterialParams_.setEntryPressure(5e3);
        coarseMaterialParams_.setEntryPressure(1e3);
 
        // Brooks-Corey shape parameters
        fineMaterialParams_.setLambda(2);
        coarseMaterialParams_.setLambda(2);
        */
 
        fineMaterialParams_.finalize();
        coarseMaterialParams_.finalize();
 
        // parameters for the somerton law of thermal conduction
        computeThermalCondParams_(fineThermalCondParams_, finePorosity_);
        computeThermalCondParams_(coarseThermalCondParams_, coarsePorosity_);
 
        // assume constant volumetric heat capacity and granite
        solidEnergyLawParams_.setSolidHeatCapacity(790.0 // specific heat capacity of granite [J / (kg K)]
                                                   * 2700.0); // density of granite [kg/m^3]
        solidEnergyLawParams_.finalize();
 
        initFluidStates_();
    }
 
    static void registerParameters()
    {
        ParentType::registerParameters();
 
        Parameters::SetDefault<Parameters::GridFile>("./data/obstacle_24x16.dgf");
        Parameters::SetDefault<Parameters::EndTime<Scalar>>(1e4);
        Parameters::SetDefault<Parameters::InitialTimeStepSize<Scalar>>(250);
        Parameters::SetDefault<Parameters::EnableGravity>(true);
    }
 
    void endTimeStep()
    {
#ifndef NDEBUG
        this->model().checkConservativeness();
 
        // Calculate storage terms of the individual phases
        for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
            PrimaryVariables phaseStorage;
            this->model().globalPhaseStorage(phaseStorage, phaseIdx);
 
            if (this->gridView().comm().rank() == 0) {
                std::cout << "Storage in " << FluidSystem::phaseName(phaseIdx)
                          << "Phase: [" << phaseStorage << "]"
                          << "\n"  << std::flush;
            }
        }
 
        // Calculate total storage terms
        EqVector storage;
        this->model().globalStorage(storage);
 
        // Write mass balance information for rank 0
        if (this->gridView().comm().rank() == 0) {
            std::cout << "Storage total: [" << storage << "]"
                      << "\n"  << std::flush;
        }
#endif // NDEBUG
    }
 
 
    std::string name() const
    {
        std::ostringstream oss;
        oss << "obstacle"
            << "_" << Model::name();
        return oss.str();
    }
 
    template <class Context>
    Scalar temperature(const Context& /*context*/,
                       unsigned /*spaceIdx*/,
                       unsigned /*timeIdx*/) const
    { return temperature_; }
 
    template <class Context>
    const DimMatrix&
    intrinsicPermeability(const Context& context,
                          unsigned spaceIdx,
                          unsigned timeIdx) const
    {
        if (isFineMaterial_(context.pos(spaceIdx, timeIdx)))
            return fineK_;
        return coarseK_;
    }
 
    template <class Context>
    Scalar porosity(const Context& context,
                    unsigned spaceIdx,
                    unsigned timeIdx) const
    {
        const GlobalPosition& pos = context.pos(spaceIdx, timeIdx);
        if (isFineMaterial_(pos))
            return finePorosity_;
        else
            return coarsePorosity_;
    }
 
    template <class Context>
    const MaterialLawParams&
    materialLawParams(const Context& context,
                      unsigned spaceIdx,
                      unsigned timeIdx) const
    {
        const GlobalPosition& pos = context.pos(spaceIdx, timeIdx);
        if (isFineMaterial_(pos))
            return fineMaterialParams_;
        else
            return coarseMaterialParams_;
    }
 
    template <class Context>
    const SolidEnergyLawParams&
    solidEnergyLawParams(const Context& /*context*/,
                         unsigned /*spaceIdx*/,
                         unsigned /*timeIdx*/) const
    { return solidEnergyLawParams_; }
 
    template <class Context>
    const ThermalConductionLawParams &
    thermalConductionParams(const Context& context,
                         unsigned spaceIdx,
                         unsigned timeIdx) const
    {
        const GlobalPosition& pos = context.pos(spaceIdx, timeIdx);
        if (isFineMaterial_(pos))
            return fineThermalCondParams_;
        return coarseThermalCondParams_;
    }
 
 
 
    template <class Context>
    void boundary(BoundaryRateVector& values,
                  const Context& context,
                  unsigned spaceIdx,
                  unsigned timeIdx) const
    {
        const auto& pos = context.pos(spaceIdx, timeIdx);
 
        if (onInlet_(pos))
            values.setFreeFlow(context, spaceIdx, timeIdx, inletFluidState_);
        else if (onOutlet_(pos))
            values.setFreeFlow(context, spaceIdx, timeIdx, outletFluidState_);
        else
            values.setNoFlow();
    }
 
 
 
    template <class Context>
    void initial(PrimaryVariables& values,
                 const Context& context,
                 unsigned spaceIdx,
                 unsigned timeIdx) const
    {
        const auto& matParams = materialLawParams(context, spaceIdx, timeIdx);
        values.assignMassConservative(outletFluidState_, matParams);
    }
 
    template <class Context>
    void source(RateVector& rate,
                const Context& /*context*/,
                unsigned /*spaceIdx*/,
                unsigned /*timeIdx*/) const
    { rate = 0.0; }
 
 
private:
    bool isFineMaterial_(const GlobalPosition& pos) const
    { return 10 <= pos[0] && pos[0] <= 20 && 0 <= pos[1] && pos[1] <= 35; }
 
    bool onInlet_(const GlobalPosition& globalPos) const
    {
        Scalar x = globalPos[0];
        Scalar y = globalPos[1];
        return x >= 60 - eps_ && y <= 10;
    }
 
    bool onOutlet_(const GlobalPosition& globalPos) const
    {
        Scalar x = globalPos[0];
        Scalar y = globalPos[1];
        return x < eps_ && y <= 10;
    }
 
    void initFluidStates_()
    {
        initFluidState_(inletFluidState_, coarseMaterialParams_,
                        /*isInlet=*/true);
        initFluidState_(outletFluidState_, coarseMaterialParams_,
                        /*isInlet=*/false);
    }
 
    template <class FluidState>
    void initFluidState_(FluidState& fs, const MaterialLawParams& matParams, bool isInlet)
    {
        unsigned refPhaseIdx;
        unsigned otherPhaseIdx;
 
        // set the fluid temperatures
        fs.setTemperature(temperature_);
 
        if (isInlet) {
            // only liquid on inlet
            refPhaseIdx = liquidPhaseIdx;
            otherPhaseIdx = gasPhaseIdx;
 
            // set liquid saturation
            fs.setSaturation(liquidPhaseIdx, 1.0);
 
            // set pressure of the liquid phase
            fs.setPressure(liquidPhaseIdx, 2e5);
 
            // set the liquid composition to pure water
            fs.setMoleFraction(liquidPhaseIdx, N2Idx, 0.0);
            fs.setMoleFraction(liquidPhaseIdx, H2OIdx, 1.0);
        }
        else {
            // elsewhere, only gas
            refPhaseIdx = gasPhaseIdx;
            otherPhaseIdx = liquidPhaseIdx;
 
            // set gas saturation
            fs.setSaturation(gasPhaseIdx, 1.0);
 
            // set pressure of the gas phase
            fs.setPressure(gasPhaseIdx, 1e5);
 
            // set the gas composition to 99% nitrogen and 1% steam
            fs.setMoleFraction(gasPhaseIdx, N2Idx, 0.99);
            fs.setMoleFraction(gasPhaseIdx, H2OIdx, 0.01);
        }
 
        // set the other saturation
        fs.setSaturation(otherPhaseIdx, 1.0 - fs.saturation(refPhaseIdx));
 
        // calulate the capillary pressure
        PhaseVector pC;
        MaterialLaw::capillaryPressures(pC, matParams, fs);
        fs.setPressure(otherPhaseIdx, fs.pressure(refPhaseIdx)
                                      + (pC[otherPhaseIdx] - pC[refPhaseIdx]));
 
        // make the fluid state consistent with local thermodynamic
        // equilibrium
        using ComputeFromReferencePhase = Opm::ComputeFromReferencePhase<Scalar, FluidSystem>;
 
        typename FluidSystem::template ParameterCache<Scalar> paramCache;
        ComputeFromReferencePhase::solve(fs, paramCache, refPhaseIdx,
                                         /*setViscosity=*/true,
                                         /*setEnthalpy=*/false);
    }
 
    void computeThermalCondParams_(ThermalConductionLawParams& params, Scalar poro)
    {
        Scalar lambdaWater = 0.6;
        Scalar lambdaGranite = 2.8;
 
        Scalar lambdaWet = std::pow(lambdaGranite, (1 - poro))
                           * std::pow(lambdaWater, poro);
        Scalar lambdaDry = std::pow(lambdaGranite, (1 - poro));
 
        params.setFullySaturatedLambda(gasPhaseIdx, lambdaDry);
        params.setFullySaturatedLambda(liquidPhaseIdx, lambdaWet);
        params.setVacuumLambda(lambdaDry);
    }
 
    DimMatrix coarseK_;
    DimMatrix fineK_;
 
    Scalar coarsePorosity_;
    Scalar finePorosity_;
 
    MaterialLawParams fineMaterialParams_;
    MaterialLawParams coarseMaterialParams_;
 
    ThermalConductionLawParams fineThermalCondParams_;
    ThermalConductionLawParams coarseThermalCondParams_;
    SolidEnergyLawParams solidEnergyLawParams_;
 
    Opm::CompositionalFluidState<Scalar, FluidSystem> inletFluidState_;
    Opm::CompositionalFluidState<Scalar, FluidSystem> outletFluidState_;
 
    Scalar temperature_;
    Scalar eps_;
};
} // namespace Opm
 
#endif