flash/flashmodel.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_FLASH_MODEL_HH
#define EWOMS_FLASH_MODEL_HH
 
#include <opm/material/constraintsolvers/NcpFlash.hpp>
 
#include <opm/material/densead/Math.hpp>
 
#include <opm/material/fluidmatrixinteractions/MaterialTraits.hpp>
#include <opm/material/fluidmatrixinteractions/NullMaterial.hpp>
 
#include <opm/models/common/energymodule.hh>
#include <opm/models/common/multiphasebasemodel.hh>
 
#include <opm/models/flash/flashboundaryratevector.hh>
#include <opm/models/flash/flashextensivequantities.hh>
#include <opm/models/flash/flashindices.hh>
#include <opm/models/flash/flashintensivequantities.hh>
#include <opm/models/flash/flashlocalresidual.hh>
#include <opm/models/flash/flashparameters.hh>
#include <opm/models/flash/flashprimaryvariables.hh>
#include <opm/models/flash/flashproperties.hh>
#include <opm/models/flash/flashratevector.hh>
 
#include <opm/models/io/vtkcompositionmodule.hpp>
#include <opm/models/io/vtkdiffusionmodule.hpp>
#include <opm/models/io/vtkenergymodule.hpp>
 
#include <sstream>
#include <string>
 
namespace Opm {
template <class TypeTag>
class FlashModel;
}
 
namespace Opm::Properties {
 
namespace TTag {
struct FlashModel { using InheritsFrom = std::tuple<MultiPhaseBaseModel>; };
} // namespace TTag
 
template<class TypeTag>
struct LocalResidual<TypeTag, TTag::FlashModel> { using type = Opm::FlashLocalResidual<TypeTag>; };
 
template<class TypeTag>
struct FlashSolver<TypeTag, TTag::FlashModel>
{ using type = Opm::NcpFlash<GetPropType<TypeTag, Properties::Scalar>,
                             GetPropType<TypeTag, Properties::FluidSystem>>; };
 
template<class TypeTag>
struct Model<TypeTag, TTag::FlashModel> { using type = Opm::FlashModel<TypeTag>; };
 
template<class TypeTag>
struct PrimaryVariables<TypeTag, TTag::FlashModel> { using type = Opm::FlashPrimaryVariables<TypeTag>; };
 
template<class TypeTag>
struct RateVector<TypeTag, TTag::FlashModel> { using type = Opm::FlashRateVector<TypeTag>; };
 
template<class TypeTag>
struct BoundaryRateVector<TypeTag, TTag::FlashModel> { using type = Opm::FlashBoundaryRateVector<TypeTag>; };
 
template<class TypeTag>
struct IntensiveQuantities<TypeTag, TTag::FlashModel> { using type = Opm::FlashIntensiveQuantities<TypeTag>; };
 
template<class TypeTag>
struct ExtensiveQuantities<TypeTag, TTag::FlashModel> { using type = Opm::FlashExtensiveQuantities<TypeTag>; };
 
template<class TypeTag>
struct Indices<TypeTag, TTag::FlashModel> { using type = Opm::FlashIndices<TypeTag, /*PVIdx=*/0>; };
 
// disable molecular diffusion by default
template<class TypeTag>
struct EnableDiffusion<TypeTag, TTag::FlashModel> { static constexpr bool value = false; };
 
template<class TypeTag>
struct EnableEnergy<TypeTag, TTag::FlashModel> { static constexpr bool value = false; };
 
} // namespace Opm::Properties
 
namespace Opm {
 
template <class TypeTag>
class FlashModel
    : public MultiPhaseBaseModel<TypeTag>
{
    using ParentType = MultiPhaseBaseModel<TypeTag>;
 
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using Simulator = GetPropType<TypeTag, Properties::Simulator>;
 
    using Indices = GetPropType<TypeTag, Properties::Indices>;
 
    enum { numComponents = getPropValue<TypeTag, Properties::NumComponents>() };
    enum { enableDiffusion = getPropValue<TypeTag, Properties::EnableDiffusion>() };
    enum { enableEnergy = getPropValue<TypeTag, Properties::EnableEnergy>() };
 
 
    using EnergyModule = Opm::EnergyModule<TypeTag, enableEnergy>;
 
public:
    FlashModel(Simulator& simulator)
        : ParentType(simulator)
    {}
 
    static void registerParameters()
    {
        ParentType::registerParameters();
 
        // register runtime parameters of the VTK output modules
        Opm::VtkCompositionModule<TypeTag>::registerParameters();
 
        if (enableDiffusion)
            Opm::VtkDiffusionModule<TypeTag>::registerParameters();
 
        if (enableEnergy)
            Opm::VtkEnergyModule<TypeTag>::registerParameters();
 
        Parameters::Register<Parameters::FlashTolerance<Scalar>>
            ("The maximum tolerance for the flash solver to "
             "consider the solution converged");
 
        // The updates of intensive quantities tend to be _very_ expensive for this
        // model, so let's try to minimize the number of required ones
        Parameters::SetDefault<Parameters::EnableIntensiveQuantityCache>(true);
 
        // since thermodynamic hints are basically free if the cache for intensive quantities is
        // enabled, and this model usually shows quite a performance improvment if they are
        // enabled, let's enable them by default.
        Parameters::SetDefault<Parameters::EnableThermodynamicHints>(true);
    }
 
    static std::string name()
    { return "flash"; }
 
    std::string primaryVarName(unsigned pvIdx) const
    {
        const std::string& tmp = EnergyModule::primaryVarName(pvIdx);
        if (tmp != "")
            return tmp;
 
        std::ostringstream oss;
        if (Indices::cTot0Idx <= pvIdx && pvIdx < Indices::cTot0Idx
                                                  + numComponents)
            oss << "c_tot," << FluidSystem::componentName(/*compIdx=*/pvIdx
                                                          - Indices::cTot0Idx);
        else
            assert(false);
 
        return oss.str();
    }
 
    std::string eqName(unsigned eqIdx) const
    {
        const std::string& tmp = EnergyModule::eqName(eqIdx);
        if (tmp != "")
            return tmp;
 
        std::ostringstream oss;
        if (Indices::conti0EqIdx <= eqIdx && eqIdx < Indices::conti0EqIdx
                                                     + numComponents) {
            unsigned compIdx = eqIdx - Indices::conti0EqIdx;
            oss << "continuity^" << FluidSystem::componentName(compIdx);
        }
        else
            assert(false);
 
        return oss.str();
    }
 
    Scalar primaryVarWeight(unsigned globalDofIdx, unsigned pvIdx) const
    {
        Scalar tmp = EnergyModule::primaryVarWeight(*this, globalDofIdx, pvIdx);
        if (tmp > 0)
            return tmp;
 
        unsigned compIdx = pvIdx - Indices::cTot0Idx;
 
        // make all kg equal. also, divide the weight of all total
        // compositions by 100 to make the relative errors more
        // comparable to the ones of the other models (at 10% porosity
        // the medium is fully saturated with water at atmospheric
        // conditions if 100 kg/m^3 are present!)
        return FluidSystem::molarMass(compIdx) / 100.0;
    }
 
    Scalar eqWeight(unsigned globalDofIdx, unsigned eqIdx) const
    {
        Scalar tmp = EnergyModule::eqWeight(*this, globalDofIdx, eqIdx);
        if (tmp > 0)
            return tmp;
 
        unsigned compIdx = eqIdx - Indices::conti0EqIdx;
 
        // make all kg equal
        return FluidSystem::molarMass(compIdx);
    }
 
    void registerOutputModules_()
    {
        ParentType::registerOutputModules_();
 
        // add the VTK output modules which are meaningful for the model
        this->addOutputModule(new Opm::VtkCompositionModule<TypeTag>(this->simulator_));
        if (enableDiffusion)
            this->addOutputModule(new Opm::VtkDiffusionModule<TypeTag>(this->simulator_));
        if (enableEnergy)
            this->addOutputModule(new Opm::VtkEnergyModule<TypeTag>(this->simulator_));
    }
};
 
} // namespace Opm
 
#endif