1p2c_1p2c/diffusionlawcomparison/problem_stokes.hh

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#ifndef DUMUX_STOKES_SUBPROBLEM_DIFFUSION_COMPARISON_HH
#define DUMUX_STOKES_SUBPROBLEM_DIFFUSION_COMPARISON_HH
 
#include <dune/grid/yaspgrid.hh>
 
#include <dumux/material/fluidsystems/1padapter.hh>
#include <dumux/material/fluidsystems/h2oair.hh>
#include <dumux/flux/maxwellstefanslaw.hh>
 
#include <dumux/freeflow/navierstokes/problem.hh>
#include <dumux/discretization/staggered/freeflow/properties.hh>
#include <dumux/freeflow/compositional/navierstokesncmodel.hh>
 
// for StokesDarcyCouplingOptions
#include <dumux/multidomain/boundary/stokesdarcy/couplingdata.hh>
 
#ifndef DIFFUSIONTYPE
#define DIFFUSIONTYPE FicksLaw<TypeTag>
#endif
 
namespace Dumux {
template <class TypeTag>
class StokesSubProblem;
 
namespace Properties {
// Create new type tags
namespace TTag {
struct StokesOnePTwoC { using InheritsFrom = std::tuple<NavierStokesNC, StaggeredFreeFlowModel>; };
} // end namespace TTag
 
// The fluid system
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::StokesOnePTwoC>
{
  using H2OAir = FluidSystems::H2OAir<GetPropType<TypeTag, Properties::Scalar>>;
  static constexpr auto phaseIdx = H2OAir::liquidPhaseIdx; // simulate the water phase
  using type = FluidSystems::OnePAdapter<H2OAir, phaseIdx>;
};
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::StokesOnePTwoC> { using type = Dune::YaspGrid<2, Dune::EquidistantOffsetCoordinates<GetPropType<TypeTag, Properties::Scalar>, 2> >; };
 
// Set the problem property
template<class TypeTag>
struct Problem<TypeTag, TTag::StokesOnePTwoC> { using type = Dumux::StokesSubProblem<TypeTag> ; };
 
template<class TypeTag>
struct EnableGridGeometryCache<TypeTag, TTag::StokesOnePTwoC> { static constexpr bool value = true; };
template<class TypeTag>
struct EnableGridFluxVariablesCache<TypeTag, TTag::StokesOnePTwoC> { static constexpr bool value = true; };
template<class TypeTag>
struct EnableGridVolumeVariablesCache<TypeTag, TTag::StokesOnePTwoC> { static constexpr bool value = true; };
 
// Use moles
template<class TypeTag>
struct UseMoles<TypeTag, TTag::StokesOnePTwoC> { static constexpr bool value = true; };
 
// Set the grid type
template<class TypeTag>
struct MolecularDiffusionType<TypeTag, TTag::StokesOnePTwoC> { using type = DIFFUSIONTYPE; };
 
// Do not replace one equation with a total mass balance
template<class TypeTag>
struct ReplaceCompEqIdx<TypeTag, TTag::StokesOnePTwoC> { static constexpr int value = 3; };
} // end namespace Properties
 
template <class TypeTag>
class StokesSubProblem : public NavierStokesProblem<TypeTag>
{
    using ParentType = NavierStokesProblem<TypeTag>;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using NumEqVector = GetPropType<TypeTag, Properties::NumEqVector>;
 
    using Element = typename GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
    using CouplingManager = GetPropType<TypeTag, Properties::CouplingManager>;
    using DiffusionCoefficientAveragingType = typename StokesDarcyCouplingOptions::DiffusionCoefficientAveragingType;
 
public:
    StokesSubProblem(std::shared_ptr<const GridGeometry> gridGeometry, std::shared_ptr<CouplingManager> couplingManager)
    : ParentType(gridGeometry, "Stokes"), eps_(1e-6), injectionState_(false), couplingManager_(couplingManager)
    {
        inletVelocity_ = getParamFromGroup<Scalar>(this->paramGroup(), "Problem.Velocity");
        pressure_ = getParamFromGroup<Scalar>(this->paramGroup(), "Problem.Pressure");
        inletMoleFraction_ = getParamFromGroup<Scalar>(this->paramGroup(), "Problem.InletMoleFraction");
    }
 
    // \{
 
    bool shouldWriteRestartFile() const
    { return false; }
 
    Scalar temperature() const
    { return 273.15 + 10; } // 10°C
 
    NumEqVector sourceAtPos(const GlobalPosition &globalPos) const
    { return NumEqVector(0.0); }
    // \}
 
    // \{
 
    BoundaryTypes boundaryTypes(const Element& element,
                                const SubControlVolumeFace& scvf) const
    {
        BoundaryTypes values;
 
        const auto& globalPos = scvf.dofPosition();
 
        if(onLeftBoundary_(globalPos))
        {
            values.setDirichlet(Indices::conti0EqIdx + 1);
            values.setDirichlet(Indices::velocityXIdx);
            values.setDirichlet(Indices::velocityYIdx);
        }
        else if(onRightBoundary_(globalPos))
        {
            values.setDirichlet(Indices::pressureIdx);
            values.setOutflow(Indices::conti0EqIdx + 1);
        }
        else
        {
            values.setDirichlet(Indices::velocityXIdx);
            values.setDirichlet(Indices::velocityYIdx);
            values.setNeumann(Indices::conti0EqIdx);
            values.setNeumann(Indices::conti0EqIdx + 1);
        }
 
        if(couplingManager().isCoupledEntity(CouplingManager::stokesIdx, scvf))
        {
            values.setCouplingNeumann(Indices::conti0EqIdx);
            values.setCouplingNeumann(Indices::conti0EqIdx + 1);
            values.setCouplingNeumann(Indices::momentumYBalanceIdx);
            values.setBJS(Indices::momentumXBalanceIdx);
        }
 
        return values;
    }
 
    PrimaryVariables dirichletAtPos(const GlobalPosition& globalPos) const
    {
        PrimaryVariables values(0.0);
        values = initialAtPos(globalPos);
 
        // start injecting after the velocity field had enough time to initialize
        if(globalPos[0] < this->gridGeometry().bBoxMin()[0] + eps_ && isInjectionPeriod())
            values[Indices::conti0EqIdx + 1] = inletMoleFraction_;
 
        return values;
    }
 
    template<class ElementVolumeVariables, class ElementFaceVariables>
    NumEqVector neumann(const Element& element,
                        const FVElementGeometry& fvGeometry,
                        const ElementVolumeVariables& elemVolVars,
                        const ElementFaceVariables& elemFaceVars,
                        const SubControlVolumeFace& scvf) const
    {
        NumEqVector values(0.0);
 
        if(couplingManager().isCoupledEntity(CouplingManager::stokesIdx, scvf))
        {
            values[Indices::momentumYBalanceIdx] = couplingManager().couplingData().momentumCouplingCondition(element, fvGeometry, elemVolVars, elemFaceVars, scvf);
 
            const auto tmp = couplingManager().couplingData().massCouplingCondition(element, fvGeometry, elemVolVars, elemFaceVars, scvf, DiffusionCoefficientAveragingType::harmonic);
            values[Indices::conti0EqIdx] = tmp[0];
            values[Indices::conti0EqIdx + 1] = tmp[1];
        }
        return values;
    }
 
    // \}
 
    const CouplingManager& couplingManager() const
    { return *couplingManager_; }
 
    // \{
 
    PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const
    {
        PrimaryVariables values(0.0);
        values[Indices::pressureIdx] = pressure_;
        values[Indices::velocityXIdx] = inletVelocity_ * (globalPos[1] - this->gridGeometry().bBoxMin()[1])
                                              * (this->gridGeometry().bBoxMax()[1] - globalPos[1])
                                              / (0.25 * (this->gridGeometry().bBoxMax()[1] - this->gridGeometry().bBoxMin()[1])
                                              * (this->gridGeometry().bBoxMax()[1] - this->gridGeometry().bBoxMin()[1]));
 
        return values;
    }
 
    Scalar permeability(const Element& element, const SubControlVolumeFace& scvf) const
    {
        return couplingManager().couplingData().darcyPermeability(element, scvf);
    }
 
    Scalar alphaBJ(const SubControlVolumeFace& scvf) const
    {
        return 1.0;
    }
 
    void setInjectionState(const bool yesNo)
    {
        injectionState_ = yesNo;
    }
 
    bool isInjectionPeriod() const
    {
        return injectionState_;
    }
 
    // \}
 
private:
    bool onLeftBoundary_(const GlobalPosition &globalPos) const
    { return globalPos[0] < this->gridGeometry().bBoxMin()[0] + eps_; }
 
    bool onRightBoundary_(const GlobalPosition &globalPos) const
    { return globalPos[0] > this->gridGeometry().bBoxMax()[0] - eps_; }
 
    bool onLowerBoundary_(const GlobalPosition &globalPos) const
    { return globalPos[1] < this->gridGeometry().bBoxMin()[1] + eps_; }
 
    bool onUpperBoundary_(const GlobalPosition &globalPos) const
    { return globalPos[1] > this->gridGeometry().bBoxMax()[1] - eps_; }
 
    Scalar eps_;
    Scalar inletVelocity_;
    Scalar pressure_;
    Scalar inletMoleFraction_;
    bool injectionState_;
 
    std::shared_ptr<CouplingManager> couplingManager_;
};
} // end namespace Dumux
 
#endif // DUMUX_STOKES_SUBPROBLEM_HH