1p2c_1p2c/problem_darcy.hh

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#ifndef DUMUX_DARCY_SUBPROBLEM_HH
#define DUMUX_DARCY_SUBPROBLEM_HH
 
#include <dune/grid/yaspgrid.hh>
 
#include <dumux/discretization/cctpfa.hh>
 
#include <dumux/porousmediumflow/1pnc/model.hh>
#include <dumux/porousmediumflow/problem.hh>
 
#include "spatialparams.hh"
 
#include <dumux/material/fluidsystems/1padapter.hh>
#include <dumux/material/fluidsystems/h2oair.hh>
#include <dumux/material/fluidmatrixinteractions/diffusivityconstanttortuosity.hh>
 
namespace Dumux {
template <class TypeTag>
class DarcySubProblem;
 
namespace Properties {
// Create new type tags
namespace TTag {
struct DarcyOnePTwoC { using InheritsFrom = std::tuple<OnePNC, CCTpfaModel>; };
} // end namespace TTag
 
// Set the problem property
template<class TypeTag>
struct Problem<TypeTag, TTag::DarcyOnePTwoC> { using type = Dumux::DarcySubProblem<TypeTag>; };
 
// The fluid system
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::DarcyOnePTwoC>
{
  using H2OAir = FluidSystems::H2OAir<GetPropType<TypeTag, Properties::Scalar>>;
  static constexpr auto phaseIdx = H2OAir::liquidPhaseIdx; // simulate the water phase
  using type = FluidSystems::OnePAdapter<H2OAir, phaseIdx>;
};
 
// Use moles
template<class TypeTag>
struct UseMoles<TypeTag, TTag::DarcyOnePTwoC> { static constexpr bool value = true; };
 
// Do not replace one equation with a total mass balance
template<class TypeTag>
struct ReplaceCompEqIdx<TypeTag, TTag::DarcyOnePTwoC> { static constexpr int value = 3; };
 
template<class TypeTag>
struct EffectiveDiffusivityModel<TypeTag, TTag::DarcyOnePTwoC>
{ using type = DiffusivityConstantTortuosity<GetPropType<TypeTag, Properties::Scalar>>; };
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::DarcyOnePTwoC> { using type = Dune::YaspGrid<2>; };
 
// Set the spatial paramaters type
template<class TypeTag>
struct SpatialParams<TypeTag, TTag::DarcyOnePTwoC>
{
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using type = OnePSpatialParams<GridGeometry, Scalar>;
};
} // end namespace Dumux
 
template <class TypeTag>
class DarcySubProblem : public PorousMediumFlowProblem<TypeTag>
{
    using ParentType = PorousMediumFlowProblem<TypeTag>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using GridView = typename GridGeometry::GridView;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using NumEqVector = GetPropType<TypeTag, Properties::NumEqVector>;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using FVElementGeometry = typename GetPropType<TypeTag, Properties::GridGeometry>::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
    using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace;
    using Element = typename GridView::template Codim<0>::Entity;
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
 
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
    using CouplingManager = GetPropType<TypeTag, Properties::CouplingManager>;
    using TimeLoopPtr = std::shared_ptr<TimeLoop<Scalar>>;
 
public:
    DarcySubProblem(std::shared_ptr<const GridGeometry> gridGeometry,
                   std::shared_ptr<CouplingManager> couplingManager)
    : ParentType(gridGeometry, "Darcy"), eps_(1e-7), couplingManager_(couplingManager)
    {
        problemName_  =  getParam<std::string>("Vtk.OutputName") + "_" + getParamFromGroup<std::string>(this->paramGroup(), "Problem.Name");
 
        // determine whether to simulate a vertical or horizontal flow configuration
        verticalFlow_ = problemName_.find("vertical") != std::string::npos;
    }
 
    const std::string& name() const
    {
        return problemName_;
    }
 
    Scalar temperature() const
    { return 273.15 + 10; } // 10°C
    // \}
 
    // \{
 
    BoundaryTypes boundaryTypes(const Element& element, const SubControlVolumeFace& scvf) const
    {
        BoundaryTypes values;
        values.setAllNeumann();
 
        if (couplingManager().isCoupledEntity(CouplingManager::darcyIdx, scvf))
            values.setAllCouplingNeumann();
 
        if (verticalFlow_)
        {
            if (onLowerBoundary_(scvf.center()))
                values.setAllDirichlet();
        }
 
        return values;
    }
 
    PrimaryVariables dirichlet(const Element &element, const SubControlVolumeFace &scvf) const
    {
        PrimaryVariables values(0.0);
        values = initial(element);
 
        if (verticalFlow_)
        {
            // Check if this a pure diffusion problem.
            static const bool isDiffusionProblem = problemName_.find("diffusion") != std::string::npos;
 
            Scalar bottomMoleFraction = 0.0;
 
            if (isDiffusionProblem)
            {
                // For the diffusion problem, change the top mole fraction after some time
                // in order to revert the concentration gradient.
                if (time() >= 1e10)
                    bottomMoleFraction = 1e-3;
            }
 
            if(onLowerBoundary_(scvf.center()))
                values[Indices::conti0EqIdx + 1] = bottomMoleFraction;
        }
 
        return values;
    }
 
    template<class ElementVolumeVariables, class ElementFluxVarsCache>
    NumEqVector neumann(const Element& element,
                        const FVElementGeometry& fvGeometry,
                        const ElementVolumeVariables& elemVolVars,
                        const ElementFluxVarsCache& elemFluxVarsCache,
                        const SubControlVolumeFace& scvf) const
    {
        NumEqVector values(0.0);
 
        if (couplingManager().isCoupledEntity(CouplingManager::darcyIdx, scvf))
            values = couplingManager().couplingData().massCouplingCondition(element, fvGeometry, elemVolVars, scvf);
 
        return values;
    }
 
    // \}
 
    // \{
    template<class ElementVolumeVariables>
    NumEqVector source(const Element &element,
                       const FVElementGeometry& fvGeometry,
                       const ElementVolumeVariables& elemVolVars,
                       const SubControlVolume &scv) const
    { return NumEqVector(0.0); }
 
    // \}
 
    PrimaryVariables initial(const Element &element) const
    {
        PrimaryVariables values(0.0);
        values[Indices::pressureIdx] = 1e5;
 
        return values;
    }
 
    // \}
 
    const CouplingManager& couplingManager() const
    { return *couplingManager_; }
 
    void setTimeLoop(TimeLoopPtr timeLoop)
    { timeLoop_ = timeLoop; }
 
    Scalar time() const
    { return timeLoop_->time(); }
 
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_;
    std::string problemName_;
    bool verticalFlow_;
    std::shared_ptr<CouplingManager> couplingManager_;
    TimeLoopPtr timeLoop_;
};
} // end namespace Dumux
 
#endif //DUMUX_DARCY_SUBPROBLEM_HH