test/porousmediumflow/2p2c/implicit/mpnccomparison/problem.hh

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#ifndef DUMUX_TWOPTWOC_MPNC_PROBLEM_HH
#define DUMUX_TWOPTWOC_MPNC_PROBLEM_HH
 
#include <dune/grid/yaspgrid.hh>
 
#include <dune/common/parametertreeparser.hh>
 
#include <dumux/discretization/box.hh>
#include <dumux/discretization/cctpfa.hh>
 
#include <dumux/porousmediumflow/2p2c/model.hh>
#include <dumux/porousmediumflow/problem.hh>
 
#include <dumux/material/fluidsystems/h2on2.hh>
#include <dumux/material/fluidstates/compositional.hh>
 
#include "spatialparams.hh"
#include "iofields.hh"
 
namespace Dumux {
 
template <class TypeTag>
class TwoPTwoCComparisonProblem;
 
namespace Properties {
// Create new type tags
namespace TTag {
struct TwoPTwoCComparison { using InheritsFrom = std::tuple<TwoPTwoC>; };
struct TwoPTwoCComparisonBox { using InheritsFrom = std::tuple<TwoPTwoCComparison, BoxModel>; };
struct TwoPTwoCComparisonCC { using InheritsFrom = std::tuple<TwoPTwoCComparison, CCTpfaModel>; };
} // end namespace TTag
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::TwoPTwoCComparison> { using type = Dune::YaspGrid<2>; };
 
// Set the problem property
template<class TypeTag>
struct Problem<TypeTag, TTag::TwoPTwoCComparison> { using type = TwoPTwoCComparisonProblem<TypeTag>; };
 
// Set fluid configuration
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::TwoPTwoCComparison>
{
    using type = FluidSystems::H2ON2<GetPropType<TypeTag, Properties::Scalar>,
                                     FluidSystems::H2ON2DefaultPolicy</*fastButSimplifiedRelations=*/true>>;
};
 
// Set the spatial parameters
template<class TypeTag>
struct SpatialParams<TypeTag, TTag::TwoPTwoCComparison>
{
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using type = TwoPTwoCComparisonSpatialParams<GridGeometry, Scalar>;
};
 
// decide which type to use for floating values (double / quad)
template<class TypeTag>
struct Scalar<TypeTag, TTag::TwoPTwoCComparison> { using type = double; };
template<class TypeTag>
struct Formulation<TypeTag, TTag::TwoPTwoCComparison>
{
public:
    static const TwoPFormulation value = TwoPFormulation::p1s0;
};
 
template<class TypeTag>
struct UseMoles<TypeTag, TTag::TwoPTwoCComparison> { static constexpr bool value = true; };
 
template<class TypeTag>
struct IOFields<TypeTag, TTag::TwoPTwoCComparison> { using type = TwoPTwoCMPNCIOFields; };
} // end namespace Properties
 
template <class TypeTag>
class TwoPTwoCComparisonProblem : public PorousMediumFlowProblem<TypeTag>
{
    using ParentType = PorousMediumFlowProblem<TypeTag>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using NeumannFluxes = GetPropType<TypeTag, Properties::NumEqVector>;
    using FVElementGeometry = typename GetPropType<TypeTag, Properties::GridGeometry>::LocalView;
    using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Element = typename GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
 
    using ModelTraits = GetPropType<TypeTag, Properties::ModelTraits>;
    using Indices = typename ModelTraits::Indices;
 
public:
    TwoPTwoCComparisonProblem(std::shared_ptr<const GridGeometry> gridGeometry)
        : ParentType(gridGeometry)
    {
        temperature_ = 273.15 + 25; // -> 25°C
 
        // initialize the tables of the fluid system
        Scalar Tmin = temperature_ - 1.0;
        Scalar Tmax = temperature_ + 1.0;
        int nT = 3;
 
        Scalar pmin = 1.0e5 * 0.75;
        Scalar pmax = 2.0e5 * 1.25;
        int np = 1000;
 
        FluidSystem::init(Tmin, Tmax, nT, pmin, pmax, np);
        name_ = getParam<std::string>("Problem.Name");
    }
 
    // \{
 
    const std::string name() const
    { return name_; }
 
    Scalar temperature() const
    { return temperature_; }
 
    BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
    {
        BoundaryTypes bcTypes;
        if (onOutlet_(globalPos))
            bcTypes.setAllDirichlet();
        else
            bcTypes.setAllNeumann();
        return bcTypes;
    }
 
    PrimaryVariables dirichletAtPos(const GlobalPosition &globalPos) const
    {
       return initial_(globalPos);
    }
 
    NeumannFluxes neumannAtPos(const GlobalPosition& globalPos) const
    {
        NeumannFluxes values(0.0);
        Scalar injectedAirMass = -1e-3;
        Scalar injectedAirMolarMass = injectedAirMass/FluidSystem::molarMass(FluidSystem::N2Idx);
        if (onInlet_(globalPos))
            values[Indices::conti0EqIdx + FluidSystem::N2Idx] = injectedAirMolarMass;
        return values;
    }
 
    // \}
 
    PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const
    {
        return initial_(globalPos);
    }
 
    // \}
 
private:
    // the internal method for the initial condition
    PrimaryVariables initial_(const GlobalPosition &globalPos) const
    {
        PrimaryVariables values(0.0);
        values[Indices::pressureIdx] = 1e5; // air pressure
        values[Indices::switchIdx] = 0.8; // water saturation
        values.setState(Indices::bothPhases);
 
        return values;
    }
 
    bool onInlet_(const GlobalPosition &globalPos) const
    {
        Scalar x = globalPos[0];
        Scalar y = globalPos[1];
        return x >= 60 - eps_ && y <= 10 + eps_;
    }
 
    bool onOutlet_(const GlobalPosition &globalPos) const
    {
        Scalar x = globalPos[0];
        Scalar y = globalPos[1];
        return x < eps_ && y <= 10 + eps_;
    }
 
    Scalar temperature_;
    static constexpr Scalar eps_ = 1e-6;
    std::string name_;
};
} // end namespace Dumux
 
#endif