test/porousmediumflow/2p/implicit/incompressible/problem.hh

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#ifndef DUMUX_INCOMPRESSIBLE_TWOP_TEST_PROBLEM_HH
#define DUMUX_INCOMPRESSIBLE_TWOP_TEST_PROBLEM_HH
 
#include <dune/grid/yaspgrid.hh>
 
#include <dumux/discretization/box.hh>
#include <dumux/discretization/cctpfa.hh>
#include <dumux/discretization/ccmpfa.hh>
 
#include <dumux/material/components/trichloroethene.hh>
#include <dumux/material/components/simpleh2o.hh>
#include <dumux/material/fluidsystems/1pliquid.hh>
#include <dumux/material/fluidsystems/2pimmiscible.hh>
 
#include <dumux/porousmediumflow/problem.hh>
#include <dumux/porousmediumflow/2p/model.hh>
#include <dumux/porousmediumflow/2p/incompressiblelocalresidual.hh>
 
#include "spatialparams.hh"
 
#ifndef ENABLEINTERFACESOLVER
#define ENABLEINTERFACESOLVER 0
#endif
 
namespace Dumux {
// forward declarations
template<class TypeTag> class TwoPTestProblem;
 
namespace Properties {
// Create new type tags
namespace TTag {
struct TwoPIncompressible { using InheritsFrom = std::tuple<TwoP>; };
struct TwoPIncompressibleTpfa { using InheritsFrom = std::tuple<TwoPIncompressible, CCTpfaModel>; };
struct TwoPIncompressibleMpfa { using InheritsFrom = std::tuple<TwoPIncompressible, CCMpfaModel>; };
struct TwoPIncompressibleBox { using InheritsFrom = std::tuple<TwoPIncompressible, BoxModel>; };
} // end namespace TTag
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::TwoPIncompressible> { using type = Dune::YaspGrid<2>; };
 
// Set the problem type
template<class TypeTag>
struct Problem<TypeTag, TTag::TwoPIncompressible> { using type = TwoPTestProblem<TypeTag>; };
 
// the local residual containing the analytic derivative methods
template<class TypeTag>
struct LocalResidual<TypeTag, TTag::TwoPIncompressible> { using type = TwoPIncompressibleLocalResidual<TypeTag>; };
 
// Set the fluid system
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::TwoPIncompressible>
{
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using WettingPhase = FluidSystems::OnePLiquid<Scalar, Components::SimpleH2O<Scalar> >;
    using NonwettingPhase = FluidSystems::OnePLiquid<Scalar, Components::Trichloroethene<Scalar> >;
    using type = FluidSystems::TwoPImmiscible<Scalar, WettingPhase, NonwettingPhase>;
};
 
// Set the spatial parameters
template<class TypeTag>
struct SpatialParams<TypeTag, TTag::TwoPIncompressible>
{
private:
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
public:
    using type = TwoPTestSpatialParams<GridGeometry, Scalar>;
};
 
// Enable caching
template<class TypeTag>
struct EnableGridVolumeVariablesCache<TypeTag, TTag::TwoPIncompressible> { static constexpr bool value = false; };
template<class TypeTag>
struct EnableGridFluxVariablesCache<TypeTag, TTag::TwoPIncompressible> { static constexpr bool value = false; };
template<class TypeTag>
struct EnableGridGeometryCache<TypeTag, TTag::TwoPIncompressible> { static constexpr bool value = false; };
 
// Maybe enable the box-interface solver
template<class TypeTag>
struct EnableBoxInterfaceSolver<TypeTag, TTag::TwoPIncompressible> { static constexpr bool value = ENABLEINTERFACESOLVER; };
} // end namespace Properties
 
template<class TypeTag>
class TwoPTestProblem : public PorousMediumFlowProblem<TypeTag>
{
    using ParentType = PorousMediumFlowProblem<TypeTag>;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Element = typename GridView::template Codim<0>::Entity;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
    using NumEqVector = GetPropType<TypeTag, Properties::NumEqVector>;
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    enum {
        pressureH2OIdx = Indices::pressureIdx,
        saturationDNAPLIdx = Indices::saturationIdx,
        contiDNAPLEqIdx = Indices::conti0EqIdx + FluidSystem::comp1Idx,
        waterPhaseIdx = FluidSystem::phase0Idx,
        dnaplPhaseIdx = FluidSystem::phase1Idx
    };
 
public:
    TwoPTestProblem(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry) {}
 
    BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
    {
        BoundaryTypes values;
        if (onLeftBoundary_(globalPos) || onRightBoundary_(globalPos))
            values.setAllDirichlet();
        else
            values.setAllNeumann();
        return values;
    }
 
    PrimaryVariables dirichletAtPos(const GlobalPosition &globalPos) const
    {
        PrimaryVariables values;
        GetPropType<TypeTag, Properties::FluidState> fluidState;
        fluidState.setTemperature(temperature());
        fluidState.setPressure(waterPhaseIdx, /*pressure=*/1e5);
        fluidState.setPressure(dnaplPhaseIdx, /*pressure=*/1e5);
 
        Scalar densityW = FluidSystem::density(fluidState, waterPhaseIdx);
 
        Scalar height = this->gridGeometry().bBoxMax()[1] - this->gridGeometry().bBoxMin()[1];
        Scalar depth = this->gridGeometry().bBoxMax()[1] - globalPos[1];
        Scalar alpha = 1 + 1.5/height;
        Scalar width = this->gridGeometry().bBoxMax()[0] - this->gridGeometry().bBoxMin()[0];
        Scalar factor = (width*alpha + (1.0 - alpha)*globalPos[0])/width;
 
        // hydrostatic pressure scaled by alpha
        values[pressureH2OIdx] = 1e5 - factor*densityW*this->spatialParams().gravity(globalPos)[1]*depth;
        values[saturationDNAPLIdx] = 0.0;
 
        return values;
    }
 
    NumEqVector neumannAtPos(const GlobalPosition &globalPos) const
    {
        NumEqVector values(0.0);
        if (onInlet_(globalPos))
            values[contiDNAPLEqIdx] = -0.04; // kg / (m * s)
 
        // in the test with the oil wet lens, use higher injection rate
        if (this->spatialParams().lensIsOilWet())
            values[contiDNAPLEqIdx] *= 10;
 
        return values;
    }
 
    PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const
    {
        PrimaryVariables values;
        GetPropType<TypeTag, Properties::FluidState> fluidState;
        fluidState.setTemperature(temperature());
        fluidState.setPressure(waterPhaseIdx, /*pressure=*/1e5);
        fluidState.setPressure(dnaplPhaseIdx, /*pressure=*/1e5);
 
        Scalar densityW = FluidSystem::density(fluidState, waterPhaseIdx);
 
        Scalar depth = this->gridGeometry().bBoxMax()[1] - globalPos[1];
 
        // hydrostatic pressure
        values[pressureH2OIdx] = 1e5 - densityW*this->spatialParams().gravity(globalPos)[1]*depth;
        values[saturationDNAPLIdx] = 0;
        return values;
    }
 
    Scalar temperature() const
    {
        return 293.15; // 10°C
    }
 
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_;
    }
 
    bool onInlet_(const GlobalPosition &globalPos) const
    {
        Scalar width = this->gridGeometry().bBoxMax()[0] - this->gridGeometry().bBoxMin()[0];
        Scalar lambda = (this->gridGeometry().bBoxMax()[0] - globalPos[0])/width;
        return onUpperBoundary_(globalPos) && 0.5 < lambda && lambda < 2.0/3.0;
    }
 
    static constexpr Scalar eps_ = 1e-6;
};
 
} // end namespace Dumux
 
#endif