1ptracer/problem_tracer.hh

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#ifndef DUMUX_TRACER_TEST_PROBLEM_HH
#define DUMUX_TRACER_TEST_PROBLEM_HH
 
#include <dune/grid/yaspgrid.hh>
 
#include <dumux/discretization/cctpfa.hh>
#include <dumux/porousmediumflow/tracer/model.hh>
#include <dumux/porousmediumflow/problem.hh>
#include <dumux/material/fluidsystems/base.hh>
 
#include "spatialparams_tracer.hh"
 
namespace Dumux {
template <class TypeTag>
class TracerTestProblem;
 
namespace Properties {
// Create new type tags
namespace TTag {
struct TracerTest { using InheritsFrom = std::tuple<Tracer>; };
struct TracerTestCC { using InheritsFrom = std::tuple<TracerTest, CCTpfaModel>; };
} // end namespace TTag
 
// enable caching
template<class TypeTag>
struct EnableGridVolumeVariablesCache<TypeTag, TTag::TracerTest> { static constexpr bool value = true; };
template<class TypeTag>
struct EnableGridFluxVariablesCache<TypeTag, TTag::TracerTest> { static constexpr bool value = true; };
template<class TypeTag>
struct EnableGridGeometryCache<TypeTag, TTag::TracerTest> { static constexpr bool value = true; };
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::TracerTest> { using type = Dune::YaspGrid<2>; };
 
// Set the problem property
template<class TypeTag>
struct Problem<TypeTag, TTag::TracerTest> { using type = TracerTestProblem<TypeTag>; };
 
// Set the spatial parameters
template<class TypeTag>
struct SpatialParams<TypeTag, TTag::TracerTest>
{
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using type = TracerTestSpatialParams<GridGeometry, Scalar>;
};
 
// Define whether mole(true) or mass (false) fractions are used
template<class TypeTag>
struct UseMoles<TypeTag, TTag::TracerTest> { static constexpr bool value = false; };
template<class TypeTag>
struct SolutionDependentMolecularDiffusion<TypeTag, TTag::TracerTestCC> { static constexpr bool value = false; };

template<class TypeTag>
class TracerFluidSystem : public FluidSystems::Base<GetPropType<TypeTag, Properties::Scalar>,
                                                               TracerFluidSystem<TypeTag>>
{
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Problem = GetPropType<TypeTag, Properties::Problem>;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Element = typename GridView::template Codim<0>::Entity;
    using FVElementGeometry = typename GetPropType<TypeTag, Properties::GridGeometry>::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
 
public:
    static constexpr bool isTracerFluidSystem()
    { return true; }

    static constexpr int getMainComponent(int phaseIdx)
    { return -1; }

    static constexpr int numComponents = 1;

    static std::string componentName(int compIdx)
    { return "tracer_" + std::to_string(compIdx); }

    static std::string phaseName(int phaseIdx = 0)
    { return "Groundwater"; }

    static Scalar molarMass(unsigned int compIdx)
    { return 0.300; }

    static Scalar binaryDiffusionCoefficient(unsigned int compIdx,
                                             const Problem& problem,
                                             const Element& element,
                                             const SubControlVolume& scv)
    { return 0.0; }
};
 
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::TracerTest> { using type = TracerFluidSystem<TypeTag>; };
 
} // end namespace Properties
 

template <class TypeTag>
class TracerTestProblem : public PorousMediumFlowProblem<TypeTag>
{
    using ParentType = PorousMediumFlowProblem<TypeTag>;
 
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using SpatialParams = GetPropType<TypeTag, Properties::SpatialParams>;

    static constexpr bool useMoles = getPropValue<TypeTag, Properties::UseMoles>();
 
    using Element = typename GridGeometry::GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
public:
    TracerTestProblem(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry)
    {
        // stating in the console whether mole or mass fractions are used
        if(useMoles)
            std::cout<<"problem uses mole fractions" << '\n';
        else
            std::cout<<"problem uses mass fractions" << '\n';
    }

    // \{

    BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
    {
        BoundaryTypes values;
        values.setAllNeumann();
        return values;
    }
    // \}

    // \{

    PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const
    {
        PrimaryVariables initialValues(0.0);
        if (globalPos[1] < 0.1 + eps_)
        {
            if (useMoles)
                initialValues = 1e-9;
            else
                initialValues = 1e-9*FluidSystem::molarMass(0)/this->spatialParams().fluidMolarMass(globalPos);
        }
        return initialValues; }
 
    // \}
 
private:
    static constexpr Scalar eps_ = 1e-6;
};
 
} // end namespace Dumux
 
#endif