1p_richards/problem_soil.hh

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#ifndef DUMUX_TISSUE_PROBLEM_HH
#define DUMUX_TISSUE_PROBLEM_HH
 
#include <dune/grid/yaspgrid.hh>
#include <dune/geometry/quadraturerules.hh>
#include <dune/geometry/referenceelements.hh>
#include <dune/localfunctions/lagrange/pqkfactory.hh>
 
#include <dumux/common/math.hh>
#include <dumux/common/parameters.hh>
#include <dumux/common/properties.hh>
#include <dumux/discretization/cctpfa.hh>
#include <dumux/discretization/box.hh>
 
#include <dumux/porousmediumflow/richards/model.hh>
#include <dumux/porousmediumflow/problem.hh>
 
#include "spatialparams_soil.hh"
 
namespace Dumux {
 
template <class TypeTag>
class SoilProblem;
 
namespace Properties {
 
// Create new type tags
namespace TTag {
struct Soil { using InheritsFrom = std::tuple<Richards>; };
struct SoilCC { using InheritsFrom = std::tuple<Soil, CCTpfaModel>; };
struct SoilBox { using InheritsFrom = std::tuple<Soil, BoxModel>; };
} // end namespace TTag
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::Soil> { using type = Dune::YaspGrid<3, Dune::EquidistantOffsetCoordinates<GetPropType<TypeTag, Properties::Scalar>, 3> >; };
 
template<class TypeTag>
struct EnableGridGeometryCache<TypeTag, TTag::Soil> { static constexpr bool value = true; };
template<class TypeTag>
struct EnableGridVolumeVariablesCache<TypeTag, TTag::Soil> { static constexpr bool value = true; };
template<class TypeTag>
struct EnableGridFluxVariablesCache<TypeTag, TTag::Soil> { static constexpr bool value = true; };
template<class TypeTag>
struct SolutionDependentAdvection<TypeTag, TTag::Soil> { static constexpr bool value = false; };
template<class TypeTag>
struct SolutionDependentMolecularDiffusion<TypeTag, TTag::Soil> { static constexpr bool value = false; };
template<class TypeTag>
struct SolutionDependentHeatConduction<TypeTag, TTag::Soil> { static constexpr bool value = false; };
 
// Set the problem property
template<class TypeTag>
struct Problem<TypeTag, TTag::Soil> { using type = SoilProblem<TypeTag>; };
 
// Set the spatial parameters
template<class TypeTag>
struct SpatialParams<TypeTag, TTag::Soil>
{
    using type = SoilSpatialParams<GetPropType<TypeTag, Properties::GridGeometry>,
                                   GetPropType<TypeTag, Properties::Scalar>>;
};
} // end namespace Properties
 
 
template <class TypeTag>
class SoilProblem : public PorousMediumFlowProblem<TypeTag>
{
    using ParentType = PorousMediumFlowProblem<TypeTag>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using GridView = typename GridGeometry::GridView;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename GridGeometry::SubControlVolume;
    using GlobalPosition = typename GridGeometry::GlobalCoordinate;
    using Element = typename GridView::template Codim<0>::Entity;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using SolutionVector = GetPropType<TypeTag, Properties::SolutionVector>;
    using GridVariables = GetPropType<TypeTag, Properties::GridVariables>;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using PointSource = GetPropType<TypeTag, Properties::PointSource>;
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    using CouplingManager = GetPropType<TypeTag, Properties::CouplingManager>;
 
public:
    SoilProblem(std::shared_ptr<const GridGeometry> gridGeometry,
                std::shared_ptr<CouplingManager> couplingManager)
    : ParentType(gridGeometry, "Soil")
    , couplingManager_(couplingManager)
    {
        // read parameters from input file
        name_ = getParam<std::string>("Vtk.OutputName") + "_" + getParamFromGroup<std::string>(this->paramGroup(), "Problem.Name");
        initPressure_ = getParam<Scalar>("BoundaryConditions.InitialSoilPressure");
    }
 
    // \{
 
    const std::string& name() const
    { return name_; }
 
    Scalar temperature() const
    { return 273.15 + 10; } // in [K]
 
    /*
      * \brief Returns the reference pressure [Pa] of the non-wetting
     *        fluid phase within a finite volume.
     *
     * This problem assumes a constant reference pressure of 1 bar.
     */
    Scalar nonWettingReferencePressure() const
    { return 1.0e5; }
 
 
    // \}
 
    // \{
 
    BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
    {
        BoundaryTypes values;
        values.setAllNeumann();
        return values;
    }
 
    // \}
 
    // \{
 
    void addPointSources(std::vector<PointSource>& pointSources) const
    { pointSources = this->couplingManager().bulkPointSources(); }
 
    template<class ElementVolumeVariables>
    void pointSource(PointSource& source,
                     const Element &element,
                     const FVElementGeometry& fvGeometry,
                     const ElementVolumeVariables& elemVolVars,
                     const SubControlVolume &scv) const
    {
        // compute source at every integration point
        const Scalar pressure3D = this->couplingManager().bulkPriVars(source.id())[Indices::pressureIdx];
        const Scalar pressure1D = this->couplingManager().lowDimPriVars(source.id())[Indices::pressureIdx];
 
        const auto& spatialParams = this->couplingManager().problem(Dune::index_constant<1>{}).spatialParams();
        const auto lowDimElementIdx = this->couplingManager().pointSourceData(source.id()).lowDimElementIdx();
        const Scalar Kr = spatialParams.Kr(lowDimElementIdx);
        const Scalar rootRadius = spatialParams.radius(lowDimElementIdx);
 
        // sink defined as radial flow Jr * density [m^2 s-1]* [kg m-3]
        const auto density = 1000;
        const Scalar sourceValue = 2* M_PI *rootRadius * Kr *(pressure1D - pressure3D)*density;
        source = sourceValue*source.quadratureWeight()*source.integrationElement();
 
    }
 
    PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const
    {
        PrimaryVariables priVars({initPressure_});
        priVars.setState(Indices::bothPhases);
        return priVars;
    }
 
    void computeSourceIntegral(const SolutionVector& sol, const GridVariables& gridVars)
    {
        PrimaryVariables source(0.0);
        for (const auto& element : elements(this->gridGeometry().gridView()))
        {
            auto fvGeometry = localView(this->gridGeometry());
            fvGeometry.bindElement(element);
 
            auto elemVolVars = localView(gridVars.curGridVolVars());
            elemVolVars.bindElement(element, fvGeometry, sol);
 
            for (auto&& scv : scvs(fvGeometry))
            {
                auto pointSources = this->scvPointSources(element, fvGeometry, elemVolVars, scv);
                pointSources *= scv.volume()*elemVolVars[scv].extrusionFactor();
                source += pointSources;
            }
        }
 
        std::cout << "Global integrated source (soil): " << source << " (kg/s) / "
                  <<                           source*3600*24*1000 << " (g/day)" << '\n';
 
    }
 
    const CouplingManager& couplingManager() const
    { return *couplingManager_; }
 
private:
    Scalar initPressure_;
 
    static constexpr Scalar eps_ = 1.5e-7;
    std::string name_;
 
    std::shared_ptr<CouplingManager> couplingManager_;
};
 
} // end namespace Dumux
 
#endif