test/porousmediumflow/richards/implicit/nonisothermal/evaporation/problem.hh

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#ifndef DUMUX_RICHARDS_EVAPORATION_PROBLEM_HH
#define DUMUX_RICHARDS_EVAPORATION_PROBLEM_HH
 
#include <cmath>
#include <dune/grid/yaspgrid.hh>
 
#include <dumux/discretization/elementsolution.hh>
#include <dumux/discretization/cctpfa.hh>
#include <dumux/discretization/box.hh>
 
#include <dumux/porousmediumflow/problem.hh>
#include <dumux/porousmediumflow/richards/model.hh>
#include <dumux/material/fluidmatrixinteractions/2p/thermalconductivitysomerton.hh>
#include <dumux/material/fluidsystems/h2on2.hh>
#include "../spatialparams.hh"
 
namespace Dumux {
 
template <class TypeTag>
class RichardsNIEvaporationProblem;
 
namespace Properties {
// Create new type tags
namespace TTag {
struct RichardsNIEvaporation { using InheritsFrom = std::tuple<RichardsNI>; };
struct RichardsNIEvaporationBox { using InheritsFrom = std::tuple<RichardsNIEvaporation, BoxModel>; };
struct RichardsNIEvaporationCC { using InheritsFrom = std::tuple<RichardsNIEvaporation, CCTpfaModel>; };
} // end namespace TTag
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::RichardsNIEvaporation> { using type = Dune::YaspGrid<2>; };
 
// Set the problem property
template<class TypeTag>
struct Problem<TypeTag, TTag::RichardsNIEvaporation> { using type = RichardsNIEvaporationProblem<TypeTag>; };
 
// Set the fluid system
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::RichardsNIEvaporation> { using type = FluidSystems::H2ON2<GetPropType<TypeTag, Properties::Scalar>, FluidSystems::H2ON2DefaultPolicy</*fastButSimplifiedRelations=*/true>>; };
 
// Set the spatial parameters
template<class TypeTag>
struct SpatialParams<TypeTag, TTag::RichardsNIEvaporation>
{
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using type = RichardsNISpatialParams<GridGeometry, Scalar>;
};
 
template<class TypeTag>
struct EnableWaterDiffusionInAir<TypeTag, TTag::RichardsNIEvaporation> { static constexpr bool value = true; };
} // end namespace Properties
 
template <class TypeTag>
class RichardsNIEvaporationProblem : public PorousMediumFlowProblem<TypeTag>
{
    using ParentType = PorousMediumFlowProblem<TypeTag>;
 
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolumeFace = typename GridGeometry::SubControlVolumeFace;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using NumEqVector = GetPropType<TypeTag, Properties::NumEqVector>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using ThermalConductivityModel = GetPropType<TypeTag, Properties::ThermalConductivityModel>;
    using GridVariables = GetPropType<TypeTag, Properties::GridVariables>;
    using ElementVolumeVariables = typename GridVariables::GridVolumeVariables::LocalView;
    using ElementFluxVariablesCache = typename GridVariables::GridFluxVariablesCache::LocalView;
    using VolumeVariables = typename GridVariables::GridVolumeVariables::VolumeVariables;
    using SolutionVector = GetPropType<TypeTag, Properties::SolutionVector>;
    using IapwsH2O = Components::H2O<Scalar>;
 
    // copy some indices for convenience
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    enum { dimWorld = GridView::dimensionworld };
 
    enum {
        pressureIdx = Indices::pressureIdx,
        conti0EqIdx = Indices::conti0EqIdx,
        temperatureIdx = Indices::temperatureIdx,
        energyEqIdx = Indices::energyEqIdx
    };
 
    using Element = typename GridView::template Codim<0>::Entity;
    using GlobalPosition = typename SubControlVolumeFace::GlobalPosition;
 
public:
    RichardsNIEvaporationProblem(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry)
    {
        // initialize fluid system
        FluidSystem::init();
 
        name_ =  getParam<std::string>("Problem.Name");
        pressure_ = 9.9e4;
        temperatureInitial_ = 291;
    }
 
    // \{
 
    const std::string& name() const
    {
        return name_;
    }
 
    // \}
 
    // \{
 
    BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
    {
        BoundaryTypes values;
        if(globalPos[1] < eps_)
        {
            values.setAllDirichlet();
        }
        else
        {
            values.setAllNeumann();
        }
        return values;
    }
 
    PrimaryVariables dirichletAtPos(const GlobalPosition &globalPos) const
    {
        return initial_(globalPos);
    }
 
    NumEqVector neumann(const Element &element,
                        const FVElementGeometry& fvGeometry,
                        const ElementVolumeVariables& elemVolVars,
                        const ElementFluxVariablesCache& elemFluxVarsCache,
                        const SubControlVolumeFace& scvf) const
    {
        NumEqVector values(0.0);
        const auto globalPos = scvf.ipGlobal();
        const auto& volVars = elemVolVars[scvf.insideScvIdx()];
        Scalar boundaryLayerThickness = 0.0016;
 
        if(globalPos[1] > this->gridGeometry().bBoxMax()[1] - eps_)
        {
             values[conti0EqIdx] = 1e-3;
             values[energyEqIdx] = FluidSystem::enthalpy( volVars.fluidState(), FluidSystem::gasPhaseIdx) * values[conti0EqIdx];
             values[energyEqIdx] += FluidSystem::thermalConductivity(volVars.fluidState(), FluidSystem::gasPhaseIdx)
                                    * (volVars.temperature() - temperatureInitial_)/boundaryLayerThickness;
        }
        return values;
    }
 
    // \}
 
    // \{
 
 
    Scalar nonWettingReferencePressure() const
    { return 1e5; };
 
   PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const
    {
        return initial_(globalPos);
    }
 
    // \}
 
private:
    PrimaryVariables initial_(const GlobalPosition &globalPos) const
    {
        PrimaryVariables priVars(0.0);
        priVars.setState(Indices::bothPhases);
        priVars[pressureIdx] = pressure_; // initial condition for the pressure
        priVars[temperatureIdx] = temperatureInitial_;
        return priVars;
    }
 
    Scalar temperatureInitial_;
    Scalar pressure_;
    static constexpr Scalar eps_ = 1e-6;
    std::string name_;
};
 
} // end namespace Dumux
 
#endif