test/freeflow/navierstokesnc/densitydrivenflow/problem.hh

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#ifndef DUMUX_DENSITY_FLOW_NC_TEST_PROBLEM_HH
#define DUMUX_DENSITY_FLOW_NC_TEST_PROBLEM_HH
 
#include <dune/grid/yaspgrid.hh>
 
#include <dumux/material/components/simpleh2o.hh>
#include <dumux/material/fluidsystems/h2oair.hh>
#include <dumux/material/fluidsystems/1padapter.hh>
 
#include <dumux/discretization/staggered/freeflow/properties.hh>
#include <dumux/freeflow/compositional/navierstokesncmodel.hh>
#include <dumux/freeflow/navierstokes/problem.hh>
 
 
namespace Dumux {
 
template <class TypeTag>
class DensityDrivenFlowProblem;
 
namespace Properties {
 
// Create new type tags
namespace TTag {
struct DensityDrivenFlow { using InheritsFrom = std::tuple<NavierStokesNC, StaggeredFreeFlowModel>; };
} // end namespace TTag
 
// Select the fluid system
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::DensityDrivenFlow>
{
    using H2OAir = FluidSystems::H2OAir<GetPropType<TypeTag, Properties::Scalar>>;
    static constexpr int phaseIdx = H2OAir::liquidPhaseIdx;
    using type = FluidSystems::OnePAdapter<H2OAir, phaseIdx>;
};
 
template<class TypeTag>
struct ReplaceCompEqIdx<TypeTag, TTag::DensityDrivenFlow> { static constexpr int value = 0; };
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::DensityDrivenFlow> { using type = Dune::YaspGrid<2>; };
 
// Set the problem property
template<class TypeTag>
struct Problem<TypeTag, TTag::DensityDrivenFlow> { using type = Dumux::DensityDrivenFlowProblem<TypeTag> ; };
 
template<class TypeTag>
struct EnableGridGeometryCache<TypeTag, TTag::DensityDrivenFlow> { static constexpr bool value = true; };
 
template<class TypeTag>
struct EnableGridFluxVariablesCache<TypeTag, TTag::DensityDrivenFlow> { static constexpr bool value = true; };
template<class TypeTag>
struct EnableGridVolumeVariablesCache<TypeTag, TTag::DensityDrivenFlow> { static constexpr bool value = true; };
 
template<class TypeTag>
struct UseMoles<TypeTag, TTag::DensityDrivenFlow> { static constexpr bool value = true; };
} // end namespace Properties

template <class TypeTag>
class DensityDrivenFlowProblem : public NavierStokesProblem<TypeTag>
{
    using ParentType = NavierStokesProblem<TypeTag>;
 
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    using NumEqVector = GetPropType<TypeTag, Properties::NumEqVector>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
 
    using Element = typename GridGeometry::GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
    using TimeLoopPtr = std::shared_ptr<CheckPointTimeLoop<Scalar>>;
 
    static constexpr auto dimWorld = GetPropType<TypeTag, Properties::GridView>::dimensionworld;
 
    static constexpr auto transportCompIdx = Indices::conti0EqIdx + 1;
    static constexpr auto transportEqIdx = Indices::conti0EqIdx + 1;
 
public:
    DensityDrivenFlowProblem(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry), eps_(1e-6)
    {
        useWholeLength_ = getParam<bool>("Problem.UseWholeLength");
        FluidSystem::init();
        deltaRho_.resize(this->gridGeometry().numCellCenterDofs());
    }

    // \{
 
    bool shouldWriteRestartFile() const
    {
        return false;
    }

    Scalar temperature() const
    { return 273.15 + 10; } // 10C

    NumEqVector sourceAtPos(const GlobalPosition &globalPos) const
    {
        return NumEqVector(0.0);
    }
 
    // \}
    // \{

    BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
    {
        BoundaryTypes values;
 
        // set Dirichlet values for the velocity everywhere
        values.setDirichlet(Indices::velocityXIdx);
        values.setDirichlet(Indices::velocityYIdx);
        values.setNeumann(Indices::conti0EqIdx);
        values.setNeumann(transportEqIdx);
 
        if(globalPos[1] > this->gridGeometry().bBoxMax()[1] - eps_)
        {
            if(useWholeLength_)
                values.setDirichlet(transportCompIdx);
            else
                if(globalPos[0] > 0.4 && globalPos[0] < 0.6)
                    values.setDirichlet(transportCompIdx);
        }
 
        return values;
    }

    template<class FVElementGeometry, class SubControlVolume>
    bool isDirichletCell(const Element& element,
                         const FVElementGeometry& fvGeometry,
                         const SubControlVolume& scv,
                         int pvIdx) const
    {
        // set a fixed pressure in one cell
        return (isLowerLeftCell_(scv) && pvIdx == Indices::pressureIdx);
    }

    PrimaryVariables dirichletAtPos(const GlobalPosition &globalPos) const
    {
        PrimaryVariables values;
 
        values[Indices::pressureIdx] = 1.1e+5;
        values[transportCompIdx] = 1e-3;
        values[Indices::velocityXIdx] = 0.0;
        values[Indices::velocityYIdx] = 0.0;
 
        return values;
    }
 
    // \}

    // \{

    PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const
    {
        PrimaryVariables values;
        values[Indices::pressureIdx] = 1.1e+5;
        values[transportCompIdx] = 0.0;
        values[Indices::velocityXIdx] = 0.0;
        values[Indices::velocityYIdx] = 0.0;
 
        return values;
    }

    template<class GridVariables, class SolutionVector>
    void calculateDeltaRho(const GridVariables& gridVariables, const SolutionVector& sol)
    {
        for (const auto& element : elements(this->gridGeometry().gridView()))
        {
            auto fvGeometry = localView(this->gridGeometry());
            fvGeometry.bindElement(element);
            for (auto&& scv : scvs(fvGeometry))
            {
                auto ccDofIdx = scv.dofIndex();
 
                auto elemVolVars = localView(gridVariables.curGridVolVars());
                elemVolVars.bind(element, fvGeometry, sol);
 
                deltaRho_[ccDofIdx] = elemVolVars[scv].density() - 999.694;
            }
        }
    }
 
    const std::vector<Scalar>& getDeltaRho() const
    { return deltaRho_; }
 
 
 
    // \}
 
private:
 
    template<class SubControlVolume>
    bool isLowerLeftCell_(const SubControlVolume& scv) const
    { return scv.dofIndex() == 0; }
 
    const Scalar eps_;
    bool useWholeLength_;
    std::vector<Scalar> deltaRho_;
};
} // end namespace Dumux
 
#endif