test/freeflow/navierstokes/channel/3d/problem.hh

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#ifndef DUMUX_3D_CHANNEL_PROBLEM_HH
#define DUMUX_3D_CHANNEL_PROBLEM_HH
 
#include <dune/grid/yaspgrid.hh>
 
#include <dumux/material/fluidsystems/1pliquid.hh>
#include <dumux/material/components/constant.hh>
 
#include <dumux/freeflow/navierstokes/problem.hh>
#include <dumux/discretization/staggered/freeflow/properties.hh>
#include <dumux/freeflow/navierstokes/model.hh>
#include <dune/common/float_cmp.hh>
 
#ifndef DIM_3D
#define DIM_3D 0
#endif
 
namespace Dumux {
 
template <class TypeTag>
class ThreeDChannelTestProblem;
 
namespace Properties {
// Create new type tags
namespace TTag {
struct ThreeDChannelTest { using InheritsFrom = std::tuple<NavierStokes, StaggeredFreeFlowModel>; };
} // end namespace TTag
 
// the fluid system
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::ThreeDChannelTest>
{
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using type = FluidSystems::OnePLiquid<Scalar, Components::Constant<1, Scalar> >;
};
 
// Set the grid type
#if DIM_3D
template<class TypeTag>
struct Grid<TypeTag, TTag::ThreeDChannelTest> { using type = Dune::YaspGrid<3>; };
#else
template<class TypeTag>
struct Grid<TypeTag, TTag::ThreeDChannelTest> { using type = Dune::YaspGrid<2>; };
#endif
 
// Set the problem property
template<class TypeTag>
struct Problem<TypeTag, TTag::ThreeDChannelTest> { using type = ThreeDChannelTestProblem<TypeTag> ; };
 
template<class TypeTag>
struct EnableGridGeometryCache<TypeTag, TTag::ThreeDChannelTest> { static constexpr bool value = true; };
template<class TypeTag>
struct EnableGridFluxVariablesCache<TypeTag, TTag::ThreeDChannelTest> { static constexpr bool value = true; };
template<class TypeTag>
struct EnableGridVolumeVariablesCache<TypeTag, TTag::ThreeDChannelTest> { static constexpr bool value = true; };
} // end namespace Properties
 
template <class TypeTag>
class ThreeDChannelTestProblem : public NavierStokesProblem<TypeTag>
{
    using ParentType = NavierStokesProblem<TypeTag>;
 
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
 
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using Element = typename GridView::template Codim<0>::Entity;
 
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
    using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace;
 
    static constexpr int dim = GridView::dimension;
    static constexpr int dimWorld = GridView::dimensionworld;
    using GlobalPosition = Dune::FieldVector<Scalar, dimWorld>;
 
    using CellCenterPrimaryVariables = GetPropType<TypeTag, Properties::CellCenterPrimaryVariables>;
    using FacePrimaryVariables = GetPropType<TypeTag, Properties::FacePrimaryVariables>;
 
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using NumEqVector = GetPropType<TypeTag, Properties::NumEqVector>;
 
    static constexpr bool enablePseudoThreeDWallFriction = !DIM_3D;
 
public:
    ThreeDChannelTestProblem(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry), eps_(1e-6)
    {
        deltaP_ = getParam<Scalar>("Problem.DeltaP");
        height_ = getParam<Scalar>("Problem.Height");
        rho_ = getParam<Scalar>("Component.LiquidDensity");
        nu_ = getParam<Scalar>("Component.LiquidKinematicViscosity");
 
        if(dim == 3 && !Dune::FloatCmp::eq(height_, this->gridGeometry().bBoxMax()[2]))
            DUNE_THROW(Dune::InvalidStateException, "z-dimension must equal height");
 
        if(enablePseudoThreeDWallFriction)
            extrusionFactor_ = 2.0/3.0 * height_;
        else
            extrusionFactor_ = 1.0;
    }
 
    // \{
 
    Scalar temperature() const
    { return 273.15 + 10; } // 10C
 
 
    using ParentType::source;
    template<class ElementVolumeVariables, class ElementFaceVariables>
    NumEqVector source(const Element &element,
                       const FVElementGeometry& fvGeometry,
                       const ElementVolumeVariables& elemVolVars,
                       const ElementFaceVariables& elemFaceVars,
                       const SubControlVolumeFace &scvf) const
    {
        auto source = NumEqVector(0.0);
 
#if !DIM_3D
            static const Scalar height = getParam<Scalar>("Problem.Height");
            static const Scalar factor = getParam<Scalar>("Problem.PseudoWallFractionFactor", 8.0);
            source[scvf.directionIndex()] = this->pseudo3DWallFriction(scvf, elemVolVars, elemFaceVars, height, factor);
#endif
 
        return source;
    }
 
    Scalar extrusionFactorAtPos(const GlobalPosition& pos) const
    { return extrusionFactor_; }
 
 
    // \}
    // \{
 
    BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
    {
        BoundaryTypes values;
 
        // set a fixed pressure at the inlet and outlet
        if (isOutlet_(globalPos) || isInlet_(globalPos))
            values.setDirichlet(Indices::pressureIdx);
        else
        {
            values.setDirichlet(Indices::velocityXIdx);
            values.setDirichlet(Indices::velocityYIdx);
            if(dim == 3)
                values.setDirichlet(Indices::velocityZIdx);
        }
 
        return values;
    }
 
    PrimaryVariables dirichletAtPos(const GlobalPosition &globalPos) const
    {
        PrimaryVariables values(0.0);
 
        if(isInlet_(globalPos))
            values[Indices::pressureIdx] = 1e5 + deltaP_;
 
        if(isOutlet_(globalPos))
            values[Indices::pressureIdx] = 1e5;
 
        return values;
    }
 
    // \}
 
    PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const
    {
        PrimaryVariables values(0.0);
        return values;
    }
 
    Scalar analyticalFlux() const
    {
        const Scalar h = height_;
        const Scalar w = this->gridGeometry().bBoxMax()[1];
        const Scalar L = this->gridGeometry().bBoxMax()[0];
 
        const Scalar mu = nu_*rho_;
 
        return h*h*h * w * deltaP_ / (12*mu*L) * (1.0 - 0.630 * h/w);
    }
 
private:
 
    bool isInlet_(const GlobalPosition& globalPos) const
    {
        return globalPos[0] < eps_;
    }
 
    bool isOutlet_(const GlobalPosition& globalPos) const
    {
        return globalPos[0] > this->gridGeometry().bBoxMax()[0] - eps_;
    }
 
    Scalar eps_;
    Scalar deltaP_;
    Scalar extrusionFactor_;
    Scalar height_;
    Scalar rho_;
    Scalar nu_;
};
} // end namespace Dumux
 
#endif