test_impesproblem.hh

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#ifndef DUMUX_TEST_IMPES_PROBLEM_HH
#define DUMUX_TEST_IMPES_PROBLEM_HH
 
#include <dune/grid/yaspgrid.hh>
 
#include <dumux/material/fluidsystems/1pliquid.hh>
#include <dumux/material/components/simpleh2o.hh>
 
#include <dumux/porousmediumflow/2p/sequential/diffusion/cellcentered/pressureproperties.hh>
#include <dumux/porousmediumflow/2p/sequential/transport/cellcentered/properties.hh>
#include <dumux/porousmediumflow/2p/sequential/impes/problem.hh>
 
//following includes are only needed if a global pressure formulation is chosen!
//Then only a total velocity can be reconstructed for the transport step
#include <dumux/porousmediumflow/2p/sequential/transport/cellcentered/capillarydiffusion.hh>
#include <dumux/porousmediumflow/2p/sequential/transport/cellcentered/gravitypart.hh>
 
#include "test_impesspatialparams.hh"
 
#include <dumux/porousmediumflow/2p/sequential/transport/cellcentered/evalcflfluxcoats.hh>
 
#include <dumux/linear/amgbackend.hh>
 
namespace Dumux
{
 
template<class TypeTag>
class IMPESTestProblem;

// Specify the properties
namespace Properties
{
NEW_TYPE_TAG(IMPESTest, INHERITS_FROM(FVPressureTwoP, FVTransportTwoP, IMPESTwoP, TestIMPESSpatialParams));
 
// Set the grid type
SET_TYPE_PROP(IMPESTest, Grid, Dune::YaspGrid<2>);
 
// Set the problem property
SET_TYPE_PROP(IMPESTest, Problem, IMPESTestProblem<TypeTag>);

//Switch to a p_n-S_w formulation
//
//SET_INT_PROP(IMPESTest, Formulation, SequentialTwoPCommonIndices::pnsn);
//

//Switch to a p_global-S_w formulation
//
//SET_INT_PROP(IMPESTest, Formulation, SequentialTwoPCommonIndices::pGlobalSw);
//
//Define the capillary pressure term in the transport equation -> only needed in case of a p_global-S_w formulation!
//SET_TYPE_PROP(IMPESTest, CapillaryFlux, CapillaryDiffusion<TypeTag>);
//
//Define the gravity term in the transport equation -> only needed in case of a p_global-S_w formulation!
//SET_TYPE_PROP(IMPESTest, GravityFlux, GravityPart<TypeTag>);
//
 
// Set the fluid system
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::IMPESTest>
{
    using Scalar = typename GET_PROP_TYPE(TypeTag, Scalar);
    using WettingPhase = FluidSystems::OnePLiquid<Scalar, Components::SimpleH2O<Scalar> >;
    using NonwettingPhase = FluidSystems::OnePLiquid<Scalar, Components::SimpleH2O<Scalar> >;
    using type = FluidSystems::TwoPImmiscible<Scalar, WettingPhase, NonwettingPhase>;
};
 
SET_TYPE_PROP(IMPESTest, EvalCflFluxFunction, EvalCflFluxCoats<TypeTag>);
 
// set up an additional problem where the AMG backend is used
NEW_TYPE_TAG(IMPESTestWithAMG, INHERITS_FROM(IMPESTest));
// use the AMG backend for the corresponding test
SET_TYPE_PROP(IMPESTestWithAMG, LinearSolver, AMGBackend<TypeTag>);
// Set the grid type
SET_TYPE_PROP(IMPESTestWithAMG, Grid, Dune::YaspGrid<2>);
 
} // end namespace Properties

template<class TypeTag>
class IMPESTestProblem: public IMPESProblem2P<TypeTag>
{
using ParentType = IMPESProblem2P<TypeTag>;
using GridView = typename GET_PROP_TYPE(TypeTag, GridView);
using Grid = typename GridView::Grid;
 
using Indices = typename GET_PROP_TYPE(TypeTag, ModelTraits)::Indices;
 
using WettingPhase = typename GET_PROP(TypeTag, FluidSystem)::WettingPhase;
 
using TimeManager = typename GET_PROP_TYPE(TypeTag, TimeManager);
 
enum
{
    dim = GridView::dimension, dimWorld = GridView::dimensionworld
};
 
enum
{
    nPhaseIdx = Indices::nPhaseIdx,
    pwIdx = Indices::pwIdx,
    swIdx = Indices::swIdx,
    eqIdxPress = Indices::pressureEqIdx,
    eqIdxSat = Indices::satEqIdx
};
 
using Scalar = typename GET_PROP_TYPE(TypeTag, Scalar);
 
using Element = typename GridView::Traits::template Codim<0>::Entity;
using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
using BoundaryTypes = typename GET_PROP_TYPE(TypeTag, BoundaryTypes);
using SolutionTypes = typename GET_PROP(TypeTag, SolutionTypes);
using PrimaryVariables = typename SolutionTypes::PrimaryVariables;
 
public:
IMPESTestProblem(TimeManager &timeManager, Grid &grid) :
ParentType(timeManager, grid)
{
    name_ = getParam<std::string>("Problem.Name");
}

// \{

const std::string name() const
{
    return name_;
}
 
bool shouldWriteRestartFile() const
{
    return false;
}

Scalar temperatureAtPos(const GlobalPosition& globalPos) const
{
    return 273.15 + 10; // -> 10°C
}
 
// \}

Scalar referencePressureAtPos(const GlobalPosition& globalPos) const
{
    return 1e5; // -> 10°C
}
 
void source(PrimaryVariables &values,const Element& element) const
{
    values = 0;
}

void boundaryTypesAtPos(BoundaryTypes &bcTypes, const GlobalPosition& globalPos) const
{
        if (globalPos[0] < eps_)
        {
            bcTypes.setAllDirichlet();
        }
        else if (globalPos[0] > this->bBoxMax()[0] - eps_)
        {
            bcTypes.setNeumann(eqIdxPress);
            bcTypes.setOutflow(eqIdxSat);
        }
        // all other boundaries
        else
        {
            bcTypes.setAllNeumann();
        }
}

void dirichletAtPos(PrimaryVariables &values, const GlobalPosition& globalPos) const
{
    values = 0;
    if (globalPos[0] < eps_)
    {
        if (getParam<bool>("Problem.EnableGravity"))
        {
            Scalar pRef = referencePressureAtPos(globalPos);
            Scalar temp = temperatureAtPos(globalPos);
 
            values[pwIdx] = (2e5 + (this->bBoxMax()[dim-1] - globalPos[dim-1])
                                   * WettingPhase::density(temp, pRef)
                                   * this->gravity().two_norm());
        }
        else
        {
            values[pwIdx] = 2e5;
        }
        values[swIdx] = 0.8;
    }
    else
    {
        values[pwIdx] = 2e5;
        values[swIdx] = 0.2;
    }
}

void neumannAtPos(PrimaryVariables &values, const GlobalPosition& globalPos) const
{
    values = 0;
    if (globalPos[0] > this->bBoxMax()[0] - eps_)
    {
        values[nPhaseIdx] = 3e-4;
    }
}

void initial(PrimaryVariables &values,
        const Element& element) const
{
    values[pwIdx] = 0;
    values[swIdx] = 0.2;
}
 
private:
 
static constexpr Scalar eps_ = 1e-6;
std::string name_;
};
} //end namespace
 
#endif