dumux/porousmediumflow/2p/sequential/transport/problem.hh

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#ifndef DUMUX_TRANSPORTPROBLEM_2P_HH
#define DUMUX_TRANSPORTPROBLEM_2P_HH
 
#include "properties.hh"
#include <dumux/porousmediumflow/sequential/onemodelproblem.hh>
#include <dumux/porousmediumflow/sequential/cellcentered/velocitydefault.hh>
 
namespace Dumux {
namespace Properties {
// Set the model properties
template<class TypeTag>
struct Model<TypeTag, TTag::TransportTwoP>
{
    using type = typename GET_PROP_TYPE(TypeTag, TransportModel);
};
//this Property should be set by the pressure model, only for a pure transport it is set here for the transportproblem!
SET_TYPE_PROP(TransportTwoP, Velocity, FVVelocityDefault<TypeTag>);
} // end namespace Properties
 
template<class TypeTag>
class TransportProblem2P : public OneModelProblem<TypeTag>
{
    using Implementation = typename GET_PROP_TYPE(TypeTag, Problem);
    using ParentType = OneModelProblem<TypeTag>;
 
    using GridView = typename GET_PROP_TYPE(TypeTag, GridView);
    using Grid = typename GridView::Grid;
    using Scalar = typename GET_PROP_TYPE(TypeTag, Scalar);
 
    using TimeManager = typename GET_PROP_TYPE(TypeTag, TimeManager);
 
    // material properties
    using SpatialParams = typename GET_PROP_TYPE(TypeTag, SpatialParams);
 
    using SolutionTypes = typename GET_PROP(TypeTag, SolutionTypes);
    using Solution = typename SolutionTypes::ScalarSolution;
 
    using Element = typename GridView::Traits::template Codim<0>::Entity;
 
    using Indices = typename GET_PROP_TYPE(TypeTag, ModelTraits)::Indices;
 
    enum {
        dim = Grid::dimension,
        dimWorld = Grid::dimensionworld
    };
    enum
    {
        transportEqIdx = Indices::transportEqIdx
    };
 
    using GlobalPosition = Dune::FieldVector<Scalar, dimWorld>;
 
    // private!! copy constructor
    TransportProblem2P(const TransportProblem2P&)
    {}
 
public:
 
    TransportProblem2P(TimeManager& timeManager, Grid& grid)
        : ParentType(timeManager, grid),
        gravity_(0)
    {
        cFLFactor_ = getParam<Scalar>("Impet.CFLFactor");
 
        spatialParams_ = std::make_shared<SpatialParams>(asImp_());
 
        gravity_ = 0;
        if (getParam<bool>("Problem.EnableGravity"))
            gravity_[dim - 1] = - 9.81;
    }
 
    TransportProblem2P(TimeManager& timeManager, Grid& grid, SpatialParams& spatialParams)
        : ParentType(timeManager, grid),
        gravity_(0)
    {
        cFLFactor_ = getParam<Scalar>("Impet.CFLFactor");
 
        spatialParams_ = Dune::stackobject_to_shared_ptr<SpatialParams>(spatialParams);
 
        gravity_ = 0;
        if (getParam<bool>("Problem.EnableGravity"))
            gravity_[dim - 1] = - 9.81;
    }
 
    // \{
 
    Scalar temperature(const Element& element) const
    {
        return this->asImp_().temperatureAtPos(element.geometry().center());
    }
 
    Scalar temperatureAtPos(const GlobalPosition& globalPos) const
    {
        // Throw an exception (there is no initial condition)
        DUNE_THROW(Dune::InvalidStateException,
                   "The problem does not provide "
                   "a temperatureAtPos() method.");
    }
 
    Scalar referencePressure(const Element& element) const
    {
        return this->asImp_().referencePressureAtPos(element.geometry().center());
    }
 
    Scalar referencePressureAtPos(const GlobalPosition& globalPos) const
    {
        // Throw an exception (there is no initial condition)
        DUNE_THROW(Dune::InvalidStateException,
                   "The problem does not provide "
                   "a referencePressureAtPos() method.");
    }
 
    const GlobalPosition &gravity() const
    { return gravity_; }
 
    SpatialParams &spatialParams()
    { return *spatialParams_; }
 
    const SpatialParams &spatialParams() const
    { return *spatialParams_; }
 
 
    void timeIntegration()
    {
        // allocate temporary vectors for the updates
        Solution updateVector;
 
        Scalar t = this->timeManager().time();
        Scalar dt = 1e100;
 
        // obtain the first update and the time step size
        this->model().update(t, dt, updateVector);
 
        //make sure t_old + dt is not larger than tend
        using std::min;
        dt = min(dt*cFLFactor_, this->timeManager().episodeMaxTimeStepSize());
        this->timeManager().setTimeStepSize(dt);
 
        // explicit Euler: Sat <- Sat + dt*N(Sat)
        this->model().updateTransportedQuantity(updateVector);
    }
 
    // \}
 
private:
    Implementation &asImp_()
    { return *static_cast<Implementation *>(this); }
 
    const Implementation &asImp_() const
    { return *static_cast<const Implementation *>(this); }
 
    GlobalPosition gravity_;
 
    // material properties
    std::shared_ptr<SpatialParams> spatialParams_;
 
    Scalar cFLFactor_;
};
 
} // end namespace Dumux
 
#endif