test/porousmediumflow/1p/implicit/internaldirichlet/problem.hh

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#ifndef DUMUX_INCOMPRESSIBLE_ONEP_TEST_PROBLEM_INTERNAL_DIRICHLET_HH
#define DUMUX_INCOMPRESSIBLE_ONEP_TEST_PROBLEM_INTERNAL_DIRICHLET_HH
 
#include <test/porousmediumflow/1p/implicit/incompressible/problem.hh>
 
namespace Dumux {
// forward declarations
template<class TypeTag> class OnePTestProblemInternalDirichlet;
 
namespace Properties {
// Create new type tags
namespace TTag {
struct OnePInternalDirichlet {};
// internal Dirichlet BC are currently not implemented for cc-models
//struct OnePInternalDirichletTpfa { using InheritsFrom = std::tuple<OnePInternalDirichlet, OnePIncompressibleTpfa>; };
struct OnePInternalDirichletBox { using InheritsFrom = std::tuple<OnePInternalDirichlet, OnePIncompressibleBox>; };
} // end namespace TTag
 
// Set the problem type
template<class TypeTag>
struct Problem<TypeTag, TTag::OnePInternalDirichlet>
{ using type = OnePTestProblemInternalDirichlet<TypeTag>; };
 
} // end namespace Properties
 
template<class TypeTag>
class OnePTestProblemInternalDirichlet : public OnePTestProblem<TypeTag>
{
    using ParentType = OnePTestProblem<TypeTag>;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Element = typename GridView::template Codim<0>::Entity;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using NeumannValues = GetPropType<TypeTag, Properties::NumEqVector>;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using SubControlVolume = typename GridGeometry::SubControlVolume;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
public:
    OnePTestProblemInternalDirichlet(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry)
    {}
 
    BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
    {
        BoundaryTypes values;
        values.setAllNeumann();
        return values;
    }
 
    NeumannValues neumannAtPos(const GlobalPosition& globalPos) const
    {
        const auto& gg = this->gridGeometry();
        if (globalPos[0] < gg.bBoxMin()[0] + eps_)
            return NeumannValues(1e3);
        else if (globalPos[1] < gg.bBoxMin()[1] + eps_)
            return NeumannValues(-1e3);
        else
            return NeumannValues(0.0);
    }
 
    static constexpr bool enableInternalDirichletConstraints()
    { return true; }
 
    bool hasInternalDirichletConstraint(const Element& element, const SubControlVolume& scv) const
    {
        // the pure Neumann problem is only defined up to a constant
        // we create a well-posed problem by fixing the pressure at one dof in the middle of the domain
        return (scv.dofIndex() == static_cast<std::size_t>(this->gridGeometry().numDofs()/2));
    }
 
    PrimaryVariables internalDirichlet(const Element& element, const SubControlVolume& scv) const
    { return PrimaryVariables(1e5); }
 
private:
    static constexpr Scalar eps_ = 1.5e-7;
};
 
} // end namespace Dumux
 
#endif