test/porousmediumflow/2p/implicit/adaptive/problem.hh

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#ifndef DUMUX_LENSPROBLEM_ADAPTIVE_HH
#define DUMUX_LENSPROBLEM_ADAPTIVE_HH
 
#include "../incompressible/problem.hh"
 
#include <dumux/io/container.hh>
 
namespace Dumux {
 
template <class TypeTag >
class TwoPTestProblemAdaptive : public TwoPTestProblem<TypeTag>
{
    using ParentType = TwoPTestProblem<TypeTag>;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Element = typename GridView::template Codim<0>::Entity;
    using Vertex = typename GridView::template Codim<GridView::dimensionworld>::Entity;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
 
    static constexpr bool isBox = GridGeometry::discMethod == DiscretizationMethod::box;
 
public:
    TwoPTestProblemAdaptive(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry)
    {
        if(!isBox)
            initialValues_ = readFileToContainer<std::vector<PrimaryVariables>>("initialsolutioncc.txt");
        else
            initialValues_ = readFileToContainer<std::vector<PrimaryVariables>>("initialsolutionbox.txt");
    }
 
    PrimaryVariables initial(const Element& element) const
    {
        const auto delta = 0.0625;
        unsigned int cellsX = this->gridGeometry().bBoxMax()[0]/delta;
        const auto globalPos = element.geometry().center();
 
        // the input data corresponds to a uniform grid with discretization length deltaX_
        unsigned int dataIdx = std::trunc(globalPos[1]/delta) * cellsX + std::trunc(globalPos[0]/delta);
        return initialValues_[dataIdx];
    }
 
    PrimaryVariables initial(const Vertex& vertex) const
    {
        const auto delta = 0.0625;
        unsigned int verticesX = this->gridGeometry().bBoxMax()[0]/delta + 1;
        const auto globalPos = vertex.geometry().center();
 
        // the input data corresponds to a uniform grid with discretization length deltaX_
        unsigned int dataIdx = std::trunc(globalPos[1]/delta) * verticesX + std::trunc(globalPos[0]/delta);
        return initialValues_[dataIdx];
    }
 
private:
    std::vector<PrimaryVariables> initialValues_;
};
 
} // end namespace Dumux
 
#endif