sequential/cellcentered/velocity.hh

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#ifndef DUMUX_FVVELOCITY_HH
#define DUMUX_FVVELOCITY_HH
 
// dumux environment
#include <dumux/common/math.hh>
#include <dumux/porousmediumflow/sequential/pressureproperties.hh>
#include "velocitydefault.hh"
 
namespace Dumux
{
 
template<class TypeTag, class Velocity> class FVVelocity
{
    using GridView = typename GET_PROP_TYPE(TypeTag, GridView);
    using Problem = typename GET_PROP_TYPE(TypeTag, Problem);
 
    using CellData = typename GET_PROP_TYPE(TypeTag, CellData);
public:
 
    void initialize()
    {
        velocity_.initialize();
    }
 
    //function which iterates through the grid and calculates the global velocity field
    void calculateVelocity();
 
    template<class MultiWriter>
    void addOutputVtkFields(MultiWriter &writer)
    {
        velocity_.addOutputVtkFields(writer);
    }
 
 
    FVVelocity(Problem& problem) :
        problem_(problem), velocity_(problem)
    {}
 
private:
    Problem& problem_;
    Velocity velocity_;
};
 
 
template<class TypeTag, class Velocity>
void FVVelocity<TypeTag, Velocity>::calculateVelocity()
{
    for (const auto& element : elements(problem_.gridView()))
    {
        // cell information
        int globalIdxI = problem_.variables().index(element);
        CellData& cellDataI = problem_.variables().cellData(globalIdxI);
 
        /*****  flux term ***********/
        // iterate over all faces of the cell
        for (const auto& intersection : intersections(problem_.gridView(), element))
        {
            /************* handle interior face *****************/
            if (intersection.neighbor())
            {
                int isIndex = intersection.indexInInside();
 
                if (!cellDataI.fluxData().haveVelocity(isIndex))
                    velocity_.calculateVelocity(intersection, cellDataI);
            }   // end neighbor
 
            /************* boundary face ************************/
            else
            {
                velocity_.calculateVelocityOnBoundary(intersection, cellDataI);
            }
        } //end interfaces loop
    } // end grid traversal
 
    return;
}
 
}//end namespace Dumux
#endif