multidomain/fvgridvariables.hh

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#ifndef DUMUX_MULTIDOMAIN_FV_GRID_VARIABLES_HH
#define DUMUX_MULTIDOMAIN_FV_GRID_VARIABLES_HH
 
#include <tuple>
#include <memory>
#include <utility>
 
#include <dune/common/hybridutilities.hh>
#include <dune/common/indices.hh>
 
namespace Dumux {
 
template<class MDTraits>
class MultiDomainFVGridVariables
{
    using SolutionVector = typename MDTraits::SolutionVector;
    static constexpr std::size_t numSubDomains = MDTraits::numSubDomains;
 
    template<std::size_t i>
    using GridGeometry = typename MDTraits::template SubDomain<i>::GridGeometry;
    using GridGeometries = typename MDTraits::template TupleOfSharedPtrConst<GridGeometry>;
 
    template<std::size_t i>
    using Problem = typename MDTraits::template SubDomain<i>::Problem;
    using Problems = typename MDTraits::template TupleOfSharedPtrConst<Problem>;
 
public:
    template<std::size_t i>
    using Type = typename MDTraits::template SubDomain<i>::GridVariables;
 
    template<std::size_t i>
    using PtrType = std::shared_ptr<Type<i>>;
 
    using TupleType = typename MDTraits::template Tuple<PtrType>;
 
    MultiDomainFVGridVariables() = default;
 
    MultiDomainFVGridVariables(GridGeometries&& gridGeometries, Problems&& problems)
    {
        using namespace Dune::Hybrid;
        forEach(std::make_index_sequence<numSubDomains>{}, [&](auto&& id)
        {
            constexpr auto i = std::decay_t<decltype(id)>::value;
            elementAt(gridVars_, id) = std::make_shared<Type<i>>( std::get<i>(problems), std::get<i>(gridGeometries));
        });
    }
 
    void init(const SolutionVector& sol)
    {
        using namespace Dune::Hybrid;
        forEach(std::make_index_sequence<numSubDomains>{}, [&](auto&& id)
        {
            elementAt(gridVars_, id)->init(sol[id]);
        });
    }
 
    void update(const SolutionVector& sol, bool forceFluxCacheUpdate = false)
    {
        using namespace Dune::Hybrid;
        forEach(std::make_index_sequence<numSubDomains>{}, [&](auto&& id)
        {
            elementAt(gridVars_, id)->update(sol[id], forceFluxCacheUpdate);
        });
    }
 
    void updateAfterGridAdaption(const SolutionVector& sol)
    {
        using namespace Dune::Hybrid;
        forEach(std::make_index_sequence<numSubDomains>{}, [&](auto&& id)
        {
            elementAt(gridVars_, id)->updateAfterGridAdaption(sol[id]);
        });
    }
 
    void advanceTimeStep()
    {
        using namespace Dune::Hybrid;
        forEach(std::make_index_sequence<numSubDomains>{}, [&](auto&& id)
        {
            elementAt(gridVars_, id)->advanceTimeStep();
        });
    }
 
    void resetTimeStep(const SolutionVector& sol)
    {
        using namespace Dune::Hybrid;
        forEach(std::make_index_sequence<numSubDomains>{}, [&](auto&& id)
        {
            elementAt(gridVars_, id)->resetTimeStep(sol[id]);
        });
    }
 
    template<std::size_t i>
    const Type<i>& operator[] (Dune::index_constant<i> id) const
    { return *Dune::Hybrid::elementAt(gridVars_, id); }
 
    template<std::size_t i>
    Type<i>& operator[] (Dune::index_constant<i> id)
    { return *Dune::Hybrid::elementAt(gridVars_, id); }
 
    template<std::size_t i>
    PtrType<i> get(Dune::index_constant<i> id = Dune::index_constant<i>{})
    { return Dune::Hybrid::elementAt(gridVars_, id); }
 
    template<std::size_t i>
    void set(PtrType<i> p, Dune::index_constant<i> id = Dune::index_constant<i>{})
    { Dune::Hybrid::elementAt(gridVars_, id) = p; }
 
    TupleType getTuple()
    { return gridVars_; }
 
private:
 
    TupleType gridVars_;
};
 
} // end namespace Dumux
 
#endif