freeflow/volumevariables.hh

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#ifndef DUMUX_FREEFLOW_VOLUME_VARIABLES_HH
#define DUMUX_FREEFLOW_VOLUME_VARIABLES_HH
 
#include <dumux/material/fluidstates/immiscible.hh>
 
namespace Dumux {
 
// forward declaration
template <class Traits, class Impl, bool enableEnergyBalance>
class FreeFlowVolumeVariablesImplementation;

template <class Traits, class Impl>
using FreeFlowVolumeVariables = FreeFlowVolumeVariablesImplementation<Traits, Impl, Traits::ModelTraits::enableEnergyBalance()>;

template <class Traits, class Impl>
class FreeFlowVolumeVariablesImplementation<Traits, Impl, false>
{
    using Scalar = typename Traits::PrimaryVariables::value_type;
 
public:
    using PrimaryVariables = typename Traits::PrimaryVariables;
    using Indices = typename Traits::ModelTraits::Indices;

    static constexpr int numFluidPhases() { return Traits::ModelTraits::numFluidPhases(); }
    static constexpr int numFluidComponents() { return Traits::ModelTraits::numFluidComponents(); }
 

    template<class ElementSolution, class Problem, class Element, class SubControlVolume>
    void update(const ElementSolution &elemSol,
                const Problem &problem,
                const Element &element,
                const SubControlVolume& scv)
    {
        priVars_ = elemSol[scv.localDofIndex()];
        extrusionFactor_ = problem.extrusionFactor(element, scv, elemSol);
    }

    Scalar extrusionFactor() const
    { return extrusionFactor_; }

    Scalar priVar(const int pvIdx) const
    { return priVars_[pvIdx]; }

    template<class ElementSolution, class Problem, class Element, class SubControlVolume>
    static Scalar temperature(const ElementSolution &elemSol,
                              const Problem& problem,
                              const Element &element,
                              const SubControlVolume &scv)
    {
        return problem.temperatureAtPos(scv.dofPosition());
    }

    template<class FluidState, class ParameterCache>
    static Scalar enthalpy(const FluidState& fluidState,
                           const ParameterCache& paramCache)
    {
        return 0;
    }
 
protected:
    const Impl &asImp_() const { return *static_cast<const Impl*>(this); }
    Impl &asImp_() { return *static_cast<Impl*>(this); }
    PrimaryVariables priVars_;
    Scalar extrusionFactor_;
};

template <class Traits, class Impl>
class FreeFlowVolumeVariablesImplementation<Traits, Impl, true>
: public FreeFlowVolumeVariablesImplementation<Traits, Impl, false>
{
    using ParentType = FreeFlowVolumeVariablesImplementation<Traits, Impl, false>;
    using Scalar = typename Traits::PrimaryVariables::value_type;
 
public:
    using PrimaryVariables = typename Traits::PrimaryVariables;
    using FluidSystem = typename Traits::FluidSystem;
    using Indices = typename Traits::ModelTraits::Indices;
 

    template<class ElemSol, class Problem, class Element, class Scv>
    void update(const ElemSol &elemSol,
                const Problem &problem,
                const Element &element,
                const Scv &scv)
    {
        ParentType::update(elemSol, problem, element, scv);
    }

    Scalar internalEnergy(int phaseIdx = 0) const
    { return ParentType::asImp_().fluidState().internalEnergy(0); }

    Scalar enthalpy(int phaseIdx = 0) const
    { return ParentType::asImp_().fluidState().enthalpy(0); }

    Scalar componentEnthalpy(unsigned int compIdx) const
    { return FluidSystem::componentEnthalpy(ParentType::asImp_().fluidState(), 0, compIdx); }

    Scalar thermalConductivity() const
    { return FluidSystem::thermalConductivity(ParentType::asImp_().fluidState(), 0); }

    Scalar effectiveThermalConductivity() const
    {
        return thermalConductivity();
    }

    Scalar heatCapacity() const
    { return FluidSystem::heatCapacity(ParentType::asImp_().fluidState(), 0); }

    template<class ElemSol, class Problem, class Element, class Scv>
    static Scalar temperature(const ElemSol &elemSol,
                              const Problem& problem,
                              const Element &element,
                              const Scv &scv)
    {
        return elemSol[scv.localDofIndex()][Indices::temperatureIdx];
    }

    template<class FluidState, class ParameterCache>
    static Scalar enthalpy(const FluidState& fluidState,
                           const ParameterCache& paramCache)
    {
        return FluidSystem::enthalpy(fluidState, paramCache, 0);
    }
};
} // end namespace Dumux
 
#endif // DUMUX_FREEFLOW_VOLUME_VARIABLES_HH