porousmediumflow/fluxvariablescache.hh

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#ifndef DUMUX_POROUSMEDIUM_FLUXVARIABLESCACHE_HH
#define DUMUX_POROUSMEDIUM_FLUXVARIABLESCACHE_HH
 
#include <dumux/common/properties.hh>
#include <dumux/discretization/method.hh>
#include <dumux/flux/fluxvariablescaching.hh>
#include <dumux/discretization/box/fluxvariablescache.hh>
 
namespace Dumux {
 
// forward declaration
template<class TypeTag, class DiscretizationMethod>
class PorousMediumFluxVariablesCacheImplementation;
 
 
template<class TypeTag>
using PorousMediumFluxVariablesCache = PorousMediumFluxVariablesCacheImplementation<TypeTag, typename GetPropType<TypeTag, Properties::GridGeometry>::DiscretizationMethod>;
 
template<class TypeTag>
class PorousMediumFluxVariablesCacheImplementation<TypeTag, DiscretizationMethods::Box>
: public BoxFluxVariablesCache<GetPropType<TypeTag, Properties::Scalar>, GetPropType<TypeTag, Properties::GridGeometry>>
{
public:
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
};
 
// the following classes choose the cache type: empty if the law disabled and the law's cache if it's enabled
// if advections is disabled the advection type is still instatiated if we use std::conditional_t and has to be a full type
// in order to prevent that instead of std::conditional_t we use this helper type is only dependent on the advection type
// if advection is enabled otherwise its an empty cache type
template<class TypeTag, bool EnableAdvection> class AdvectionCacheChooser : public FluxVariablesCaching::EmptyAdvectionCache {};
template<class TypeTag> class AdvectionCacheChooser<TypeTag, true> : public GetPropType<TypeTag, Properties::AdvectionType>::Cache {};
template<class TypeTag, bool EnableMolecularDiffusion> class DiffusionCacheChooser : public FluxVariablesCaching::EmptyDiffusionCache {};
template<class TypeTag> class DiffusionCacheChooser<TypeTag, true> : public GetPropType<TypeTag, Properties::MolecularDiffusionType>::Cache {};
template<class TypeTag, bool EnableEnergyBalance> class EnergyCacheChooser : public FluxVariablesCaching::EmptyHeatConductionCache {};
template<class TypeTag> class EnergyCacheChooser<TypeTag, true> : public GetPropType<TypeTag, Properties::HeatConductionType>::Cache {};
 
 
// specialization for the cell centered tpfa method
template<class TypeTag>
class PorousMediumFluxVariablesCacheImplementation<TypeTag, DiscretizationMethods::CCTpfa>
: public AdvectionCacheChooser<TypeTag, GetPropType<TypeTag, Properties::ModelTraits>::enableAdvection()>
, public DiffusionCacheChooser<TypeTag, GetPropType<TypeTag, Properties::ModelTraits>::enableMolecularDiffusion()>
, public EnergyCacheChooser<TypeTag, GetPropType<TypeTag, Properties::ModelTraits>::enableEnergyBalance()>
{
public:
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
};
 
template<class TypeTag>
class PorousMediumFluxVariablesCacheImplementation<TypeTag, DiscretizationMethods::CCMpfa>
: public AdvectionCacheChooser<TypeTag, GetPropType<TypeTag, Properties::ModelTraits>::enableAdvection()>
, public DiffusionCacheChooser<TypeTag, GetPropType<TypeTag, Properties::ModelTraits>::enableMolecularDiffusion()>
, public EnergyCacheChooser<TypeTag, GetPropType<TypeTag, Properties::ModelTraits>::enableEnergyBalance()>
{
    using GridIndexType = typename GetPropType<TypeTag, Properties::GridGeometry>::GridView::IndexSet::IndexType;
 
    using MpfaHelper = typename GetPropType<TypeTag, Properties::GridGeometry>::MpfaHelper;
    static constexpr bool considerSecondary = MpfaHelper::considerSecondaryIVs();
public:
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
 
    bool isUpdated() const { return isUpdated_; }
 
    template< bool doSecondary = considerSecondary, std::enable_if_t<!doSecondary, int> = 0>
    constexpr bool usesSecondaryIv() const { return false; }
 
    template< bool doSecondary = considerSecondary, std::enable_if_t<doSecondary, int> = 0>
    bool usesSecondaryIv() const { return usesSecondaryIv_; }
 
    GridIndexType ivIndexInContainer() const { return ivIndexInContainer_; }
    unsigned int ivLocalFaceIndex() const { return ivLocalFaceIdx_; }
    unsigned int indexInOutsideFaces() const { return idxInOutsideFaces_; }
 
    void setUpdateStatus(bool status) { isUpdated_ = status; }
    void setSecondaryIvUsage(bool status) { usesSecondaryIv_ = status; }
    void setIvIndexInContainer(GridIndexType ivIndex) { ivIndexInContainer_ = ivIndex; }
    void setIvLocalFaceIndex(unsigned int idx) { ivLocalFaceIdx_ = idx; }
    void setIndexInOutsideFaces(unsigned int idx) { idxInOutsideFaces_ = idx; }
 
private:
 
    bool isUpdated_ = false;       // returns true if cache has been fully updated
    bool usesSecondaryIv_ = false; // returns true if scvf is embedded in secondary interaction volume
 
    GridIndexType ivIndexInContainer_;  // index of the iv (this scvf is embedded in) in its container
    unsigned int ivLocalFaceIdx_;       // the interaction volume-local face index of this scvf
    unsigned int idxInOutsideFaces_;    // index of scvf among outside scvfs of iv-local "positive" face (only surface grids)
};
 
} // end namespace Dumux
 
#endif