LagrangianAverage.H

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License
    This file is part of OpenFOAM.
 
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    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::LagrangianAverage
 
Description
    Base class for methods of local-averaging of Lagrangian properties
 
SourceFiles
    LagrangianAverage.C
    LagrangianAverages.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef LagrangianAverage_H
#define LagrangianAverage_H
 
#include "dimensionSet.H"
#include "LagrangianFieldsFwd.H"
#include "LagrangianSubFieldsFwd.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
template<class Type>
class LagrangianAverage;
 
template<class CellMesh, class Type>
struct LagrangianAverageNewReturnType
{
    typedef autoPtr<LagrangianAverage<Type>> type;
};
 
template<class Type>
struct LagrangianAverageNewReturnType<LagrangianMesh, Type>
{
    // No definition. SFINAE then resolves the New templates below.
};
 
/*---------------------------------------------------------------------------*\
                      Class LagrangianAverage Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class LagrangianAverage
{
    // Private Data
 
        //- The name of the result
        const word name_;
 
        //- Reference to the mesh
        const LagrangianMesh& mesh_;
 
        //- Dimensions of the result
        const dimensionSet dimensions_;
 
 
    // Private Member Functions
 
        //- Interpolate into a sub-field, where possible. Calling code deals
        //  with default values where no elements are available to interpolate.
        virtual void interpolate(LagrangianSubField<Type>& result) const = 0;
 
 
public:
 
    //- Runtime type information
    TypeName("LagrangianAverage");
 
 
    //- Declare run-time constructor selection tables
    declareRunTimeSelectionTable
    (
        autoPtr,
        LagrangianAverage,
        dictionary,
        (
            const word& name,
            const LagrangianMesh& mesh,
            const dimensionSet& dimensions,
            const Field<scalar>& cellWeightSum
        ),
        (name, mesh, dimensions, cellWeightSum)
    );
 
 
    // Constructors
 
        //- Construct with a name, for a mesh and with given dimensions
        LagrangianAverage
        (
            const word& name,
            const LagrangianMesh& mesh,
            const dimensionSet& dimensions
        );
 
 
    // Selectors
 
        //- Select to average a field
        template<template<class> class WeightPF, template<class> class PsiPF>
        static autoPtr<LagrangianAverage<Type>> New
        (
            const word& type,
            const word& name,
            const DimensionedField<scalar, LagrangianMesh, WeightPF>& weight,
            const DimensionedField<Type, LagrangianMesh, PsiPF>& psi
        );
 
        //- Select to average a field with a given cell weight sum
        template<class CellMesh, template<class> class WeightPsiPF>
        static typename LagrangianAverageNewReturnType<CellMesh, Type>::type New
        (
            const word& type,
            const word& name,
            const DimensionedField<scalar, CellMesh>& cellWeightSum,
            const DimensionedField<Type, LagrangianMesh, WeightPsiPF>& weightPsi
        );
 
 
    //- Destructor
    virtual ~LagrangianAverage();
 
 
    // Member Functions
 
        //- Remove weighted values from the average
        virtual void remove
        (
            const LagrangianSubSubField<scalar>& weight,
            const LagrangianSubSubField<Type>& psi
        ) = 0;
 
        //- Remove values from the average
        void remove(const LagrangianSubSubField<Type>& weightPsi);
 
        //- Add weighted values to the average
        virtual void add
        (
            const LagrangianSubSubField<scalar>& weight,
            const LagrangianSubSubField<Type>& psi,
            const bool cache
        ) = 0;
 
        //- Add values to the average
        void add
        (
            const LagrangianSubSubField<Type>& weightPsi,
            const bool cache
        );
 
        //- Correct weighted values in the average
        virtual void correct
        (
            const LagrangianSubSubField<scalar>& weight,
            const LagrangianSubSubField<Type>& psi,
            const bool cache
        ) = 0;
 
        //- Correct values in the average
        void correct
        (
            const LagrangianSubSubField<Type>& weightPsi,
            const bool cache
        );
 
        //- Interpolate to a sub-mesh
        tmp<LagrangianSubField<Type>> interpolate
        (
            const LagrangianSubMesh& subMesh
        ) const;
 
 
    // Member Operators
 
        //- Disallow default bitwise assignment
        void operator=(const LagrangianAverage<Type>&) = delete;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "LagrangianAverage.C"
#endif
 
 
#define defineLagrangianAverage(Type, nullArg)                                 \
                                                                               \
    namespace Foam                                                             \
    {                                                                          \
        typedef LagrangianAverage<Type> Type##Average;                         \
                                                                               \
        defineNamedTemplateTypeNameAndDebug                                    \
        (                                                                      \
            Type##Average,                                                     \
            0                                                                  \
        );                                                                     \
                                                                               \
        defineTemplateRunTimeSelectionTable                                    \
        (                                                                      \
            Type##Average,                                                     \
            dictionary                                                         \
        );                                                                     \
    }
 
 
#define makeLagrangianAverage(Type, AverageType)                               \
                                                                               \
    namespace Foam                                                             \
    {                                                                          \
        typedef LagrangianAverage<Type> Type##Average;                         \
                                                                               \
        namespace LagrangianAverages                                           \
        {                                                                      \
            typedef AverageType<Type> Type##AverageType;                       \
                                                                               \
            defineNamedTemplateTypeNameAndDebug                                \
            (                                                                  \
                Type##AverageType,                                             \
                0                                                              \
            );                                                                 \
                                                                               \
            addToRunTimeSelectionTable                                         \
            (                                                                  \
                Type##Average,                                                 \
                Type##AverageType,                                             \
                dictionary                                                     \
            );                                                                 \
        }                                                                      \
    }
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //