smoothData.H

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    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2019-2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
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Class
    Foam::smoothData
 
Description
    Helper class used by the fvc::smooth and fvc::spread functions.
 
SourceFiles
    smoothData.H
    smoothDataI.H
 
\*---------------------------------------------------------------------------*/
 
#ifndef smoothData_H
#define smoothData_H
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward Declarations
class smoothData;
 
Ostream& operator<<(Ostream&, const smoothData&);
Istream& operator>>(Istream&, smoothData&);
 
/*---------------------------------------------------------------------------*\
                       Class smoothData Declaration
\*---------------------------------------------------------------------------*/
 
class smoothData
{
    // Private Data
 
        scalar value_;
 
 
    // Private Member Functions
 
        //- Update gets information from neighbouring face/cell and
        //- uses this to update itself (if necessary) and return true
        template<class TrackingData>
        inline bool update
        (
            const smoothData& svf,
            const scalar scale,
            const scalar tol,
            TrackingData& td
        );
 
 
public:
 
    //- Class used to pass additional data in
    class trackData
    {
    public:
 
        //- Cut off distance
        scalar maxRatio;
    };
 
 
    // Generated Methods
 
        //- Copy construct
        smoothData(const smoothData&) = default;
 
        //- Copy assignment
        smoothData& operator=(const smoothData&) = default;
 
 
    // Constructors
 
        //- Default construct
        inline smoothData();
 
        //- Construct from inverse field value
        inline smoothData(const scalar value);
 
 
    // Member Functions
 
        // Access
 
            //- Return value
            scalar value() const
            {
                return value_;
            }
 
            //- The value
            scalar& value()
            {
                return value_;
            }
 
 
        // Needed by FaceCellWave
 
            //- Changed or contains original (invalid) value
            template<class TrackingData>
            inline bool valid(TrackingData& td) const;
 
            //- Check for identical geometrical data (eg, cyclics checking)
            template<class TrackingData>
            inline bool sameGeometry
            (
                const polyMesh&,
                const smoothData&,
                const scalar,
                TrackingData& td
            ) const;
 
            //- Convert any absolute coordinates into relative to
            //- (patch)face centre
            template<class TrackingData>
            inline void leaveDomain
            (
                const polyMesh&,
                const polyPatch&,
                const label patchFacei,
                const point& faceCentre,
                TrackingData& td
            );
 
            //- Reverse of leaveDomain
            template<class TrackingData>
            inline void enterDomain
            (
                const polyMesh&,
                const polyPatch&,
                const label patchFacei,
                const point& faceCentre,
                TrackingData& td
            );
 
            //- Apply rotation matrix to any coordinates
            template<class TrackingData>
            inline void transform
            (
                const polyMesh&,
                const tensor&,
                TrackingData& td
            );
 
            //- Influence of neighbouring face
            template<class TrackingData>
            inline bool updateCell
            (
                const polyMesh&,
                const label thisCelli,
                const label neighbourFacei,
                const smoothData& svf,
                const scalar tol,
                TrackingData& td
            );
 
            //- Influence of neighbouring cell
            template<class TrackingData>
            inline bool updateFace
            (
                const polyMesh&,
                const label thisFacei,
                const label neighbourCelli,
                const smoothData& svf,
                const scalar tol,
                TrackingData& td
            );
 
            //- Influence of different value on same face
            template<class TrackingData>
            inline bool updateFace
            (
                const polyMesh&,
                const label thisFacei,
                const smoothData& svf,
                const scalar tol,
                TrackingData& td
            );
 
            //- Test for equality, with TrackingData
            template<class TrackingData>
            inline bool equal(const smoothData&, TrackingData& td) const;
 
            //- Interpolate between two values (lerp). Returns true if
            //- causes changes. Not sure if needs to be specialised between
            //- face and cell and what index is needed...
            template<class TrackingData>
            inline bool interpolate
            (
                const polyMesh&,
                const point& pt,
                const label i0,
                const smoothData& f0,
                const label i1,
                const smoothData& f1,
                const scalar weight,
                const scalar tol,
                TrackingData& td
            );
 
 
    // Member Operators
 
        //- Assign new value
        void operator=(const scalar value)
        {
            value_ = value;
        }
 
        //- Test for equality
        inline bool operator==(const smoothData&) const;
 
        //- Test for inequality
        inline bool operator!=(const smoothData&) const;
 
 
    // IOstream Operators
 
        friend Ostream& operator<<(Ostream& os, const smoothData& rhs)
        {
            return os << rhs.value_;
        }
 
        friend Istream& operator>>(Istream& is, smoothData& rhs)
        {
            return is >> rhs.value_;
        }
};
 
 
// * * * * * * * * * * * * * * * * * Traits  * * * * * * * * * * * * * * * * //
 
//- Contiguous data for smoothData
template<> struct is_contiguous<smoothData> : std::true_type {};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "smoothDataI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //