primitiveMeshGeometry.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    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
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::primitiveMeshGeometry
 
Description
    Updateable mesh geometry + checking routines.
 
SourceFiles
    primitiveMeshGeometry.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef primitiveMeshGeometry_H
#define primitiveMeshGeometry_H
 
#include "pointFields.H"
#include "HashSet.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class primitiveMeshGeometry Declaration
\*---------------------------------------------------------------------------*/
 
class primitiveMeshGeometry
{
        //- Reference to primitiveMesh.
        const primitiveMesh& mesh_;
 
        //- Uptodate copy of face areas
        vectorField faceAreas_;
 
        //- Uptodate copy of face centres
        vectorField faceCentres_;
 
        //- Uptodate copy of cell centres
        vectorField cellCentres_;
 
        //- Uptodate copy of cell volumes
        scalarField cellVolumes_;
 
 
    // Private Member Functions
 
        //- Update face areas and centres on selected faces.
        void updateFaceCentresAndAreas
        (
            const pointField& p,
            const labelList& changedFaces
        );
 
        //- Update cell volumes and centres on selected cells. Requires
        //  cells and faces to be consistent set.
        void updateCellCentresAndVols
        (
            const labelList& changedCells,
            const labelList& changedFaces
        );
 
public:
 
    ClassName("primitiveMeshGeometry");
 
    // Constructors
 
        //- Construct from mesh
        primitiveMeshGeometry(const primitiveMesh&);
 
 
    // Member Functions
 
        // Access
 
            const primitiveMesh& mesh() const
            {
                return mesh_;
            }
 
            const vectorField& faceAreas() const
            {
                return faceAreas_;
            }
            const vectorField& faceCentres() const
            {
                return faceCentres_;
            }
            const vectorField& cellCentres() const
            {
                return cellCentres_;
            }
            const scalarField& cellVolumes() const
            {
                return cellVolumes_;
            }
 
        // Edit
 
            //- Take over properties from mesh
            void correct();
 
            //- Recalculate on selected faces. Recalculates cell properties
            //  on owner and neighbour of these cells.
            void correct
            (
                const pointField& p,
                const labelList& changedFaces
            );
 
            //- Helper function: get affected cells from faces
            labelList affectedCells(const labelList& changedFaces) const;
 
 
        // Checking of selected faces with supplied geometry (mesh only used for
        // topology). Parallel aware.
 
            static bool checkFaceDotProduct
            (
                const bool report,
                const scalar orthWarn,
                const primitiveMesh&,
                const vectorField& cellCentres,
                const vectorField& faceAreas,
                const labelList& checkFaces,
                labelHashSet* setPtr
            );
 
            static bool checkFacePyramids
            (
                const bool report,
                const scalar minPyrVol,
                const primitiveMesh&,
                const vectorField& cellCentres,
                const pointField& p,
                const labelList& checkFaces,
                labelHashSet*
            );
 
            static bool checkFaceSkewness
            (
                const bool report,
                const scalar internalSkew,
                const scalar boundarySkew,
                const primitiveMesh& mesh,
                const vectorField& cellCentres,
                const vectorField& faceCentres,
                const vectorField& faceAreas,
                const labelList& checkFaces,
                labelHashSet* setPtr
            );
 
            static bool checkFaceWeights
            (
                const bool report,
                const scalar warnWeight,
                const primitiveMesh& mesh,
                const vectorField& cellCentres,
                const vectorField& faceCentres,
                const vectorField& faceAreas,
                const labelList& checkFaces,
                labelHashSet* setPtr
            );
 
            static bool checkFaceAngles
            (
                const bool report,
                const scalar maxDeg,
                const primitiveMesh& mesh,
                const vectorField& faceAreas,
                const pointField& p,
                const labelList& checkFaces,
                labelHashSet* setPtr
            );
 
            //static bool checkFaceFlatness
            //(
            //    const bool report,
            //    const scalar warnFlatness,
            //    const primitiveMesh&,
            //    const vectorField& faceAreas,
            //    const vectorField& faceCentres,
            //    const pointField& p,
            //    const labelList& checkFaces,
            //    labelHashSet* setPtr
            //);
 
            static bool checkFaceTwist
            (
                const bool report,
                const scalar minTwist,
                const primitiveMesh&,
                const vectorField& faceAreas,
                const vectorField& faceCentres,
                const pointField& p,
                const labelList& checkFaces,
                labelHashSet* setPtr
            );
 
            static bool checkFaceArea
            (
                const bool report,
                const scalar minArea,
                const primitiveMesh&,
                const vectorField& faceAreas,
                const labelList& checkFaces,
                labelHashSet* setPtr
            );
 
            static bool checkCellDeterminant
            (
                const bool report,
                const scalar minDet,
                const primitiveMesh&,
                const vectorField& faceAreas,
                const labelList& checkFaces,
                const labelList& affectedCells,
                labelHashSet* setPtr
            );
 
 
        // Checking of selected faces with local geometry. Uses above static
        // functions. Parallel aware.
 
            bool checkFaceDotProduct
            (
                const bool report,
                const scalar orthWarn,
                const labelList& checkFaces,
                labelHashSet* setPtr
            ) const;
 
            bool checkFacePyramids
            (
                const bool report,
                const scalar minPyrVol,
                const pointField& p,
                const labelList& checkFaces,
                labelHashSet* setPtr
            ) const;
 
            bool checkFaceSkewness
            (
                const bool report,
                const scalar internalSkew,
                const scalar boundarySkew,
                const labelList& checkFaces,
                labelHashSet* setPtr
            ) const;
 
            bool checkFaceWeights
            (
                const bool report,
                const scalar warnWeight,
                const labelList& checkFaces,
                labelHashSet* setPtr
            ) const;
 
            bool checkFaceAngles
            (
                const bool report,
                const scalar maxDeg,
                const pointField& p,
                const labelList& checkFaces,
                labelHashSet* setPtr
            ) const;
 
            //bool checkFaceFlatness
            //(
            //    const bool report,
            //    const scalar warnFlatness,
            //    const pointField& p,
            //    const labelList& checkFaces,
            //    labelHashSet* setPtr
            //) const;
 
            bool checkFaceTwist
            (
                const bool report,
                const scalar minTwist,
                const pointField& p,
                const labelList& checkFaces,
                labelHashSet* setPtr
            ) const;
 
            bool checkFaceArea
            (
                const bool report,
                const scalar minArea,
                const labelList& checkFaces,
                labelHashSet* setPtr
            ) const;
 
            bool checkCellDeterminant
            (
                const bool report,
                const scalar warnDet,
                const labelList& checkFaces,
                const labelList& affectedCells,
                labelHashSet* setPtr
            ) const;
};
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //