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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2024 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/>.

Namespace
    Foam::meshCheck

Description

SourceFiles
    polyMeshCheck.C

\*---------------------------------------------------------------------------*/

#ifndef polyMeshCheck_H
#define polyMeshCheck_H

#include "polyMesh.H"
#include "primitiveMeshCheck.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

/*---------------------------------------------------------------------------*\
                        Namespace meshCheck Declaration
\*---------------------------------------------------------------------------*/

namespace meshCheck
{
    //- Generate orthogonality field. (1 for fully orthogonal, < 1 for
    //  non-orthogonal)
    tmp<scalarField> faceOrthogonality
    (
        const polyMesh& mesh,
        const vectorField& fAreas,
        const vectorField& cellCtrs
    );

    //- Generate skewness field
    tmp<scalarField> faceSkewness
    (
        const polyMesh& mesh,
        const pointField& points,
        const vectorField& fCtrs,
        const vectorField& fAreas,
        const vectorField& cellCtrs
    );

    //- Generate interpolation factors field
    tmp<scalarField> faceWeights
    (
        const polyMesh& mesh,
        const vectorField& fCtrs,
        const vectorField& fAreas,
        const vectorField& cellCtrs
    );

    //- Generate volume ratio field
    tmp<scalarField> volRatio
    (
        const polyMesh& mesh,
        const scalarField& vol
    );

    //- Check face orthogonality
    bool checkFaceOrthogonality
    (
        const polyMesh& mesh,
        const scalar nonOrthThreshold,
        const bool report = false,
        labelHashSet* setPtr = nullptr
    );

    //- Check face skewness
    bool checkFaceSkewness
    (
        const polyMesh& mesh,
        const scalar skewThreshold,
        const bool report = false,
        labelHashSet* setPtr = nullptr
    );

    //- Check edge alignment for 1D/2D cases
    bool checkEdgeAlignment
    (
        const polyMesh& mesh,
        const bool report,
        const Vector<label>& directions,
        labelHashSet* setPtr
    );

    bool checkCellDeterminant
    (
        const polyMesh& mesh,
        const bool report,
        labelHashSet* setPtr
    );

    //- Check for face weights
    bool checkFaceWeight
    (
        const polyMesh& mesh,
        const bool report,
        const scalar minWeight = 0.05,
        labelHashSet* setPtr = nullptr
    );

    //- Check for neighbouring cell volumes
    bool checkVolRatio
    (
        const polyMesh& mesh,
        const bool report,
        const scalar minRatio = 0.01,
        labelHashSet* setPtr = nullptr
    );

    //- Check face orthogonality
    bool checkFaceOrthogonality
    (
        const bool report,
        const scalar orthWarn,
        const polyMesh&,
        const vectorField& cellCentres,
        const vectorField& faceAreas,
        const labelList& checkFaces,
        const List<labelPair>& baffles,
        labelHashSet* setPtr
    );

    //- Check face pyramid volumes
    bool checkFacePyramids
    (
        const bool report,
        const scalar minPyrVol,
        const polyMesh&,
        const vectorField& cellCentres,
        const pointField& p,
        const labelList& checkFaces,
        const List<labelPair>& baffles,
        labelHashSet*
    );

    //- Check face tetrahedra volumes
    bool checkFaceTets
    (
        const bool report,
        const scalar minPyrVol,
        const polyMesh&,
        const vectorField& cellCentres,
        const vectorField& faceCentres,
        const pointField& p,
        const labelList& checkFaces,
        const List<labelPair>& baffles,
        labelHashSet*
    );

    //- Check face skewness
    bool checkFaceSkewness
    (
        const bool report,
        const scalar internalSkew,
        const scalar boundarySkew,
        const polyMesh& mesh,
        const pointField& points,
        const vectorField& cellCentres,
        const vectorField& faceCentres,
        const vectorField& faceAreas,
        const labelList& checkFaces,
        const List<labelPair>& baffles,
        labelHashSet* setPtr
    );

    //- Check interpolation weights (0.5 for regular mesh)
    bool checkFaceWeights
    (
        const bool report,
        const scalar warnWeight,
        const polyMesh& mesh,
        const vectorField& cellCentres,
        const vectorField& faceCentres,
        const vectorField& faceAreas,
        const labelList& checkFaces,
        const List<labelPair>& baffles,
        labelHashSet* setPtr
    );

    //- Cell volume ratio of neighbouring cells (1 for regular mesh)
    bool checkVolRatio
    (
        const bool report,
        const scalar warnRatio,
        const polyMesh& mesh,
        const scalarField& cellVolumes,
        const labelList& checkFaces,
        const List<labelPair>& baffles,
        labelHashSet* setPtr
    );

    //- Check convexity of angles in a face. See primitiveMesh for explanation.
    bool checkFaceAngles
    (
        const bool report,
        const scalar maxConcave,
        const polyMesh& mesh,
        const vectorField& faceAreas,
        const pointField& p,
        const labelList& checkFaces,
        labelHashSet* setPtr
    );

    //- Check the difference between normals of individual face-triangles (from
    //  face-centre decomposition) and the cell-cell centre vector
    bool checkFaceTwist
    (
        const bool report,
        const scalar minTwist,
        const polyMesh&,
        const vectorField& cellCentres,
        const vectorField& faceAreas,
        const vectorField& faceCentres,
        const pointField& p,
        const labelList& checkFaces,
        labelHashSet* setPtr
    );

    //- Check consecutive face-triangle (from face-centre decomposition) normals
    bool checkTriangleTwist
    (
        const bool report,
        const scalar minTwist,
        const polyMesh&,
        const vectorField& faceAreas,
        const vectorField& faceCentres,
        const pointField& p,
        const labelList& checkFaces,
        labelHashSet* setPtr
    );

    //- Check for face areas v.s. sum of face-triangle (from face-centre
    //  decomposition) areas
    bool checkFaceFlatness
    (
        const bool report,
        const scalar minFlatness,
        const polyMesh&,
        const vectorField& faceAreas,
        const vectorField& faceCentres,
        const pointField& p,
        const labelList& checkFaces,
        labelHashSet* setPtr
    );

    //- Check for small faces
    bool checkFaceArea
    (
        const bool report,
        const scalar minArea,
        const polyMesh&,
        const vectorField& faceAreas,
        const labelList& checkFaces,
        labelHashSet* setPtr
    );

    //- Check the area of internal faces v.s. boundary faces
    bool checkCellDeterminant
    (
        const bool report,
        const scalar minDet,
        const polyMesh&,
        const vectorField& faceAreas,
        const labelList& checkFaces,
        labelHashSet* setPtr
    );
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //