/usr/include/freefoam/dynamicMesh/polyMeshGeometry.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ 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::polyMeshGeometry
Description
Updateable mesh geometry and checking routines.
- non-ortho done across coupled faces.
- faceWeight (delta factors) done across coupled faces.
SourceFiles
polyMeshGeometry.C
\*---------------------------------------------------------------------------*/
#ifndef polyMeshGeometry_H
#define polyMeshGeometry_H
#include <OpenFOAM/pointFields.H>
#include <OpenFOAM/HashSet.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class polyMeshGeometry Declaration
\*---------------------------------------------------------------------------*/
class polyMeshGeometry
{
//- Reference to polyMesh.
const polyMesh& 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
);
//- Detect&report non-ortho error for single face.
static scalar checkNonOrtho
(
const polyMesh& mesh,
const bool report,
const scalar severeNonorthogonalityThreshold,
const label faceI,
const vector& s, // face area vector
const vector& d, // cc-cc vector
label& severeNonOrth,
label& errorNonOrth,
labelHashSet* setPtr
);
//- Calculate skewness given two cell centres and one face centre.
static scalar calcSkewness
(
const point& ownCc,
const point& neiCc,
const point& fc
);
public:
ClassName("polyMeshGeometry");
// Constructors
//- Construct from mesh
polyMeshGeometry(const polyMesh&);
// Member Functions
// Access
const polyMesh& 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
static labelList affectedCells
(
const polyMesh&,
const labelList& changedFaces
);
// Checking of selected faces with supplied geometry (mesh only used for
// topology). Coupled aware (coupled faces treated as internal ones)
//- See primitiveMesh
static bool checkFaceDotProduct
(
const bool report,
const scalar orthWarn,
const polyMesh&,
const vectorField& cellCentres,
const vectorField& faceAreas,
const labelList& checkFaces,
const List<labelPair>& baffles,
labelHashSet* setPtr
);
//- See primitiveMesh
static bool checkFacePyramids
(
const bool report,
const scalar minPyrVol,
const polyMesh&,
const vectorField& cellCentres,
const pointField& p,
const labelList& checkFaces,
const List<labelPair>& baffles,
labelHashSet*
);
//- See primitiveMesh
static bool checkFaceSkewness
(
const bool report,
const scalar internalSkew,
const scalar boundarySkew,
const polyMesh& mesh,
const vectorField& cellCentres,
const vectorField& faceCentres,
const vectorField& faceAreas,
const labelList& checkFaces,
const List<labelPair>& baffles,
labelHashSet* setPtr
);
//- Interpolation weights (0.5 for regular mesh)
static 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)
static bool checkVolRatio
(
const bool report,
const scalar warnRatio,
const polyMesh& mesh,
const scalarField& cellVolumes,
const labelList& checkFaces,
const List<labelPair>& baffles,
labelHashSet* setPtr
);
//- See primitiveMesh
static bool checkFaceAngles
(
const bool report,
const scalar maxDeg,
const polyMesh& mesh,
const vectorField& faceAreas,
const pointField& p,
const labelList& checkFaces,
labelHashSet* setPtr
);
//- Triangle (from face-centre decomposition) normal v.s.
// average face normal
static 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
);
//- Consecutive triangle (from face-centre decomposition) normals
static bool checkTriangleTwist
(
const bool report,
const scalar minTwist,
const polyMesh&,
const vectorField& faceAreas,
const vectorField& faceCentres,
const pointField& p,
const labelList& checkFaces,
labelHashSet* setPtr
);
//- Small faces
static bool checkFaceArea
(
const bool report,
const scalar minArea,
const polyMesh&,
const vectorField& faceAreas,
const labelList& checkFaces,
labelHashSet* setPtr
);
static bool checkCellDeterminant
(
const bool report,
const scalar minDet,
const polyMesh&,
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,
const List<labelPair>& baffles,
labelHashSet* setPtr
) const;
bool checkFacePyramids
(
const bool report,
const scalar minPyrVol,
const pointField& p,
const labelList& checkFaces,
const List<labelPair>& baffles,
labelHashSet* setPtr
) const;
bool checkFaceSkewness
(
const bool report,
const scalar internalSkew,
const scalar boundarySkew,
const labelList& checkFaces,
const List<labelPair>& baffles,
labelHashSet* setPtr
) const;
bool checkFaceWeights
(
const bool report,
const scalar warnWeight,
const labelList& checkFaces,
const List<labelPair>& baffles,
labelHashSet* setPtr
) const;
bool checkVolRatio
(
const bool report,
const scalar warnRatio,
const labelList& checkFaces,
const List<labelPair>& baffles,
labelHashSet* setPtr
) const;
bool checkFaceAngles
(
const bool report,
const scalar maxDeg,
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 checkTriangleTwist
(
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
// ************************ vim: set sw=4 sts=4 et: ************************ //
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