cellDistFuncs.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::cellDistFuncs
 
Description
    Collection of functions used in wall distance calculation.
 
SourceFiles
    cellDistFuncs.C
    cellDistFuncsTemplates.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef cellDistFuncs_H
#define cellDistFuncs_H
 
#include "scalarField.H"
#include "HashSet.H"
#include "Map.H"
#include "wordReList.H"
#include "scalarField.H"
#include "point.H"
#include "primitivePatch.H"
#include "className.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of classes
class polyMesh;
class polyPatch;
class polyBoundaryMesh;
 
/*---------------------------------------------------------------------------*\
                           Class cellDistFuncs Declaration
\*---------------------------------------------------------------------------*/
 
class cellDistFuncs
{
    // Private Member Data
 
        //- Reference to mesh
        const polyMesh& mesh_;
 
 
    // Private Member Functions
 
        //- Search for element in first n elements of labelList. Return index
        //  or -1.
        static label findIndex(const label n, const labelList&, const label);
 
 
        //- Disallow default bitwise copy construct
        cellDistFuncs(const cellDistFuncs&);
 
        //- Disallow default bitwise assignment
        void operator=(const cellDistFuncs&);
 
public:
 
    ClassName("cellDistFuncs");
 
    // Constructors
 
        //- Construct from mesh
        cellDistFuncs(const polyMesh& mesh);
 
 
    // Member Functions
 
        //- Access mesh
        const polyMesh& mesh() const
        {
            return mesh_;
        }
 
        //- Return the set of patch IDs corresponding to the given names
        labelHashSet getPatchIDs(const wordReList& patchNames) const;
 
        //- Get patchIDs of/derived off certain type (e.g. 'processorPolyPatch')
        //  Uses isA, not isType
        template<class Type>
        labelHashSet getPatchIDs() const;
 
        //- Calculate smallest true distance (and face index)
        //  from pt to faces wallFaces.
        //  For efficiency reasons we still pass in patch instead of extracting
        //  it from mesh_
        scalar smallestDist
        (
            const point& p,
            const polyPatch& patch,
            const label nWallFaces,
            const labelList& wallFaces,
            label& meshFaceI
        ) const;
 
        //- Get faces sharing point with face on patch
        label getPointNeighbours
        (
            const primitivePatch&,
            const label patchFaceI,
            labelList&
        ) const;
 
        //- Size of largest patch (out of supplied subset of patches)
        label maxPatchSize(const labelHashSet& patchIDs) const;
 
        //- Sum of patch sizes (out of supplied subset of patches).
        //  Used in sizing arrays.
        label sumPatchSize(const labelHashSet& patchIDs) const;
 
        //- Correct all cells connected to boundary (via face). Sets values in
        //  wallDistCorrected. Sets nearest wallface in nearestFace.
        void correctBoundaryFaceCells
        (
            const labelHashSet& patchIDs,
            scalarField& wallDistCorrected,
            Map<label>& nearestFace
        ) const;
 
 
        //- Correct all cells connected to wall (via point). Sets values in
        //  wallDistCorrected. Uses/sets nearest wallFace in nearestFace.
        void correctBoundaryPointCells
        (
            const labelHashSet& patchIDs,
            scalarField& wallDistCorrected,
            Map<label>& nearestFace
        ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
#   include "cellDistFuncsTemplates.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //