263 lines
8 KiB
C
263 lines
8 KiB
C
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Class
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meshDualiser
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Description
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Creates dual of polyMesh. Every point becomes a cell (or multiple cells
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for feature points), a walk around every edge creates faces between them.
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Put all points you want in the final mesh into featurePoints; all edge(mid)s
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you want in the final mesh into featureEdges; all face(centre)s in
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faceFaces.
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Usually to preserve boundaries:
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- all boundary faces are featureFaces
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- all edges and points inbetween different patches are
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featureEdges/points.
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In same way you can also preserve internal faces (e.g. faceZones)
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SourceFiles
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meshDualiser.C
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\*---------------------------------------------------------------------------*/
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#ifndef meshDualiser_H
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#define meshDualiser_H
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#include "DynamicList.H"
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#include "PackedBoolList.H"
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#include "boolList.H"
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#include "typeInfo.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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class polyMesh;
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class polyTopoChange;
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/*---------------------------------------------------------------------------*\
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Class meshDualiser Declaration
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\*---------------------------------------------------------------------------*/
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class meshDualiser
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{
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// Private data
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const polyMesh& mesh_;
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//- From point on cell to dual cell. Either single entry or
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// one entry per pointCells
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labelListList pointToDualCells_;
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//- From point to dual point (or -1 if not feature point).
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labelList pointToDualPoint_;
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//- From cell to dual point. All cells become point
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labelList cellToDualPoint_;
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//- From face to dual point (or -1 if not feature face)
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labelList faceToDualPoint_;
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//- From edge to dual point (or -1 if not feature edge)
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labelList edgeToDualPoint_;
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// Private Member Functions
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static void checkPolyTopoChange(const polyTopoChange&);
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static void dumpPolyTopoChange(const polyTopoChange&, const fileName&);
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//- Find dual cell given point and cell
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label findDualCell(const label cellI, const label pointI) const;
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//- Helper function to generate dualpoints on all boundary edges
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// emanating from (boundary & feature) point
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void generateDualBoundaryEdges
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(
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const PackedBoolList&,
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const label pointI,
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polyTopoChange&
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);
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//- Check that owner and neighbour of face have same dual cell
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bool sameDualCell
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(
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const label faceI,
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const label pointI
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) const;
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//- Add internal face
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label addInternalFace
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(
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const label masterPointI,
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const label masterEdgeI,
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const label masterFaceI,
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const bool edgeOrder,
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const label dualCell0,
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const label dualCell1,
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const DynamicList<label>& verts,
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polyTopoChange& meshMod
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) const;
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//- Add boundary face
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label addBoundaryFace
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(
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const label masterPointI,
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const label masterEdgeI,
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const label masterFaceI,
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const label dualCellI,
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const label patchI,
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const DynamicList<label>& verts,
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polyTopoChange& meshMod
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) const;
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//- Create internal faces walking around edge
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void createFacesAroundEdge
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(
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const bool splitFace,
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const PackedBoolList&,
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const label edgeI,
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const label startFaceI,
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polyTopoChange&,
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boolList& doneEFaces
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) const;
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//- Create single internal face from internal face
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void createFaceFromInternalFace
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(
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const label faceI,
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label& fp,
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polyTopoChange&
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) const;
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//- Creates boundary faces walking around point on patchI.
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void createFacesAroundBoundaryPoint
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(
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const label patchI,
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const label patchPointI,
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const label startFaceI,
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polyTopoChange&,
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boolList& donePFaces // pFaces visited
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) const;
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//- Disallow default bitwise copy construct
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meshDualiser(const meshDualiser&);
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//- Disallow default bitwise assignment
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void operator=(const meshDualiser&);
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public:
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//- Runtime type information
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ClassName("meshDualiser");
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// Constructors
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//- Construct from mesh
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meshDualiser(const polyMesh&);
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// Member Functions
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// Access
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//- From point on cell to dual cell. Either single entry or
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// one entry per pointCells.
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const labelListList& pointToDualCells() const
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{
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return pointToDualCells_;
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}
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//- From point to dual point (or -1 if not feature point).
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const labelList& pointToDualPoint() const
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{
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return pointToDualPoint_;
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}
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//- From cell to dual point (at cell centre). All cells become
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// points.
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const labelList& cellToDualPoint() const
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{
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return cellToDualPoint_;
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}
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//- From face to dual point (at face centre; or -1 if not
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// feature face).
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const labelList& faceToDualPoint() const
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{
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return faceToDualPoint_;
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}
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//- From edge to dual point (at edge mid; or -1 if not feature
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// edge).
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const labelList& edgeToDualPoint() const
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{
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return edgeToDualPoint_;
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}
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// Edit
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//- Insert all changes into meshMod to convert the polyMesh into
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// its dual.
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// featureFaces : faces where we want a point at the face centre
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// featureEdges : edges ,, edge mid
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// featurePoints : points ,, point. Two variants:
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// singleCellFeaturePoints : point becomes one dualcell.
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// Use this for e.g. convex boundary points.
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// multiCellFeaturePoints : one dualcell per original cell
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// around point. Use this for e.g. concave boundary points
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// since it prevents big concave boundary cells.
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void setRefinement
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(
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const bool splitFace,
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const labelList& featureFaces,
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const labelList& featureEdges,
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const labelList& singleCellFeaturePoints,
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const labelList& multiCellFeaturePoints,
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polyTopoChange& meshMod
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);
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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