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[OpenFOAM-2.0.x.git] / src / meshTools / sets / cellSources / nbrToCell / nbrToCell.C
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1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
4    \\    /   O peration     |
5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
6      \\/     M anipulation  |
7 -------------------------------------------------------------------------------
8 License
9     This file is part of OpenFOAM.
11     OpenFOAM is free software: you can redistribute it and/or modify it
12     under the terms of the GNU General Public License as published by
13     the Free Software Foundation, either version 3 of the License, or
14     (at your option) any later version.
16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
19     for more details.
21     You should have received a copy of the GNU General Public License
22     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #include "nbrToCell.H"
27 #include "polyMesh.H"
29 #include "addToRunTimeSelectionTable.H"
31 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
33 namespace Foam
36 defineTypeNameAndDebug(nbrToCell, 0);
38 addToRunTimeSelectionTable(topoSetSource, nbrToCell, word);
40 addToRunTimeSelectionTable(topoSetSource, nbrToCell, istream);
45 Foam::topoSetSource::addToUsageTable Foam::nbrToCell::usage_
47     nbrToCell::typeName,
48     "\n    Usage: nbrToCell <nNeighbours>\n\n"
49     "    Select all cells with <= nNeighbours neighbouring cells\n\n"
53 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
55 void Foam::nbrToCell::combine(topoSet& set, const bool add) const
57     const cellList& cells = mesh().cells();
58     const polyBoundaryMesh& patches = mesh_.boundaryMesh();
60     boolList isCoupled(mesh_.nFaces()-mesh_.nInternalFaces(), false);
62     forAll(patches, patchI)
63     {
64         const polyPatch& pp = patches[patchI];
66         if (pp.coupled())
67         {
68             label faceI = pp.start();
69             forAll(pp, i)
70             {
71                 isCoupled[faceI-mesh_.nInternalFaces()] = true;
72                 faceI++;
73             }
74         }
75     }
77     forAll(cells, cellI)
78     {
79         const cell& cFaces = cells[cellI];
81         label nNbrCells = 0;
83         forAll(cFaces, i)
84         {
85             label faceI = cFaces[i];
87             if (mesh_.isInternalFace(faceI))
88             {
89                 nNbrCells++;
90             }
91             else if (isCoupled[faceI-mesh_.nInternalFaces()])
92             {
93                 nNbrCells++;
94             }
95         }
97         if (nNbrCells <= minNbrs_)
98         {
99             addOrDelete(set, cellI, add);
100         }
101     }
105 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
107 // Construct from components
108 Foam::nbrToCell::nbrToCell
110     const polyMesh& mesh,
111     const label minNbrs
114     topoSetSource(mesh),
115     minNbrs_(minNbrs)
119 // Construct from dictionary
120 Foam::nbrToCell::nbrToCell
122     const polyMesh& mesh,
123     const dictionary& dict
126     topoSetSource(mesh),
127     minNbrs_(readLabel(dict.lookup("neighbours")))
131 // Construct from Istream
132 Foam::nbrToCell::nbrToCell
134     const polyMesh& mesh,
135     Istream& is
138     topoSetSource(mesh),
139     minNbrs_(readLabel(checkIs(is)))
143 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
145 Foam::nbrToCell::~nbrToCell()
149 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
151 void Foam::nbrToCell::applyToSet
153     const topoSetSource::setAction action,
154     topoSet& set
155 ) const
157     if ((action == topoSetSource::NEW) || (action == topoSetSource::ADD))
158     {
159         Info<< "    Adding cells with only " << minNbrs_ << " or less"
160                 " neighbouring cells" << " ..." << endl;
162         combine(set, true);
163     }
164     else if (action == topoSetSource::DELETE)
165     {
166         Info<< "    Removing cells with only " << minNbrs_ << " or less"
167                 " neighbouring cells" << " ..." << endl;
169         combine(set, false);
170     }
174 // ************************************************************************* //