178 lines
5.0 KiB
C
178 lines
5.0 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Copyright (C) 2011-2018 OpenFOAM Foundation
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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
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the Free Software Foundation, either version 3 of the License, or
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(at your 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, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "polyMesh.H"
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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void Foam::polyMesh::initMesh()
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{
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if (debug)
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{
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InfoInFunction << "initialising primitiveMesh" << endl;
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}
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// For backward compatibility check if the neighbour array is the same
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// length as the owner and shrink to remove the -1s padding
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if (neighbour_.size() == owner_.size())
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{
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label nInternalFaces = 0;
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forAll(neighbour_, facei)
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{
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if (neighbour_[facei] == -1)
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{
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break;
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}
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else
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{
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nInternalFaces++;
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}
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}
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neighbour_.setSize(nInternalFaces);
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}
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label nCells = -1;
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forAll(owner_, facei)
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{
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if (owner_[facei] < 0)
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{
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FatalErrorInFunction
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<< "Illegal cell label " << owner_[facei]
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<< " in neighbour addressing for face " << facei
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<< exit(FatalError);
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}
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nCells = max(nCells, owner_[facei]);
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}
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// The neighbour array may or may not be the same length as the owner
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forAll(neighbour_, facei)
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{
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if (neighbour_[facei] < 0)
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{
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FatalErrorInFunction
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<< "Illegal cell label " << neighbour_[facei]
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<< " in neighbour addressing for face " << facei
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<< exit(FatalError);
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}
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nCells = max(nCells, neighbour_[facei]);
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}
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nCells++;
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// Reset the primitiveMesh with the sizes of the primitive arrays
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primitiveMesh::reset
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(
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points_.size(),
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neighbour_.size(),
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owner_.size(),
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nCells
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);
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string meshInfo =
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"nPoints:" + Foam::name(nPoints())
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+ " nCells:" + Foam::name(this->nCells())
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+ " nFaces:" + Foam::name(nFaces())
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+ " nInternalFaces:" + Foam::name(nInternalFaces());
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owner_.note() = meshInfo;
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neighbour_.note() = meshInfo;
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}
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void Foam::polyMesh::initMesh(cellList& c)
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{
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if (debug)
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{
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InfoInFunction << "Calculating owner-neighbour arrays" << endl;
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}
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owner_.setSize(faces_.size(), -1);
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neighbour_.setSize(faces_.size(), -1);
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boolList markedFaces(faces_.size(), false);
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label nInternalFaces = 0;
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forAll(c, celli)
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{
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// get reference to face labels for current cell
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const labelList& cellfaces = c[celli];
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forAll(cellfaces, facei)
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{
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if (cellfaces[facei] < 0)
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{
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FatalErrorInFunction
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<< "Illegal face label " << cellfaces[facei]
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<< " in cell " << celli
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<< exit(FatalError);
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}
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if (!markedFaces[cellfaces[facei]])
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{
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// First visit: owner
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owner_[cellfaces[facei]] = celli;
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markedFaces[cellfaces[facei]] = true;
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}
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else
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{
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// Second visit: neighbour
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neighbour_[cellfaces[facei]] = celli;
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nInternalFaces++;
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}
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}
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}
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// The neighbour array is initialised with the same length as the owner
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// padded with -1s and here it is truncated to the correct size of the
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// number of internal faces.
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neighbour_.setSize(nInternalFaces);
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// Reset the primitiveMesh
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primitiveMesh::reset
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(
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points_.size(),
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neighbour_.size(),
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owner_.size(),
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c.size(),
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c
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);
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string meshInfo =
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"nPoints: " + Foam::name(nPoints())
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+ " nCells: " + Foam::name(nCells())
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+ " nFaces: " + Foam::name(nFaces())
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+ " nInternalFaces: " + Foam::name(this->nInternalFaces());
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owner_.note() = meshInfo;
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neighbour_.note() = meshInfo;
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}
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// ************************************************************************* //
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