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Creation of OpenFOAM-dev repository 15/04/2008
This commit is contained in:
OpenFOAM-admin
@ -0,0 +1,296 @@
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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 (C) 1991-2007 OpenCFD Ltd.
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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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\*---------------------------------------------------------------------------*/
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#include "refinementIterator.H"
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#include "polyMesh.H"
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#include "polyTopoChanger.H"
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#include "Time.H"
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#include "refineCell.H"
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#include "undoableMeshCutter.H"
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#include "polyTopoChange.H"
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#include "DynamicList.H"
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#include "mapPolyMesh.H"
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#include "cellCuts.H"
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#include "OFstream.H"
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#include "meshTools.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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defineTypeNameAndDebug(refinementIterator, 0);
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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// Construct from components
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Foam::refinementIterator::refinementIterator
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(
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polyMesh& mesh,
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undoableMeshCutter& meshRefiner,
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const cellLooper& cellWalker,
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const bool writeMesh
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)
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:
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edgeVertex(mesh),
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mesh_(mesh),
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meshRefiner_(meshRefiner),
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cellWalker_(cellWalker),
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writeMesh_(writeMesh)
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::refinementIterator::~refinementIterator()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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Foam::Map<Foam::label> Foam::refinementIterator::setRefinement
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(
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const List<refineCell>& refCells
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)
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{
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Map<label> addedCells(2*refCells.size());
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Time& runTime = const_cast<Time&>(mesh_.time());
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label nRefCells = refCells.size();
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label oldRefCells = -1;
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// Operate on copy.
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List<refineCell> currentRefCells(refCells);
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bool stop = false;
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do
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{
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if (writeMesh_)
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{
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// Need different times to write meshes.
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runTime++;
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}
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polyTopoChange meshMod(mesh_);
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if (debug)
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{
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Pout<< "refinementIterator : refining "
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<< currentRefCells.size() << " cells." << endl;
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}
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// Determine cut pattern.
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cellCuts cuts(mesh_, cellWalker_, currentRefCells);
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label nCuts = cuts.nLoops();
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reduce(nCuts, sumOp<label>());
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if (nCuts == 0)
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{
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if (debug)
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{
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Pout<< "refinementIterator : exiting iteration since no valid"
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<< " loops found for " << currentRefCells.size()
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<< " cells" << endl;
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fileName cutsFile("failedCuts_" + runTime.timeName() + ".obj");
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Pout<< "Writing cuts for time " << runTime.timeName()
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<< " to " << cutsFile << endl;
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OFstream cutsStream(cutsFile);
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labelList refCells(currentRefCells.size());
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forAll(currentRefCells, i)
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{
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refCells[i] = currentRefCells[i].cellNo();
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}
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meshTools::writeOBJ
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(
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cutsStream,
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mesh().cells(),
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mesh().faces(),
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mesh().points(),
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refCells
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);
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}
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break;
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}
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if (debug)
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{
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fileName cutsFile("cuts_" + runTime.timeName() + ".obj");
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Pout<< "Writing cuts for time " << runTime.timeName()
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<< " to " << cutsFile << endl;
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OFstream cutsStream(cutsFile);
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cuts.writeOBJ(cutsStream);
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}
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// Insert mesh refinement into polyTopoChange.
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meshRefiner_.setRefinement(cuts, meshMod);
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//
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// Do all changes
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//
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autoPtr<mapPolyMesh> morphMap = meshMod.changeMesh
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(
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mesh_,
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false
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);
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// Move mesh (since morphing does not do this)
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if (morphMap().hasMotionPoints())
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{
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mesh_.movePoints(morphMap().preMotionPoints());
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}
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// Update stored refinement pattern
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meshRefiner_.updateMesh(morphMap());
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// Write resulting mesh
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if (writeMesh_)
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{
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if (debug)
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{
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Pout<< "Writing refined polyMesh to time "
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<< runTime.timeName() << endl;
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}
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mesh_.write();
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}
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// Update currentRefCells for new cell numbers. Use helper function
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// in meshCutter class.
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updateLabels
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(
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morphMap->reverseCellMap(),
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currentRefCells
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);
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// Update addedCells for new cell numbers
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updateLabels
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(
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morphMap->reverseCellMap(),
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addedCells
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);
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// Get all added cells from cellCutter (already in new numbering
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// from meshRefiner.updateMesh call) and add to global list of added
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const Map<label>& addedNow = meshRefiner_.addedCells();
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for
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(
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Map<label>::const_iterator iter = addedNow.begin();
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iter != addedNow.end();
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++iter
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)
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{
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if (!addedCells.insert(iter.key(), iter()))
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{
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FatalErrorIn("refinementIterator")
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<< "Master cell " << iter.key()
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<< " already has been refined" << endl
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<< "Added cell:" << iter() << abort(FatalError);
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}
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}
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// Get failed refinement in new cell numbering and reconstruct input
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// to the meshRefiner. Is done by removing all refined cells from
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// current list of cells to refine.
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// Update refCells for new cell numbers.
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updateLabels
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(
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morphMap->reverseCellMap(),
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currentRefCells
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);
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// Pack refCells acc. to refined status
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nRefCells = 0;
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forAll(currentRefCells, refI)
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{
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const refineCell& refCell = currentRefCells[refI];
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if (!addedNow.found(refCell.cellNo()))
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{
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if (nRefCells != refI)
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{
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currentRefCells[nRefCells++] =
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refineCell
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(
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refCell.cellNo(),
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refCell.direction()
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);
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}
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}
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}
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oldRefCells = currentRefCells.size();
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currentRefCells.setSize(nRefCells);
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if (debug)
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{
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Pout<< endl;
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}
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// Stop only if all finished or all can't refine any further.
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stop = (nRefCells == 0) || (nRefCells == oldRefCells);
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reduce(stop, andOp<bool>());
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}
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while (!stop);
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if (nRefCells == oldRefCells)
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{
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WarningIn("refinementIterator")
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<< "stopped refining."
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<< "Did not manage to refine a single cell" << endl
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<< "Wanted :" << oldRefCells << endl;
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}
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return addedCells;
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}
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// ************************************************************************* //
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