196 lines
5.5 KiB
C
196 lines
5.5 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.0
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Description
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Refines a hex mesh by 2x2x2 cell splitting.
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\*---------------------------------------------------------------------------*/
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#include "fvMesh.H"
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#include "pointMesh.H"
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#include "argList.H"
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#include "foamTime.H"
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#include "hexRef8.H"
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#include "cellSet.H"
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#include "OFstream.H"
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#include "meshTools.H"
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#include "IFstream.H"
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#include "directTopoChange.H"
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#include "mapPolyMesh.H"
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#include "volMesh.H"
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#include "surfaceMesh.H"
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#include "volFields.H"
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#include "surfaceFields.H"
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#include "pointFields.H"
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#include "ReadFields.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Main program:
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int main(int argc, char *argv[])
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{
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argList::validOptions.insert("overwrite", "");
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argList::validArgs.append("cellSet");
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# include "setRootCase.H"
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# include "createTime.H"
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runTime.functionObjects().off();
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# include "createMesh.H"
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const word oldInstance = mesh.pointsInstance();
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const pointMesh& pMesh = pointMesh::New(mesh);
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word cellSetName(args.args()[1]);
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bool overwrite = args.optionFound("overwrite");
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Info<< "Reading cells to refine from cellSet " << cellSetName
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<< nl << endl;
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cellSet cellsToRefine(mesh, cellSetName);
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Info<< "Read " << returnReduce(cellsToRefine.size(), sumOp<label>())
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<< " cells to refine from cellSet " << cellSetName << nl
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<< endl;
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// Read objects in time directory
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IOobjectList objects(mesh, runTime.timeName());
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// Read vol fields.
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PtrList<volScalarField> vsFlds;
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ReadFields(mesh, objects, vsFlds);
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PtrList<volVectorField> vvFlds;
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ReadFields(mesh, objects, vvFlds);
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PtrList<volSphericalTensorField> vstFlds;
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ReadFields(mesh, objects, vstFlds);
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PtrList<volSymmTensorField> vsymtFlds;
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ReadFields(mesh, objects, vsymtFlds);
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PtrList<volTensorField> vtFlds;
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ReadFields(mesh, objects, vtFlds);
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// Read surface fields.
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PtrList<surfaceScalarField> ssFlds;
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ReadFields(mesh, objects, ssFlds);
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PtrList<surfaceVectorField> svFlds;
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ReadFields(mesh, objects, svFlds);
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PtrList<surfaceSphericalTensorField> sstFlds;
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ReadFields(mesh, objects, sstFlds);
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PtrList<surfaceSymmTensorField> ssymtFlds;
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ReadFields(mesh, objects, ssymtFlds);
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PtrList<surfaceTensorField> stFlds;
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ReadFields(mesh, objects, stFlds);
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// Read point fields
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PtrList<pointScalarField> psFlds;
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ReadFields(pMesh, objects, psFlds);
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PtrList<pointVectorField> pvFlds;
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ReadFields(pMesh, objects, pvFlds);
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// Construct refiner without unrefinement. Read existing point/cell level.
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hexRef8 meshCutter(mesh);
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// Some stats
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Info<< "Read mesh:" << nl
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<< " cells:" << mesh.globalData().nTotalCells() << nl
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<< " faces:" << mesh.globalData().nTotalFaces() << nl
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<< " points:" << mesh.globalData().nTotalPoints() << nl
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<< " cellLevel :"
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<< " min:" << gMin(meshCutter.cellLevel())
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<< " max:" << gMax(meshCutter.cellLevel()) << nl
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<< " pointLevel :"
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<< " min:" << gMin(meshCutter.pointLevel())
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<< " max:" << gMax(meshCutter.pointLevel()) << nl
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<< endl;
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// Maintain 2:1 ratio
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labelList newCellsToRefine
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(
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meshCutter.consistentRefinement
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(
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cellsToRefine.toc(),
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true // extend set
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)
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);
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// Mesh changing engine.
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directTopoChange meshMod(mesh);
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// Play refinement commands into mesh changer.
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meshCutter.setRefinement(newCellsToRefine, meshMod);
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if (!overwrite)
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{
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runTime++;
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}
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// Create mesh, return map from old to new mesh.
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autoPtr<mapPolyMesh> map = meshMod.changeMesh(mesh, false);
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// Update fields
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mesh.updateMesh(map);
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// Update numbering of cells/vertices.
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meshCutter.updateMesh(map);
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// Optionally inflate mesh
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if (map().hasMotionPoints())
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{
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mesh.movePoints(map().preMotionPoints());
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}
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Pout<< "Refined from " << returnReduce(map().nOldCells(), sumOp<label>())
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<< " to " << mesh.globalData().nTotalCells() << " cells."
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<< nl << endl;
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if (overwrite)
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{
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mesh.setInstance(oldInstance);
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meshCutter.setInstance(oldInstance);
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}
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Info<< "Writing mesh to " << runTime.timeName() << endl;
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mesh.write();
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meshCutter.write();
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Info<< "End\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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