708 lines
19 KiB
C
708 lines
19 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 anispulation |
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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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Application
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renumberMesh
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Description
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Renumbers the cell list in order to reduce the bandwidth, reading and
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renumbering all fields from all the time directories.
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "IOobjectList.H"
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#include "fvMesh.H"
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#include "directTopoChange.H"
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#include "ReadFields.H"
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#include "volFields.H"
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#include "surfaceFields.H"
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#include "bandCompression.H"
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#include "faceSet.H"
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#include "SortableList.H"
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#include "decompositionMethod.H"
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#include "fvMeshSubset.H"
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#include "zeroGradientFvPatchFields.H"
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using namespace Foam;
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// Calculate band of matrix
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label getBand(const labelList& owner, const labelList& neighbour)
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{
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label band = 0;
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forAll(neighbour, faceI)
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{
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label diff = neighbour[faceI] - owner[faceI];
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if (diff > band)
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{
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band = diff;
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}
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}
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return band;
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}
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// Return new to old cell numbering
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labelList regionBandCompression
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(
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const fvMesh& mesh,
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const labelList& cellToRegion
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)
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{
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Pout<< "Determining cell order:" << endl;
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labelList cellOrder(cellToRegion.size());
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label nRegions = max(cellToRegion)+1;
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labelListList regionToCells(invertOneToMany(nRegions, cellToRegion));
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label cellI = 0;
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forAll(regionToCells, regionI)
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{
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Pout<< " region " << regionI << " starts at " << cellI << endl;
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// Per region do a reordering.
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fvMeshSubset subsetter
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(
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IOobject
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(
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"set",
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mesh.time().timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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mesh
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);
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subsetter.setLargeCellSubset(cellToRegion, regionI);
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const fvMesh& subMesh = subsetter.subMesh();
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labelList subCellOrder(bandCompression(subMesh.cellCells()));
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const labelList& cellMap = subsetter.cellMap();
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forAll(subCellOrder, i)
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{
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cellOrder[cellI++] = cellMap[subCellOrder[i]];
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}
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}
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Pout<< endl;
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return cellOrder;
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}
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// Determine face order such that inside region faces are sorted
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// upper-triangular but inbetween region faces are handled like boundary faces.
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labelList regionFaceOrder
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(
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const primitiveMesh& mesh,
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const labelList& cellOrder, // new to old cell
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const labelList& cellToRegion // old cell to region
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)
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{
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Pout<< "Determining face order:" << endl;
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labelList reverseCellOrder(invert(cellOrder.size(), cellOrder));
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labelList oldToNewFace(mesh.nFaces(), -1);
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label newFaceI = 0;
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label prevRegion = -1;
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forAll (cellOrder, newCellI)
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{
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label oldCellI = cellOrder[newCellI];
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if (cellToRegion[oldCellI] != prevRegion)
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{
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prevRegion = cellToRegion[oldCellI];
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Pout<< " region " << prevRegion << " internal faces start at "
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<< newFaceI << endl;
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}
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const cell& cFaces = mesh.cells()[oldCellI];
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SortableList<label> nbr(cFaces.size());
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forAll(cFaces, i)
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{
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label faceI = cFaces[i];
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if (mesh.isInternalFace(faceI))
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{
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// Internal face. Get cell on other side.
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label nbrCellI = reverseCellOrder[mesh.faceNeighbour()[faceI]];
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if (nbrCellI == newCellI)
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{
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nbrCellI = reverseCellOrder[mesh.faceOwner()[faceI]];
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}
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if (cellToRegion[oldCellI] != cellToRegion[cellOrder[nbrCellI]])
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{
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// Treat like external face. Do later.
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nbr[i] = -1;
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}
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else if (newCellI < nbrCellI)
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{
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// CellI is master
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nbr[i] = nbrCellI;
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}
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else
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{
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// nbrCell is master. Let it handle this face.
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nbr[i] = -1;
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}
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}
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else
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{
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// External face. Do later.
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nbr[i] = -1;
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}
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}
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nbr.sort();
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forAll(nbr, i)
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{
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if (nbr[i] != -1)
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{
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oldToNewFace[cFaces[nbr.indices()[i]]] = newFaceI++;
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}
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}
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}
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// Do region interfaces
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label nRegions = max(cellToRegion)+1;
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{
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// Sort in increasing region
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SortableList<label> sortKey(mesh.nFaces(), labelMax);
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for (label faceI = 0; faceI < mesh.nInternalFaces(); faceI++)
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{
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label ownRegion = cellToRegion[mesh.faceOwner()[faceI]];
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label neiRegion = cellToRegion[mesh.faceNeighbour()[faceI]];
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if (ownRegion != neiRegion)
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{
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sortKey[faceI] =
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min(ownRegion, neiRegion)*nRegions
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+max(ownRegion, neiRegion);
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}
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}
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sortKey.sort();
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// Extract.
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label prevKey = -1;
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forAll(sortKey, i)
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{
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label key = sortKey[i];
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if (key == labelMax)
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{
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break;
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}
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if (prevKey != key)
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{
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Pout<< " faces inbetween region " << key/nRegions
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<< " and " << key%nRegions
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<< " start at " << newFaceI << endl;
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prevKey = key;
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}
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oldToNewFace[sortKey.indices()[i]] = newFaceI++;
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}
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}
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// Leave patch faces intact.
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for (label faceI = newFaceI; faceI < mesh.nFaces(); faceI++)
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{
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oldToNewFace[faceI] = faceI;
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}
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// Check done all faces.
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forAll(oldToNewFace, faceI)
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{
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if (oldToNewFace[faceI] == -1)
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{
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FatalErrorIn
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(
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"polyDualMesh::getFaceOrder"
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"(const labelList&, const labelList&, const label) const"
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) << "Did not determine new position"
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<< " for face " << faceI
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<< abort(FatalError);
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}
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}
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Pout<< endl;
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return invert(mesh.nFaces(), oldToNewFace);
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}
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// cellOrder: old cell for every new cell
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// faceOrder: old face for every new face. Ordering of boundary faces not
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// changed.
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autoPtr<mapPolyMesh> reorderMesh
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(
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polyMesh& mesh,
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const labelList& cellOrder,
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const labelList& faceOrder
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)
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{
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labelList reverseCellOrder(invert(cellOrder.size(), cellOrder));
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labelList reverseFaceOrder(invert(faceOrder.size(), faceOrder));
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faceList newFaces(reorder(reverseFaceOrder, mesh.faces()));
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labelList newOwner
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(
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renumber
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(
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reverseCellOrder,
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reorder(reverseFaceOrder, mesh.faceOwner())
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)
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);
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labelList newNeighbour
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(
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renumber
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(
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reverseCellOrder,
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reorder(reverseFaceOrder, mesh.faceNeighbour())
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)
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);
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// Check if any faces need swapping.
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forAll(newNeighbour, faceI)
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{
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label own = newOwner[faceI];
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label nei = newNeighbour[faceI];
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if (nei < own)
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{
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newFaces[faceI] = newFaces[faceI].reverseFace();
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Swap(newOwner[faceI], newNeighbour[faceI]);
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}
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}
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const polyBoundaryMesh& patches = mesh.boundaryMesh();
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labelList patchSizes(patches.size());
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labelList patchStarts(patches.size());
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labelList oldPatchNMeshPoints(patches.size());
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labelListList patchPointMap(patches.size());
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forAll(patches, patchI)
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{
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patchSizes[patchI] = patches[patchI].size();
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patchStarts[patchI] = patches[patchI].start();
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oldPatchNMeshPoints[patchI] = patches[patchI].nPoints();
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patchPointMap[patchI] = identity(patches[patchI].nPoints());
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}
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mesh.resetPrimitives
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(
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mesh.nFaces(),
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mesh.points(),
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newFaces,
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newOwner,
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newNeighbour,
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patchSizes,
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patchStarts
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);
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return autoPtr<mapPolyMesh>
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(
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new mapPolyMesh
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(
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mesh, //const polyMesh& mesh,
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mesh.nPoints(), // nOldPoints,
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mesh.nFaces(), // nOldFaces,
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mesh.nCells(), // nOldCells,
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identity(mesh.nPoints()), // pointMap,
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List<objectMap>(0), // pointsFromPoints,
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faceOrder, // faceMap,
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List<objectMap>(0), // facesFromPoints,
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List<objectMap>(0), // facesFromEdges,
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List<objectMap>(0), // facesFromFaces,
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cellOrder, // cellMap,
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List<objectMap>(0), // cellsFromPoints,
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List<objectMap>(0), // cellsFromEdges,
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List<objectMap>(0), // cellsFromFaces,
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List<objectMap>(0), // cellsFromCells,
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identity(mesh.nPoints()), // reversePointMap,
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reverseFaceOrder, // reverseFaceMap,
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reverseCellOrder, // reverseCellMap,
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labelHashSet(0), // flipFaceFlux,
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patchPointMap, // patchPointMap,
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labelListList(0), // pointZoneMap,
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labelListList(0), // faceZonePointMap,
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labelListList(0), // faceZoneFaceMap,
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labelListList(0), // cellZoneMap,
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pointField(0), // preMotionPoints,
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patchStarts, // oldPatchStarts,
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oldPatchNMeshPoints // oldPatchNMeshPoints
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)
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);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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argList::validOptions.insert("blockOrder", "");
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argList::validOptions.insert("orderPoints", "");
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argList::validOptions.insert("writeMaps", "");
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argList::validOptions.insert("overwrite", "");
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# include "addTimeOptions.H"
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# include "setRootCase.H"
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# include "createTime.H"
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// Get times list
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instantList Times = runTime.times();
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// set startTime and endTime depending on -time and -latestTime options
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# include "checkTimeOptions.H"
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runTime.setTime(Times[startTime], startTime);
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# include "createMesh.H"
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const bool blockOrder = args.options().found("blockOrder");
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if (blockOrder)
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{
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Info<< "Ordering cells into regions (using decomposition);"
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<< " ordering faces into region-internal and region-external." << nl
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<< endl;
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}
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|
|
const bool orderPoints = args.options().found("orderPoints");
|
||
|
|
|
||
|
|
if (orderPoints)
|
||
|
|
{
|
||
|
|
Info<< "Ordering points into internal and boundary points." << nl
|
||
|
|
<< endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
const bool writeMaps = args.options().found("writeMaps");
|
||
|
|
|
||
|
|
if (writeMaps)
|
||
|
|
{
|
||
|
|
Info<< "Writing renumber maps (new to old) to polyMesh." << nl
|
||
|
|
<< endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool overwrite = args.options().found("overwrite");
|
||
|
|
|
||
|
|
label band = getBand(mesh.faceOwner(), mesh.faceNeighbour());
|
||
|
|
|
||
|
|
Info<< "Mesh size: " << returnReduce(mesh.nCells(), sumOp<label>()) << nl
|
||
|
|
<< "Band before renumbering: "
|
||
|
|
<< returnReduce(band, maxOp<label>()) << nl << endl;
|
||
|
|
|
||
|
|
// Read objects in time directory
|
||
|
|
IOobjectList objects(mesh, runTime.timeName());
|
||
|
|
|
||
|
|
// Read vol fields.
|
||
|
|
|
||
|
|
PtrList<volScalarField> vsFlds;
|
||
|
|
ReadFields(mesh, objects, vsFlds);
|
||
|
|
|
||
|
|
PtrList<volVectorField> vvFlds;
|
||
|
|
ReadFields(mesh, objects, vvFlds);
|
||
|
|
|
||
|
|
PtrList<volSphericalTensorField> vstFlds;
|
||
|
|
ReadFields(mesh, objects, vstFlds);
|
||
|
|
|
||
|
|
PtrList<volSymmTensorField> vsymtFlds;
|
||
|
|
ReadFields(mesh, objects, vsymtFlds);
|
||
|
|
|
||
|
|
PtrList<volTensorField> vtFlds;
|
||
|
|
ReadFields(mesh, objects, vtFlds);
|
||
|
|
|
||
|
|
// Read surface fields.
|
||
|
|
|
||
|
|
PtrList<surfaceScalarField> ssFlds;
|
||
|
|
ReadFields(mesh, objects, ssFlds);
|
||
|
|
|
||
|
|
PtrList<surfaceVectorField> svFlds;
|
||
|
|
ReadFields(mesh, objects, svFlds);
|
||
|
|
|
||
|
|
PtrList<surfaceSphericalTensorField> sstFlds;
|
||
|
|
ReadFields(mesh, objects, sstFlds);
|
||
|
|
|
||
|
|
PtrList<surfaceSymmTensorField> ssymtFlds;
|
||
|
|
ReadFields(mesh, objects, ssymtFlds);
|
||
|
|
|
||
|
|
PtrList<surfaceTensorField> stFlds;
|
||
|
|
ReadFields(mesh, objects, stFlds);
|
||
|
|
|
||
|
|
|
||
|
|
autoPtr<mapPolyMesh> map;
|
||
|
|
|
||
|
|
if (blockOrder)
|
||
|
|
{
|
||
|
|
// Renumbering in two phases. Should be done in one so mapping of
|
||
|
|
// fields is done correctly!
|
||
|
|
|
||
|
|
// Read decomposePar dictionary
|
||
|
|
IOdictionary decomposeDict
|
||
|
|
(
|
||
|
|
IOobject
|
||
|
|
(
|
||
|
|
"decomposeParDict",
|
||
|
|
runTime.system(),
|
||
|
|
mesh,
|
||
|
|
IOobject::MUST_READ,
|
||
|
|
IOobject::NO_WRITE
|
||
|
|
)
|
||
|
|
);
|
||
|
|
autoPtr<decompositionMethod> decomposePtr = decompositionMethod::New
|
||
|
|
(
|
||
|
|
decomposeDict,
|
||
|
|
mesh
|
||
|
|
);
|
||
|
|
|
||
|
|
labelList cellToRegion(decomposePtr().decompose(mesh.cellCentres()));
|
||
|
|
|
||
|
|
// For debugging: write out region
|
||
|
|
{
|
||
|
|
volScalarField cellDist
|
||
|
|
(
|
||
|
|
IOobject
|
||
|
|
(
|
||
|
|
"cellDist",
|
||
|
|
runTime.timeName(),
|
||
|
|
mesh,
|
||
|
|
IOobject::NO_READ,
|
||
|
|
IOobject::NO_WRITE,
|
||
|
|
false
|
||
|
|
),
|
||
|
|
mesh,
|
||
|
|
dimensionedScalar("cellDist", dimless, 0),
|
||
|
|
zeroGradientFvPatchScalarField::typeName
|
||
|
|
);
|
||
|
|
|
||
|
|
forAll(cellToRegion, cellI)
|
||
|
|
{
|
||
|
|
cellDist[cellI] = cellToRegion[cellI];
|
||
|
|
}
|
||
|
|
|
||
|
|
cellDist.write();
|
||
|
|
|
||
|
|
Info<< nl << "Written decomposition as volScalarField to "
|
||
|
|
<< cellDist.name() << " for use in postprocessing."
|
||
|
|
<< nl << endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Use block based renumbering.
|
||
|
|
//labelList cellOrder(bandCompression(mesh.cellCells()));
|
||
|
|
labelList cellOrder(regionBandCompression(mesh, cellToRegion));
|
||
|
|
|
||
|
|
// Determine new to old face order with new cell numbering
|
||
|
|
labelList faceOrder
|
||
|
|
(
|
||
|
|
regionFaceOrder
|
||
|
|
(
|
||
|
|
mesh,
|
||
|
|
cellOrder,
|
||
|
|
cellToRegion
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
if (!overwrite)
|
||
|
|
{
|
||
|
|
runTime++;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Change the mesh.
|
||
|
|
map = reorderMesh(mesh, cellOrder, faceOrder);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Use built-in renumbering.
|
||
|
|
|
||
|
|
directTopoChange meshMod(mesh);
|
||
|
|
|
||
|
|
if (!overwrite)
|
||
|
|
{
|
||
|
|
runTime++;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Change the mesh.
|
||
|
|
map = meshMod.changeMesh
|
||
|
|
(
|
||
|
|
mesh,
|
||
|
|
false, // inflate
|
||
|
|
true, // parallel sync
|
||
|
|
true, // cell ordering
|
||
|
|
orderPoints // point ordering
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Update fields
|
||
|
|
mesh.updateMesh(map);
|
||
|
|
|
||
|
|
// Move mesh (since morphing might not do this)
|
||
|
|
if (map().hasMotionPoints())
|
||
|
|
{
|
||
|
|
mesh.movePoints(map().preMotionPoints());
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
band = getBand(mesh.faceOwner(), mesh.faceNeighbour());
|
||
|
|
|
||
|
|
Info<< "Band after renumbering: "
|
||
|
|
<< returnReduce(band, maxOp<label>()) << nl << endl;
|
||
|
|
|
||
|
|
|
||
|
|
if (orderPoints)
|
||
|
|
{
|
||
|
|
// Force edge calculation (since only reason that points would need to
|
||
|
|
// be sorted)
|
||
|
|
(void)mesh.edges();
|
||
|
|
|
||
|
|
label nTotPoints = returnReduce
|
||
|
|
(
|
||
|
|
mesh.nPoints(),
|
||
|
|
sumOp<label>()
|
||
|
|
);
|
||
|
|
|
||
|
|
label nTotIntPoints = returnReduce
|
||
|
|
(
|
||
|
|
mesh.nInternalPoints(),
|
||
|
|
sumOp<label>()
|
||
|
|
);
|
||
|
|
|
||
|
|
label nTotEdges = returnReduce
|
||
|
|
(
|
||
|
|
mesh.nEdges(),
|
||
|
|
sumOp<label>()
|
||
|
|
);
|
||
|
|
|
||
|
|
label nTotIntEdges = returnReduce
|
||
|
|
(
|
||
|
|
mesh.nInternalEdges(),
|
||
|
|
sumOp<label>()
|
||
|
|
);
|
||
|
|
|
||
|
|
label nTotInt0Edges = returnReduce
|
||
|
|
(
|
||
|
|
mesh.nInternal0Edges(),
|
||
|
|
sumOp<label>()
|
||
|
|
);
|
||
|
|
|
||
|
|
label nTotInt1Edges = returnReduce
|
||
|
|
(
|
||
|
|
mesh.nInternal1Edges(),
|
||
|
|
sumOp<label>()
|
||
|
|
);
|
||
|
|
|
||
|
|
Info<< "Points:" << nl
|
||
|
|
<< " total : " << nTotPoints << nl
|
||
|
|
<< " internal: " << nTotIntPoints << nl
|
||
|
|
<< " boundary: " << nTotPoints-nTotIntPoints << nl
|
||
|
|
<< "Edges:" << nl
|
||
|
|
<< " total : " << nTotEdges << nl
|
||
|
|
<< " internal: " << nTotIntEdges << nl
|
||
|
|
<< " internal using 0 boundary points: "
|
||
|
|
<< nTotInt0Edges << nl
|
||
|
|
<< " internal using 1 boundary points: "
|
||
|
|
<< nTotInt1Edges-nTotInt0Edges << nl
|
||
|
|
<< " internal using 2 boundary points: "
|
||
|
|
<< nTotIntEdges-nTotInt1Edges << nl
|
||
|
|
<< " boundary: " << nTotEdges-nTotIntEdges << nl
|
||
|
|
<< endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
Info<< "Writing mesh to " << runTime.timeName() << endl;
|
||
|
|
|
||
|
|
mesh.write();
|
||
|
|
|
||
|
|
if (writeMaps)
|
||
|
|
{
|
||
|
|
labelIOList
|
||
|
|
(
|
||
|
|
IOobject
|
||
|
|
(
|
||
|
|
"cellMap",
|
||
|
|
mesh.facesInstance(),
|
||
|
|
polyMesh::meshSubDir,
|
||
|
|
mesh,
|
||
|
|
IOobject::NO_READ,
|
||
|
|
IOobject::NO_WRITE,
|
||
|
|
false
|
||
|
|
),
|
||
|
|
map().cellMap()
|
||
|
|
).write();
|
||
|
|
|
||
|
|
labelIOList
|
||
|
|
(
|
||
|
|
IOobject
|
||
|
|
(
|
||
|
|
"faceMap",
|
||
|
|
mesh.facesInstance(),
|
||
|
|
polyMesh::meshSubDir,
|
||
|
|
mesh,
|
||
|
|
IOobject::NO_READ,
|
||
|
|
IOobject::NO_WRITE,
|
||
|
|
false
|
||
|
|
),
|
||
|
|
map().faceMap()
|
||
|
|
).write();
|
||
|
|
|
||
|
|
labelIOList
|
||
|
|
(
|
||
|
|
IOobject
|
||
|
|
(
|
||
|
|
"pointMap",
|
||
|
|
mesh.facesInstance(),
|
||
|
|
polyMesh::meshSubDir,
|
||
|
|
mesh,
|
||
|
|
IOobject::NO_READ,
|
||
|
|
IOobject::NO_WRITE,
|
||
|
|
false
|
||
|
|
),
|
||
|
|
map().pointMap()
|
||
|
|
).write();
|
||
|
|
}
|
||
|
|
|
||
|
|
Info<< "\nEnd.\n" << endl;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// ************************************************************************* //
|