467 lines
12 KiB
C
467 lines
12 KiB
C
/*---------------------------------------------------------------------------*\
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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 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 "polyMesh.H"
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#include "Time.H"
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#include "cellIOList.H"
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#include "meshObjectBase.H"
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#include "mapPolyMesh.H"
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void Foam::polyMesh::setInstance(const fileName& inst)
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{
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if (debug)
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{
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Info<< "void polyMesh::setInstance(const fileName& inst) : "
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<< "Resetting file instance to " << inst << endl;
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}
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allPoints_.writeOpt() = IOobject::AUTO_WRITE;
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allPoints_.instance() = inst;
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allFaces_.writeOpt() = IOobject::AUTO_WRITE;
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allFaces_.instance() = inst;
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owner_.writeOpt() = IOobject::AUTO_WRITE;
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owner_.instance() = inst;
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neighbour_.writeOpt() = IOobject::AUTO_WRITE;
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neighbour_.instance() = inst;
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boundary_.writeOpt() = IOobject::AUTO_WRITE;
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boundary_.instance() = inst;
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pointZones_.writeOpt() = IOobject::AUTO_WRITE;
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pointZones_.instance() = inst;
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faceZones_.writeOpt() = IOobject::AUTO_WRITE;
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faceZones_.instance() = inst;
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cellZones_.writeOpt() = IOobject::AUTO_WRITE;
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cellZones_.instance() = inst;
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}
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Foam::polyMesh::readUpdateState Foam::polyMesh::readUpdate()
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{
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if (debug)
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{
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Info<< "polyMesh::readUpdateState polyMesh::readUpdate() : "
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<< "Updating mesh based on saved data." << endl;
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}
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// Find the point and cell instance
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fileName pointsInst(time().findInstance(meshDir(), "points"));
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fileName facesInst(time().findInstance(meshDir(), "faces"));
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if (debug)
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{
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Info<< "Faces instance: old = " << facesInstance()
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<< " new = " << facesInst << nl
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<< "Points instance: old = " << pointsInstance()
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<< " new = " << pointsInst << endl;
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}
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if (facesInst != facesInstance())
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{
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// Topological change
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if (debug)
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{
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Info << "Topological change" << endl;
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}
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clearOut();
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// Set instance to new instance. Note that points instance can differ
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// from from faces instance.
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setInstance(facesInst);
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allPoints_.instance() = pointsInst;
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allPoints_ = pointIOField
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(
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IOobject
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(
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"points",
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pointsInst,
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meshSubDir,
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*this,
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IOobject::MUST_READ,
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IOobject::NO_WRITE,
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false
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)
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);
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allFaces_ = faceIOList
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(
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IOobject
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(
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"faces",
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facesInst,
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meshSubDir,
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*this,
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IOobject::MUST_READ,
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IOobject::NO_WRITE,
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false
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)
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);
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owner_ = labelIOList
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(
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IOobject
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(
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"owner",
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facesInst,
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meshSubDir,
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*this,
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IOobject::READ_IF_PRESENT,
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IOobject::NO_WRITE,
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false
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)
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);
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neighbour_ = labelIOList
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(
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IOobject
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(
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"neighbour",
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facesInst,
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meshSubDir,
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*this,
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IOobject::READ_IF_PRESENT,
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IOobject::NO_WRITE,
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false
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)
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);
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// Reset the boundary patches
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polyBoundaryMesh newBoundary
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(
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IOobject
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(
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"boundary",
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facesInst,
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meshSubDir,
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*this,
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IOobject::MUST_READ,
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IOobject::NO_WRITE,
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false
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),
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*this
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);
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// Check that patch types and names are unchanged
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bool boundaryChanged = false;
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if (newBoundary.size() != boundary_.size())
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{
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boundaryChanged = true;
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}
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else
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{
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wordList newTypes = newBoundary.types();
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wordList newNames = newBoundary.names();
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wordList oldTypes = boundary_.types();
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wordList oldNames = boundary_.names();
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forAll (oldTypes, patchI)
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{
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if
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(
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oldTypes[patchI] != newTypes[patchI]
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|| oldNames[patchI] != newNames[patchI]
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)
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{
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boundaryChanged = true;
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break;
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}
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}
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}
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if (boundaryChanged)
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{
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WarningIn("polyMesh::readUpdateState polyMesh::readUpdate()")
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<< "Number of patches has changed. This may have "
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<< "unexpected consequences. Proceed with care." << endl;
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boundary_.clear();
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boundary_.setSize(newBoundary.size());
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forAll (newBoundary, patchI)
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{
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boundary_.set(patchI, newBoundary[patchI].clone(boundary_));
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}
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}
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else
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{
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forAll (boundary_, patchI)
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{
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boundary_[patchI] = polyPatch
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(
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newBoundary[patchI].name(),
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newBoundary[patchI].size(),
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newBoundary[patchI].start(),
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patchI,
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boundary_
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);
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}
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}
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// Boundary is set so can use initMesh now (uses boundary_ to
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// determine internal and active faces)
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if (exists(owner_.objectPath()))
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{
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initMesh();
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}
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else
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{
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cellIOList cells
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(
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IOobject
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(
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"cells",
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facesInst,
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meshSubDir,
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*this,
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IOobject::MUST_READ,
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IOobject::NO_WRITE,
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false
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)
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);
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// Recalculate the owner/neighbour addressing and reset the
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// primitiveMesh
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initMesh(cells);
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}
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// Even if number of patches stayed same still recalculate boundary
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// data.
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// Calculate topology for the patches (processor-processor comms etc.)
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boundary_.updateMesh();
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// Calculate the geometry for the patches (transformation tensors etc.)
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boundary_.calcGeometry();
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// Derived info
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bounds_ = boundBox(allPoints_);
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geometricD_ = Vector<label>::zero;
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solutionD_ = Vector<label>::zero;
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// Zones
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pointZoneMesh newPointZones
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(
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IOobject
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(
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"pointZones",
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facesInst,
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meshSubDir,
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*this,
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IOobject::READ_IF_PRESENT,
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IOobject::NO_WRITE,
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false
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),
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*this
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);
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label oldSize = pointZones_.size();
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if (newPointZones.size() <= pointZones_.size())
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{
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pointZones_.setSize(newPointZones.size());
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}
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// Reset existing ones
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forAll (pointZones_, czI)
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{
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pointZones_[czI] = newPointZones[czI];
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}
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// Extend with extra ones
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pointZones_.setSize(newPointZones.size());
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for (label czI = oldSize; czI < newPointZones.size(); czI++)
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{
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pointZones_.set(czI, newPointZones[czI].clone(pointZones_));
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}
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pointZones_.setSize(newPointZones.size());
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forAll (pointZones_, pzI)
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{
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pointZones_[pzI] = newPointZones[pzI];
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}
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faceZoneMesh newFaceZones
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(
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IOobject
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(
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"faceZones",
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facesInst,
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meshSubDir,
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*this,
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IOobject::READ_IF_PRESENT,
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IOobject::NO_WRITE,
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false
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),
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*this
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);
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oldSize = faceZones_.size();
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if (newFaceZones.size() <= faceZones_.size())
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{
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faceZones_.setSize(newFaceZones.size());
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}
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// Reset existing ones
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forAll (faceZones_, fzI)
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{
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faceZones_[fzI].resetAddressing
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(
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newFaceZones[fzI],
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newFaceZones[fzI].flipMap()
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);
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}
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// Extend with extra ones
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faceZones_.setSize(newFaceZones.size());
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for (label fzI = oldSize; fzI < newFaceZones.size(); fzI++)
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{
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faceZones_.set(fzI, newFaceZones[fzI].clone(faceZones_));
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}
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cellZoneMesh newCellZones
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(
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IOobject
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(
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"cellZones",
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facesInst,
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meshSubDir,
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*this,
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IOobject::READ_IF_PRESENT,
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IOobject::NO_WRITE,
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false
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),
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*this
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);
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oldSize = cellZones_.size();
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if (newCellZones.size() <= cellZones_.size())
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{
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cellZones_.setSize(newCellZones.size());
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}
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// Reset existing ones
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forAll (cellZones_, czI)
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{
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cellZones_[czI] = newCellZones[czI];
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}
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// Extend with extra ones
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cellZones_.setSize(newCellZones.size());
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for (label czI = oldSize; czI < newCellZones.size(); czI++)
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{
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cellZones_.set(czI, newCellZones[czI].clone(cellZones_));
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}
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// Instantiate a dummy mapPolyMesh
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autoPtr<mapPolyMesh> mapPtr(new mapPolyMesh(*this));
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// Execute dummy topo change on all mesh objects
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meshObjectBase::allUpdateTopology(*this, mapPtr());
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if (boundaryChanged)
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{
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return polyMesh::TOPO_PATCH_CHANGE;
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}
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else
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{
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return polyMesh::TOPO_CHANGE;
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}
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}
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else if (pointsInst != pointsInstance())
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{
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// Points moved
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if (debug)
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{
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Info << "Point motion" << endl;
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}
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clearGeom();
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allPoints_.instance() = pointsInst;
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allPoints_ = pointIOField
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(
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IOobject
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(
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"points",
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pointsInst,
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meshSubDir,
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*this,
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IOobject::MUST_READ,
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IOobject::NO_WRITE,
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false
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)
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);
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// Reset points, mesh is not moved
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points_ = pointField::subField(allPoints_, nPoints());
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// Derived info
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bounds_ = boundBox(allPoints_);
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// Rotation can cause direction vector to change
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geometricD_ = Vector<label>::zero;
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solutionD_ = Vector<label>::zero;
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// Move points in all mesh objects
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meshObjectBase::allMovePoints<polyMesh>(*this);
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return polyMesh::POINTS_MOVED;
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}
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else
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{
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if (debug)
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{
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Info << "No change" << endl;
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}
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return polyMesh::UNCHANGED;
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}
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}
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// ************************************************************************* //
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