c8a1c95b06
For many information and diagnostic messages the absolute path of the object is not required and the local path relative to the current case is sufficient; the new localObjectPath() member function of IOobject provides a convenient way of printing this.
363 lines
10 KiB
C
363 lines
10 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Copyright (C) 2012-2020 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "loadOrCreateMesh.H"
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#include "processorPolyPatch.H"
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#include "processorCyclicPolyPatch.H"
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#include "Time.H"
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#include "IOPtrList.H"
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// * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * //
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namespace Foam
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{
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defineTemplateTypeNameAndDebug(IOPtrList<entry>, 0);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Read mesh if available. Otherwise create empty mesh with same non-proc
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// patches as proc0 mesh. Requires all processors to have all patches
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// (and in same order).
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Foam::autoPtr<Foam::fvMesh> Foam::loadOrCreateMesh
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(
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const IOobject& io
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)
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{
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fileName meshSubDir;
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if (io.name() == polyMesh::defaultRegion)
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{
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meshSubDir = polyMesh::meshSubDir;
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}
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else
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{
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meshSubDir = io.name()/polyMesh::meshSubDir;
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}
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// Scatter master patches
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PtrList<entry> patchEntries;
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if (Pstream::master())
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{
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// Read PtrList of dictionary as dictionary.
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const word oldTypeName = IOPtrList<entry>::typeName;
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const_cast<word&>(IOPtrList<entry>::typeName) = word::null;
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IOPtrList<entry> dictList
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(
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IOobject
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(
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"boundary",
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io.time().findInstance
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(
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meshSubDir,
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"boundary",
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IOobject::MUST_READ
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),
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meshSubDir,
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io.db(),
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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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const_cast<word&>(IOPtrList<entry>::typeName) = oldTypeName;
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// Fake type back to what was in field
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const_cast<word&>(dictList.type()) = dictList.headerClassName();
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patchEntries.transfer(dictList);
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// Send patches
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for
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(
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int slave=Pstream::firstSlave();
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slave<=Pstream::lastSlave();
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slave++
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)
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{
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OPstream toSlave(Pstream::commsTypes::scheduled, slave);
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toSlave << patchEntries;
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}
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}
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else
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{
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// Receive patches
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IPstream fromMaster
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(
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Pstream::commsTypes::scheduled,
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Pstream::masterNo()
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);
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fromMaster >> patchEntries;
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}
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// Check who has a mesh
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const bool haveMesh = fileHandler().isDir
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(
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fileHandler().filePath(io.time().path()/io.instance()/meshSubDir)
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);
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if (!haveMesh)
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{
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bool oldParRun = Pstream::parRun();
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Pstream::parRun() = false;
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// Create dummy mesh. Only used on procs that don't have mesh.
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IOobject noReadIO(io);
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noReadIO.readOpt() = IOobject::NO_READ;
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fvMesh dummyMesh
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(
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noReadIO,
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pointField(),
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faceList(),
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labelList(),
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labelList(),
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false
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);
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// Add patches
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List<polyPatch*> patches(patchEntries.size());
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label nPatches = 0;
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forAll(patchEntries, patchi)
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{
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const entry& e = patchEntries[patchi];
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const word type(e.dict().lookup("type"));
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const word& name = e.keyword();
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if
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(
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type != processorPolyPatch::typeName
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&& type != processorCyclicPolyPatch::typeName
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)
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{
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dictionary patchDict(e.dict());
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patchDict.set("nFaces", 0);
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patchDict.set("startFace", 0);
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patches[patchi] = polyPatch::New
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(
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name,
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patchDict,
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nPatches++,
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dummyMesh.boundaryMesh()
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).ptr();
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}
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}
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patches.setSize(nPatches);
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dummyMesh.addFvPatches(patches, false); // no parallel comms
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// Add some dummy zones so upon reading it does not read them
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// from the undecomposed case. Should be done as extra argument to
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// regIOobject::readStream?
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List<pointZone*> pz
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(
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1,
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new pointZone
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(
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"dummyPointZone",
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labelList(0),
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0,
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dummyMesh.pointZones()
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)
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);
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List<faceZone*> fz
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(
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1,
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new faceZone
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(
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"dummyFaceZone",
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labelList(0),
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boolList(0),
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0,
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dummyMesh.faceZones()
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)
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);
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List<cellZone*> cz
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(
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1,
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new cellZone
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(
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"dummyCellZone",
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labelList(0),
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0,
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dummyMesh.cellZones()
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)
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);
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dummyMesh.addZones(pz, fz, cz);
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dummyMesh.write();
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Pstream::parRun() = oldParRun;
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}
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autoPtr<fvMesh> meshPtr(new fvMesh(io));
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fvMesh& mesh = meshPtr();
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// Sync patches
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// ~~~~~~~~~~~~
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if (!Pstream::master() && haveMesh)
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{
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// Check master names against mine
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const polyBoundaryMesh& patches = mesh.boundaryMesh();
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forAll(patchEntries, patchi)
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{
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const entry& e = patchEntries[patchi];
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const word type(e.dict().lookup("type"));
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const word& name = e.keyword();
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if (type == processorPolyPatch::typeName)
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{
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break;
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}
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if (patchi >= patches.size())
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{
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FatalErrorInFunction
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<< "Non-processor patches not synchronised."
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<< endl
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<< "Processor " << Pstream::myProcNo()
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<< " has only " << patches.size()
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<< " patches, master has "
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<< patchi
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<< exit(FatalError);
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}
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if
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(
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type != patches[patchi].type()
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|| name != patches[patchi].name()
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)
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{
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FatalErrorInFunction
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<< "Non-processor patches not synchronised."
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<< endl
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<< "Master patch " << patchi
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<< " name:" << type
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<< " type:" << type << endl
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<< "Processor " << Pstream::myProcNo()
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<< " patch " << patchi
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<< " has name:" << patches[patchi].name()
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<< " type:" << patches[patchi].type()
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<< exit(FatalError);
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}
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}
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}
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// Determine zones
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// ~~~~~~~~~~~~~~~
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wordList pointZoneNames(mesh.pointZones().names());
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Pstream::scatter(pointZoneNames);
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wordList faceZoneNames(mesh.faceZones().names());
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Pstream::scatter(faceZoneNames);
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wordList cellZoneNames(mesh.cellZones().names());
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Pstream::scatter(cellZoneNames);
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if (!haveMesh)
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{
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// Add the zones. Make sure to remove the old dummy ones first
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mesh.pointZones().clear();
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mesh.faceZones().clear();
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mesh.cellZones().clear();
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List<pointZone*> pz(pointZoneNames.size());
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forAll(pointZoneNames, i)
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{
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pz[i] = new pointZone
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(
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pointZoneNames[i],
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labelList(0),
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i,
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mesh.pointZones()
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);
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}
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List<faceZone*> fz(faceZoneNames.size());
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forAll(faceZoneNames, i)
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{
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fz[i] = new faceZone
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(
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faceZoneNames[i],
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labelList(0),
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boolList(0),
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i,
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mesh.faceZones()
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);
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}
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List<cellZone*> cz(cellZoneNames.size());
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forAll(cellZoneNames, i)
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{
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cz[i] = new cellZone
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(
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cellZoneNames[i],
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labelList(0),
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i,
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mesh.cellZones()
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);
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}
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mesh.addZones(pz, fz, cz);
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}
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if (!haveMesh)
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{
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// We created a dummy mesh file above. Delete it.
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const fileName meshFiles = io.time().path()/io.instance()/meshSubDir;
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// Pout<< "Removing dummy mesh " << meshFiles << endl;
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mesh.removeFiles();
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rmDir(meshFiles);
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}
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// Force recreation of globalMeshData.
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mesh.clearOut();
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mesh.globalData();
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// Do some checks.
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// Check if the boundary definition is unique
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mesh.boundaryMesh().checkDefinition(true);
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// Check if the boundary processor patches are correct
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mesh.boundaryMesh().checkParallelSync(true);
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// Check names of zones are equal
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mesh.cellZones().checkDefinition(true);
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mesh.cellZones().checkParallelSync(true);
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mesh.faceZones().checkDefinition(true);
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mesh.faceZones().checkParallelSync(true);
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mesh.pointZones().checkDefinition(true);
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mesh.pointZones().checkParallelSync(true);
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return meshPtr;
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}
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// ************************************************************************* //
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