95 lines
3.2 KiB
C++
95 lines
3.2 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 | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2021 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
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Description
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Decompose area fields, when mesh was generated in parallel
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\*---------------------------------------------------------------------------*/
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if (Pstream::parRun())
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{
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faMeshReconstructor reconstructor(areaMesh);
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reconstructor.writeAddressing();
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// Handle area fields
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// ------------------
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PtrList<areaScalarField> areaScalarFields;
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PtrList<areaVectorField> areaVectorFields;
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PtrList<areaSphericalTensorField> areaSphTensorFields;
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PtrList<areaSymmTensorField> areaSymmTensorFields;
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PtrList<areaTensorField> areaTensorFields;
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const faMesh& fullMesh = reconstructor.mesh();
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{
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// Use uncollated (or master uncollated) file handler here.
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// - each processor is reading in the identical serial fields.
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// - nothing should be parallel-coordinated.
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// Similarly, if we write the serial finite-area mesh, this is only
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// done from one processor!
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reconstructor.writeMesh();
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const bool oldDistributed = fileHandler().distributed();
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auto oldHandler = fileHandler(fileOperation::NewUncollated());
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fileHandler().distributed(true);
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IOobjectList objects(fullMesh.time(), runTime.timeName());
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faFieldDecomposer::readFields(fullMesh, objects, areaScalarFields);
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faFieldDecomposer::readFields(fullMesh, objects, areaVectorFields);
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faFieldDecomposer::readFields(fullMesh, objects, areaSphTensorFields);
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faFieldDecomposer::readFields(fullMesh, objects, areaSymmTensorFields);
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faFieldDecomposer::readFields(fullMesh, objects, areaTensorFields);
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// Restore old settings
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if (oldHandler)
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{
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fileHandler(std::move(oldHandler));
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}
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fileHandler().distributed(oldDistributed);
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}
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const label nAreaFields =
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(
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areaScalarFields.size()
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+ areaVectorFields.size()
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+ areaSphTensorFields.size()
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+ areaSymmTensorFields.size()
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+ areaTensorFields.size()
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);
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if (nAreaFields)
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{
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Info<< "Decomposing " << nAreaFields << " area fields" << nl << endl;
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faFieldDecomposer fieldDecomposer
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(
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fullMesh,
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areaMesh,
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reconstructor.edgeProcAddressing(),
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reconstructor.faceProcAddressing(),
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reconstructor.boundaryProcAddressing()
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);
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fieldDecomposer.decomposeFields(areaScalarFields);
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fieldDecomposer.decomposeFields(areaVectorFields);
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fieldDecomposer.decomposeFields(areaSphTensorFields);
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fieldDecomposer.decomposeFields(areaSymmTensorFields);
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fieldDecomposer.decomposeFields(areaTensorFields);
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}
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}
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// ************************************************************************* //
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