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applications/utilities/parallelProcessing/decomposePar/domainDecompositionDistribute.C

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+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+\*---------------------------------------------------------------------------*/
+
+#include "domainDecomposition.H"
+#include "decompositionMethod.H"
+#include "cpuTime.H"
+#include "cellSet.H"
+#include "regionSplit.H"
+#include "Tuple2.H"
+#include "faceSet.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+void Foam::domainDecomposition::distributeCells()
+{
+    Info<< "\nCalculating distribution of cells" << endl;
+
+    cpuTime decompositionTime;
+
+    autoPtr<decompositionMethod> decomposePtr = decompositionMethod::New
+    (
+        decompositionDict_
+    );
+
+    scalarField cellWeights;
+    if (decompositionDict_.found("weightField"))
+    {
+        word weightName = decompositionDict_.lookup("weightField");
+
+        volScalarField weights
+        (
+            IOobject
+            (
+                weightName,
+                time().timeName(),
+                *this,
+                IOobject::MUST_READ,
+                IOobject::NO_WRITE
+            ),
+            *this
+        );
+        cellWeights = weights.internalField();
+    }
+
+    cellToProc_ = decomposePtr().decompose(*this, cellWeights);
+
+    Info<< "\nFinished decomposition in "
+        << decompositionTime.elapsedCpuTime()
+        << " s" << endl;
+}
+
+
+// ************************************************************************* //