ENH: structuredDecomp : new decomposition method. fixedNormalSlip : variant of slip point bc with user-specified normal.

src/parallel/decompose/decompositionMethods/structuredDecomp/structuredDecomp.H

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+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2010-2010 OpenCFD Ltd.
+     \\/     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/>.
+
+Class
+    Foam::structuredDecomp
+
+Description
+    Decomposition given using consecutive application of decomposers.
+
+SourceFiles
+    structuredDecomp.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef structuredDecomp_H
+#define structuredDecomp_H
+
+#include "decompositionMethod.H"
+
+namespace Foam
+{
+
+/*---------------------------------------------------------------------------*\
+                           Class structuredDecomp Declaration
+\*---------------------------------------------------------------------------*/
+
+class structuredDecomp
+:
+    public decompositionMethod
+{
+    // Private data
+
+        autoPtr<decompositionMethod> method_;
+
+        wordList patches_;
+
+
+    // Private Member Functions
+
+        //- Given connectivity across processors work out connectivity
+        //  for a (consistent) subset
+        void subsetGlobalCellCells
+        (
+            const label nDomains,
+            const label domainI,
+            const labelList& dist,
+
+            const labelListList& cellCells,
+            const labelList& set,
+            labelListList& subCellCells,
+            labelList& cutConnections
+        ) const;
+
+        //- Decompose level methodI without addressing
+        void decompose
+        (
+            const labelListList& pointPoints,
+            const pointField& points,
+            const scalarField& pointWeights,
+            const labelList& pointMap,  // map back to original points
+            const label levelI,
+
+            labelField& finalDecomp
+        );
+
+        //- Disallow default bitwise copy construct and assignment
+        void operator=(const structuredDecomp&);
+        structuredDecomp(const structuredDecomp&);
+
+
+public:
+
+    //- Runtime type information
+    TypeName("structured");
+
+
+    // Constructors
+
+        //- Construct given the decomposition dictionary
+        structuredDecomp(const dictionary& decompositionDict);
+
+
+    //- Destructor
+    virtual ~structuredDecomp()
+    {}
+
+
+    // Member Functions
+
+        //- Is method parallel aware (i.e. does it synchronize domains across
+        //  proc boundaries)
+        virtual bool parallelAware() const;
+
+        //- Return for every coordinate the wanted processor number. Use the
+        //  mesh connectivity (if needed)
+        virtual labelList decompose
+        (
+            const polyMesh& mesh,
+            const pointField& points,
+            const scalarField& pointWeights
+        );
+
+        //- Return for every coordinate the wanted processor number. Explicitly
+        //  provided connectivity - does not use mesh_.
+        virtual labelList decompose
+        (
+            const labelListList& globalCellCells,
+            const pointField& cc,
+            const scalarField& cWeights
+        );
+};
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //