singleCellFvMesh and application

applications/utilities/mesh/manipulation/singleCellMesh/Make/files

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+singleCellMesh.C
+
+EXE = $(FOAM_APPBIN)/singleCellMesh

applications/utilities/mesh/manipulation/singleCellMesh/Make/options

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+EXE_INC = \
+    -I$(LIB_SRC)/finiteVolume/lnInclude
+
+EXE_LIBS = \
+    -lfiniteVolume
+

applications/utilities/mesh/manipulation/singleCellMesh/singleCellMesh.C

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+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2007 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 2 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, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+Application
+    singleCellMesh
+
+Description
+    Removes all but one cells of the mesh. Used to generate mesh and fields
+    that can be used for boundary-only data.
+    Might easily result in illegal mesh though so only look at boundaries
+    in paraview.
+
+\*---------------------------------------------------------------------------*/
+
+
+#include "argList.H"
+#include "fvMesh.H"
+#include "volFields.H"
+#include "Time.H"
+#include "ReadFields.H"
+#include "singleCellFvMesh.H"
+
+using namespace Foam;
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+template<class GeoField>
+void interpolateFields
+(
+    const singleCellFvMesh& scMesh,
+    const PtrList<GeoField>& flds
+)
+{
+    forAll(flds, i)
+    {
+        tmp<GeoField> scFld = scMesh.interpolate(flds[i]);
+        GeoField* scFldPtr = scFld.ptr();
+        scFldPtr->writeOpt() = IOobject::AUTO_WRITE;
+        scFldPtr->store();
+    }
+}
+
+
+// Main program:
+
+int main(int argc, char *argv[])
+{
+    Foam::argList::validOptions.insert("overwrite", "");
+#   include "addTimeOptions.H"
+#   include "setRootCase.H"
+#   include "createTime.H"
+    // Get times list
+    instantList Times = runTime.times();
+#   include "checkTimeOptions.H"
+    runTime.setTime(Times[startTime], startTime);
+#   include "createMesh.H"
+    const word oldInstance = mesh.pointsInstance();
+
+    bool overwrite = args.optionFound("overwrite");
+
+
+    // Read objects in time directory
+    IOobjectList objects(mesh, runTime.timeName());
+
+    // Read vol fields.
+    PtrList<volScalarField> vsFlds;
+    ReadFields(mesh, objects, vsFlds);
+
+    PtrList<volVectorField> vvFlds;
+    ReadFields(mesh, objects, vvFlds);
+
+    PtrList<volSphericalTensorField> vstFlds;
+    ReadFields(mesh, objects, vstFlds);
+
+    PtrList<volSymmTensorField> vsymtFlds;
+    ReadFields(mesh, objects, vsymtFlds);
+
+    PtrList<volTensorField> vtFlds;
+    ReadFields(mesh, objects, vtFlds);
+
+
+    if (!overwrite)
+    {
+        runTime++;
+    }
+
+    // Create the mesh
+    singleCellFvMesh scMesh
+    (
+        IOobject
+        (
+            mesh.name(),
+            mesh.polyMesh::instance(),
+            runTime,
+            IOobject::NO_READ,
+            IOobject::AUTO_WRITE
+        ),
+        mesh
+    );
+
+
+    // Map and store the fields on the scMesh.
+    interpolateFields(scMesh, vsFlds);
+    interpolateFields(scMesh, vvFlds);
+    interpolateFields(scMesh, vstFlds);
+    interpolateFields(scMesh, vsymtFlds);
+    interpolateFields(scMesh, vtFlds);
+
+
+    // Write
+    Info<< "Writing mesh to time " << runTime.timeName() << endl;
+    scMesh.write();
+
+
+    Info<< "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //