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foam-extend4.1-coherent-io/applications/utilities/mesh/conversion/foamMeshToFluent/fluentFvMesh.C

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C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ 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
\*---------------------------------------------------------------------------*/
#include <fstream>
#include <iostream>
using std::ofstream;
using std::ios;
#include "Time.H"
#include "fluentFvMesh.H"
#include "primitiveMesh.H"
#include "wallFvPatch.H"
#include "symmetryFvPatch.H"
#include "cellModeller.H"
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::fluentFvMesh::fluentFvMesh(const IOobject& io)
:
fvMesh(io)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::fluentFvMesh::writeFluentMesh() const
{
// make a directory called proInterface in the case
mkDir(time().rootPath()/time().caseName()/"fluentInterface");
// open a file for the mesh
ofstream fluentMeshFile
(
(
time().rootPath()/
time().caseName()/
"fluentInterface"/
time().caseName() + ".msh"
).c_str()
);
Info << "Writing Header" << endl;
fluentMeshFile
<< "(0 \"FOAM to Fluent Mesh File\")" << std::endl << std::endl
<< "(0 \"Dimension:\")" << std::endl
<< "(2 3)" << std::endl << std::endl
<< "(0 \"Grid dimensions:\")" << std::endl;
// Writing number of points
fluentMeshFile
<< "(10 (0 1 ";
// Writing hex
fluentMeshFile.setf(ios::hex, ios::basefield);
fluentMeshFile
<< nPoints() << " 0 3))" << std::endl;
// Writing number of cells
fluentMeshFile
<< "(12 (0 1 "
<< nCells() << " 0 0))" << std::endl;
// Writing number of faces
label nFcs = nFaces();
fluentMeshFile
<< "(13 (0 1 ";
// Still writing hex
fluentMeshFile
<< nFcs << " 0 0))" << std::endl << std::endl;
// Return to dec
fluentMeshFile.setf(ios::dec, ios::basefield);
// Writing points
fluentMeshFile
<< "(10 (1 1 ";
fluentMeshFile.setf(ios::hex, ios::basefield);
fluentMeshFile
<< nPoints() << " 1 3)"
<< std::endl << "(" << std::endl;
fluentMeshFile.precision(10);
fluentMeshFile.setf(ios::scientific);
const pointField& p = points();
forAll (p, pointI)
{
fluentMeshFile
<< " "
<< p[pointI].x() << " "
<< p[pointI].y()
<< " " << p[pointI].z() << std::endl;
}
fluentMeshFile
<< "))" << std::endl << std::endl;
const unallocLabelList& own = owner();
const unallocLabelList& nei = neighbour();
const faceList& fcs = faces();
// Writing (mixed) internal faces
fluentMeshFile
<< "(13 (2 1 "
<< own.size() << " 2 0)" << std::endl << "(" << std::endl;
forAll (own, faceI)
{
const labelList& l = fcs[faceI];
fluentMeshFile << " ";
fluentMeshFile << l.size() << " ";
forAll (l, lI)
{
fluentMeshFile << l[lI] + 1 << " ";
}
fluentMeshFile << nei[faceI] + 1 << " ";
fluentMeshFile << own[faceI] + 1 << std::endl;
}
fluentMeshFile << "))" << std::endl;
label nWrittenFaces = own.size();
// Writing boundary faces
forAll (boundary(), patchI)
{
const unallocFaceList& patchFaces = boundaryMesh()[patchI];
const labelList& patchFaceCells =
boundaryMesh()[patchI].faceCells();
// The face group will be offset by 10 from the patch label
// Write header
fluentMeshFile
<< "(13 (" << patchI + 10 << " " << nWrittenFaces + 1
<< " " << nWrittenFaces + patchFaces.size() << " ";
nWrittenFaces += patchFaces.size();
// Write patch type
if
(
typeid(boundary()[patchI]) == typeid(wallFvPatch)
)
{
fluentMeshFile << 3;
}
else if
(
typeid(boundary()[patchI]) == typeid(symmetryFvPatch)
)
{
fluentMeshFile << 7;
}
else
{
fluentMeshFile << 4;
}
fluentMeshFile
<<" 0)" << std::endl << "(" << std::endl;
forAll (patchFaces, faceI)
{
const labelList& l = patchFaces[faceI];
fluentMeshFile << " ";
fluentMeshFile << l.size() << " ";
// Note: In Fluent, all boundary faces point inwards, which is
// opposite from the FOAM convention. Turn them round on printout
forAllReverse (l, lI)
{
fluentMeshFile << l[lI] + 1 << " ";
}
fluentMeshFile << patchFaceCells[faceI] + 1 << " 0" << std::endl;
}
fluentMeshFile << "))" << std::endl;
}
// Writing cells
fluentMeshFile
<< "(12 (1 1 "
<< nCells() << " 1 0)(" << std::endl;
const cellModel& hex = *(cellModeller::lookup("hex"));
const cellModel& prism = *(cellModeller::lookup("prism"));
const cellModel& pyr = *(cellModeller::lookup("pyr"));
const cellModel& tet = *(cellModeller::lookup("tet"));
const cellShapeList& cells = cellShapes();
bool hasWarned = false;
forAll (cells, cellI)
{
if (cells[cellI].model() == tet)
{
fluentMeshFile << " " << 2;
}
else if (cells[cellI].model() == hex)
{
fluentMeshFile << " " << 4;
}
else if (cells[cellI].model() == pyr)
{
fluentMeshFile << " " << 5;
}
else if (cells[cellI].model() == prism)
{
fluentMeshFile << " " << 6;
}
else
{
if (!hasWarned)
{
hasWarned = true;
WarningIn("void fluentFvMesh::writeFluentMesh() const")
<< "foamMeshToFluent: cell shape for cell "
<< cellI << " only supported by Fluent polyhedral meshes."
<< nl
<< " Suppressing any further messages for polyhedral"
<< " cells." << endl;
}
fluentMeshFile << " " << 7;
}
}
fluentMeshFile << ")())" << std::endl;
// Return to dec
fluentMeshFile.setf(ios::dec, ios::basefield);
// Writing patch types
fluentMeshFile << "(39 (1 fluid fluid-1)())" << std::endl;
fluentMeshFile << "(39 (2 interior interior-1)())" << std::endl;
// Writing boundary patch types
forAll (boundary(), patchI)
{
fluentMeshFile
<< "(39 (" << patchI + 10 << " ";
// Write patch type
if
(
typeid(boundary()[patchI]) == typeid(wallFvPatch)
)
{
fluentMeshFile << "wall ";
}
else if
(
typeid(boundary()[patchI]) == typeid(symmetryFvPatch)
)
{
fluentMeshFile << "symmetry ";
}
else
{
fluentMeshFile << "pressure-outlet ";
}
fluentMeshFile
<< boundary()[patchI].name() << ")())" << std::endl;
}
}
// ************************************************************************* //