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foam-extend4.1-coherent-io/applications/utilities/mesh/conversion/sammToFoam/createBoundaryFaces.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.
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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
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
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Description
Create intermediate mesh files from SAMM files
\*---------------------------------------------------------------------------*/
#include "sammMesh.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Specialist version of face comparison to deal with
// PROSTAR boundary format idiosyncracies
bool sammMesh::sammEqualFace
(
const face& boundaryFace,
const face& cellFace
) const
{
// A PROSTAR boundary face is defined by 4 vertices irrespective
// of its topology.
// In order to deal with all possibilities, two faces will be
// considered equal if three of the vertices are the same.
label nEqual = 0;
forAll (cellFace, cellFaceLabelI)
{
const label curCellFaceLabel = cellFace[cellFaceLabelI];
forAll (boundaryFace, bouFaceLabelI)
{
if (boundaryFace[bouFaceLabelI] == curCellFaceLabel)
{
nEqual++;
break;
}
}
}
if (nEqual >= 3)
{
return true;
}
else
{
return false;
}
}
void sammMesh::createBoundaryFaces()
{
forAll(boundary_, patchI)
{
faceList& patchFaces = boundary_[patchI];
const labelListList& PointCells = pointCells();
forAll(patchFaces, faceI)
{
bool found = false;
face& curFace = patchFaces[faceI];
const labelList& facePoints = curFace;
forAll(facePoints, pointI)
{
const labelList& facePointCells =
PointCells[facePoints[pointI]];
forAll(facePointCells, cellI)
{
const faceList& curCellFaces =
cellFaces_[facePointCells[cellI]];
forAll(curCellFaces, cellFaceI)
{
if (sammEqualFace(curCellFaces[cellFaceI], curFace))
{
// Found the cell face corresponding to this face
found = true;
// Set boundary face to the corresponding cell face
// which guarantees it is outward-pointing
curFace = curCellFaces[cellFaceI];
}
if (found) break;
}
if (found) break;
}
if (found) break;
}
if (!found)
{
FatalErrorIn("sammMesh::createBoundaryFaces()")
<< "Face " << faceI
<< " does not have neighbour cell." << endl
<< " face : " << endl << curFace
<< abort(FatalError);
}
}
}
}
// ************************************************************************* //