Files
openfoam/src/autoMesh/autoHexMesh/autoHexMeshDriver/layerParameters/layerParameters.C
2009-02-20 16:47:33 +00:00

345 lines
9.9 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2009 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
\*---------------------------------------------------------------------------*/
#include "layerParameters.H"
#include "polyBoundaryMesh.H"
#include "mathematicalConstants.H"
#include "refinementSurfaces.H"
#include "searchableSurfaces.H"
#include "regExp.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
const Foam::scalar Foam::layerParameters::defaultConcaveAngle = 90;
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
// Read the number of layers from dictionary. Per patch 0 or the number
// of layers.
Foam::labelList Foam::layerParameters::readNumLayers
(
const PtrList<dictionary>& surfaceDicts,
const refinementSurfaces& refineSurfaces,
const labelList& globalToPatch,
const polyBoundaryMesh& boundaryMesh
)
{
// Per surface the number of layers
labelList globalSurfLayers(surfaceDicts.size());
// Per surface, per region the number of layers
List<Map<label> > regionSurfLayers(surfaceDicts.size());
const labelList& surfaceIndices = refineSurfaces.surfaces();
forAll(surfaceDicts, surfI)
{
const dictionary& dict = surfaceDicts[surfI];
globalSurfLayers[surfI] = readLabel(dict.lookup("surfaceLayers"));
if (dict.found("regions"))
{
// Per-region layer information
PtrList<dictionary> regionDicts(dict.lookup("regions"));
const wordList& regionNames =
refineSurfaces.geometry()[surfaceIndices[surfI]].regions();
forAll(regionDicts, dictI)
{
const dictionary& regionDict = regionDicts[dictI];
const word regionName(regionDict.lookup("name"));
label regionI = findIndex(regionNames, regionName);
label nLayers = readLabel(regionDict.lookup("surfaceLayers"));
Info<< " region " << regionName << ':'<< nl
<< " surface layers:" << nLayers << nl;
regionSurfLayers[surfI].insert(regionI, nLayers);
}
}
}
// Transfer per surface/region information into patchwise region info
labelList nLayers(boundaryMesh.size(), 0);
forAll(surfaceIndices, surfI)
{
const wordList& regionNames =
refineSurfaces.geometry()[surfaceIndices[surfI]].regions();
forAll(regionNames, regionI)
{
const word& regionName = regionNames[regionI];
label global = refineSurfaces.globalRegion(surfI, regionI);
label patchI = globalToPatch[global];
// Initialise to surface-wise layers
nLayers[patchI] = globalSurfLayers[surfI];
// Override with region specific data if available
Map<label>::const_iterator iter =
regionSurfLayers[surfI].find(regionI);
if (iter != regionSurfLayers[surfI].end())
{
nLayers[patchI] = iter();
}
// Check
if (nLayers[patchI] < 0)
{
FatalErrorIn
(
"layerParameters::readNumLayers(..)"
) << "Illegal number of layers " << nLayers[patchI]
<< " for surface "
<< refineSurfaces.names()[surfI]
<< " region " << regionName << endl
<< exit(FatalError);
}
}
}
return nLayers;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
// Construct from dictionary
Foam::layerParameters::layerParameters
(
const PtrList<dictionary>& surfaceDicts,
const refinementSurfaces& refineSurfaces,
const labelList& globalToPatch,
const dictionary& dict,
const polyBoundaryMesh& boundaryMesh
)
:
numLayers_
(
readNumLayers
(
surfaceDicts,
refineSurfaces,
globalToPatch,
boundaryMesh
)
),
expansionRatio_
(
numLayers_.size(),
readScalar(dict.lookup("expansionRatio"))
),
finalLayerRatio_
(
numLayers_.size(),
readScalar(dict.lookup("finalLayerRatio"))
),
minThickness_
(
numLayers_.size(),
readScalar(dict.lookup("minThickness"))
),
featureAngle_(readScalar(dict.lookup("featureAngle"))),
concaveAngle_
(
dict.lookupOrDefault("concaveAngle", defaultConcaveAngle)
),
nGrow_(readLabel(dict.lookup("nGrow"))),
nSmoothSurfaceNormals_
(
readLabel(dict.lookup("nSmoothSurfaceNormals"))
),
nSmoothNormals_(readLabel(dict.lookup("nSmoothNormals"))),
nSmoothThickness_(readLabel(dict.lookup("nSmoothThickness"))),
maxFaceThicknessRatio_
(
readScalar(dict.lookup("maxFaceThicknessRatio"))
),
layerTerminationCos_
(
Foam::cos
(
0.5
* featureAngle_
* mathematicalConstant::pi/180.
)
),
maxThicknessToMedialRatio_
(
readScalar(dict.lookup("maxThicknessToMedialRatio"))
),
minMedianAxisAngleCos_
(
Foam::cos(readScalar(dict.lookup("minMedianAxisAngle")))
* mathematicalConstant::pi/180.
),
nBufferCellsNoExtrude_
(
readLabel(dict.lookup("nBufferCellsNoExtrude"))
),
nSnap_(readLabel(dict.lookup("nSnap")))
{}
// Construct from dictionary
Foam::layerParameters::layerParameters
(
const dictionary& dict,
const polyBoundaryMesh& boundaryMesh
)
:
numLayers_(boundaryMesh.size(), 0),
expansionRatio_
(
boundaryMesh.size(),
readScalar(dict.lookup("expansionRatio"))
),
finalLayerRatio_
(
boundaryMesh.size(),
readScalar(dict.lookup("finalLayerRatio"))
),
minThickness_
(
boundaryMesh.size(),
readScalar(dict.lookup("minThickness"))
),
featureAngle_(readScalar(dict.lookup("featureAngle"))),
concaveAngle_
(
dict.lookupOrDefault("concaveAngle", defaultConcaveAngle)
),
nGrow_(readLabel(dict.lookup("nGrow"))),
nSmoothSurfaceNormals_
(
readLabel(dict.lookup("nSmoothSurfaceNormals"))
),
nSmoothNormals_(readLabel(dict.lookup("nSmoothNormals"))),
nSmoothThickness_(readLabel(dict.lookup("nSmoothThickness"))),
maxFaceThicknessRatio_
(
readScalar(dict.lookup("maxFaceThicknessRatio"))
),
layerTerminationCos_
(
Foam::cos
(
0.5
* featureAngle_
* mathematicalConstant::pi/180.
)
),
maxThicknessToMedialRatio_
(
readScalar(dict.lookup("maxThicknessToMedialRatio"))
),
minMedianAxisAngleCos_
(
Foam::cos(readScalar(dict.lookup("minMedianAxisAngle")))
* mathematicalConstant::pi/180.
),
nBufferCellsNoExtrude_
(
readLabel(dict.lookup("nBufferCellsNoExtrude"))
),
nSnap_(readLabel(dict.lookup("nRelaxIter")))
{
const dictionary& layersDict = dict.subDict("layers");
forAll(boundaryMesh, patchI)
{
const word& patchName = boundaryMesh[patchI].name();
if (layersDict.found(patchName))
{
const dictionary& layerDict = layersDict.subDict(patchName);
numLayers_[patchI] =
readLabel(layerDict.lookup("nSurfaceLayers"));
//- Patch-wise layer parameters disabled for now. Just remove
// settings in initialiser list and uncomment below.
//expansionRatio_[patchI] =
// readScalar(layerDict.lookup("expansionRatio"));
//finalLayerRatio_[patchI] =
// readScalar(layerDict.lookup("finalLayerRatio"));
//minThickness_[patchI] =
// readScalar(layerDict.lookup("minThickness"));
}
}
// Check whether layer specification matches any patches
const List<keyType> wildCards = layersDict.keys(true);
forAll(wildCards, i)
{
regExp re(wildCards[i]);
bool hasMatch = false;
forAll(boundaryMesh, patchI)
{
if (re.match(boundaryMesh[patchI].name()))
{
hasMatch = true;
break;
}
}
if (!hasMatch)
{
IOWarningIn("layerParameters::layerParameters(..)", layersDict)
<< "Wildcard layer specification for " << wildCards[i]
<< " does not match any patch." << endl;
}
}
const List<keyType> nonWildCards = layersDict.keys(false);
forAll(nonWildCards, i)
{
if (boundaryMesh.findPatchID(nonWildCards[i]) == -1)
{
IOWarningIn("layerParameters::layerParameters(..)", layersDict)
<< "Layer specification for " << nonWildCards[i]
<< " does not match any patch." << endl;
}
}
}
// ************************************************************************* //