586 lines
14 KiB
C++
586 lines
14 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Copyright (C) 2023 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "snappyHexMeshConfiguration.H"
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#include "Tuple3.H"
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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void Foam::snappyHexMeshConfiguration::writeSnappySwitches()
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{
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dictionary dict("switches");
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dict.add("castellatedMesh", "on", true);
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dict.add("snap", "on", true);
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dict.add
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(
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"addLayers",
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layers_.empty() ? "off" : "on",
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true
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);
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dict.write(os_, false);
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os_ << endl;
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}
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void Foam::snappyHexMeshConfiguration::writeGeometrySurface(const label surfID)
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{
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beginDict(os_, surfaces_[surfID].name());
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os_ << indent << "type triSurfaceMesh;" << nl
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<< indent << "file " << surfaces_[surfID].file() << ";" << endl;
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const wordList& inletRegions = surfaces_[surfID].inletRegions();
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const wordList& outletRegions = surfaces_[surfID].outletRegions();
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if (!inletRegions.empty() || !outletRegions.empty())
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{
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beginDict(os_, "regions");
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forAll(inletRegions, i)
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{
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const word& region = inletRegions[i];
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const word patch =
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(
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region == "<inletRegion>" || inletRegions.size() == 1
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? "inlet"
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: region
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);
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os_ << indent << region << " { name " << patch << "; }" << endl;
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}
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forAll(outletRegions, i)
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{
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const word& region = outletRegions[i];
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const word patch =
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(
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region == "<outletRegion>" || outletRegions.size() == 1
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? "outlet"
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: region
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);
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os_ << indent << region << " { name " << patch << "; }" << endl;
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}
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endDict(os_, false);
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}
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endDict(os_, false);
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}
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void Foam::snappyHexMeshConfiguration::writeSearchableBox(const label i)
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{
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beginDict(os_, "box" + std::to_string(i));
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os_ << indent << "type searchableBox;" << nl
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<< indent << "min " << refinementBoxes_[i].first() << ";" << nl
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<< indent << "max " << refinementBoxes_[i].second() << ";" << endl;
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endDict(os_);
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}
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void Foam::snappyHexMeshConfiguration::writeSnappyGeometry()
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{
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beginDict(os_, "geometry");
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forAll(surfaces_, i)
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{
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if (i != 0)
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{
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os_ << endl;
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}
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writeGeometrySurface(i);
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}
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forAll(refinementBoxes_, i)
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{
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os_ << endl;
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writeSearchableBox(i);
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}
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endDict(os_);
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}
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void Foam::snappyHexMeshConfiguration::writeFeatures()
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{
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beginList(os_, "features");
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if (explicitFeatures_)
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{
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forAll(surfaces_, i)
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{
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fileName eMeshFile(surfaces_[i].name() + ".eMesh");
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os_ << indent << "{ file " << eMeshFile
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<< "; level 1; }" << endl;
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}
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}
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endList(os_);
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}
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void Foam::snappyHexMeshConfiguration::writeRefinementSurfacesLevel
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(
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const label rl
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)
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{
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os_ << indent << "level (" << rl << " " << rl << ");" << endl;
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}
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void Foam::snappyHexMeshConfiguration::writeRefinementSurfacesLevel()
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{
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writeRefinementSurfacesLevel(refinementLevel_);
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}
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void Foam::snappyHexMeshConfiguration::writeRefinementSurfacesLevel
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(
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const word& name
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)
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{
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label rl(refinementLevel_);
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forAll(surfaceLevels_, i)
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{
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if (surfaceLevels_[i].first() == name)
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{
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rl = surfaceLevels_[i].second();
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break;
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}
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}
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writeRefinementSurfacesLevel(rl);
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}
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void Foam::snappyHexMeshConfiguration::writePatchInfo
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(
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const word& type,
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const word& group
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)
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{
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if (group.empty())
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{
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os_ << indent << "patchInfo { type " << type << "; }" << endl;
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}
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else
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{
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beginDict(os_, "patchInfo");
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os_ << indent << "type "<< type << ";" << endl;
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os_ << indent << "inGroups (" << group << ");" << endl;
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endDict(os_, false);
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}
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}
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void Foam::snappyHexMeshConfiguration::writeRefinementSurfacesRegion
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(
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const word regionName,
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const List<word>& regions
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)
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{
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switch (regions.size())
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{
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case 0:
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{
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return;
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}
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case 1:
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{
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os_ << indent << regions[0] << endl;
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break;
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}
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default:
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{
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os_ << indent << "\"" << regionName << ".*\"" << endl;
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}
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}
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beginDict(os_);
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writeRefinementSurfacesLevel();
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word group(regionName);
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if (regions.size() == 1 && regions[0] == regionName)
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{
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group = "";
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}
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writePatchInfo("patch", group);
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endDict(os_, false);
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}
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void Foam::snappyHexMeshConfiguration::writeRefinementSurfacesRegions
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(
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const wordList& inletRegions,
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const wordList& outletRegions
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)
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{
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if (inletRegions.empty() && outletRegions.empty())
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{
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return;
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}
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os_ << endl;
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beginDict(os_, "regions");
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writeRefinementSurfacesRegion("inlet", inletRegions);
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writeRefinementSurfacesRegion("outlet", outletRegions);
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endDict(os_, false);
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}
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void Foam::snappyHexMeshConfiguration::writeRefinementSurfaces()
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{
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beginDict(os_, "refinementSurfaces");
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forAll(surfaces_, i)
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{
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if (i != 0)
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{
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os_ << endl;
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}
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const word& name = surfaces_[i].name();
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beginDict(os_, name);
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writeRefinementSurfacesLevel(name);
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const wordList& inletRegions = surfaces_[i].inletRegions();
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const wordList& outletRegions = surfaces_[i].outletRegions();
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switch (surfaces_[i].type())
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{
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case surfaceType::wall:
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{
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writePatchInfo("wall");
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writeRefinementSurfacesRegions(inletRegions, outletRegions);
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break;
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}
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case surfaceType::external:
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{
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writePatchInfo("wall", "externalWall");
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writeRefinementSurfacesRegions(inletRegions, outletRegions);
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break;
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}
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case surfaceType::cellZone:
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case surfaceType::rotatingZone:
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{
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os_ << indent << "faceZone "
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<< surfaces_[i].name() << ";" << nl
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<< indent << "cellZone "
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<< surfaces_[i].name() << ";" << nl
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<< indent << "mode inside;" << endl;
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break;
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}
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case surfaceType::baffle:
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{
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writePatchInfo("wall");
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os_ << indent << "faceZone "
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<< surfaces_[i].name() << ";" << nl
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<< indent << "faceType boundary;" << endl;
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break;
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}
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}
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endDict(os_, false);
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}
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endDict(os_);
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}
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void Foam::snappyHexMeshConfiguration::writeRefinementRegion
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(
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const word& name,
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const label level
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)
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{
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beginDict(os_, name);
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os_ << indent << "mode inside;" << nl
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<< indent << "level " << level << ";" << endl;
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endDict(os_, false);
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}
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void Foam::snappyHexMeshConfiguration::writeRefinementRegions()
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{
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if
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(
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refinementRegions_.empty()
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&& refinementBoxes_.empty()
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&& refinementDists_.empty()
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)
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{
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os_ << indent
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<< "// delete \"-disabled\" below to enable refinementRegions"
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<< endl;
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beginDict(os_, "refinementRegions-disabled");
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writeRefinementRegion("<surface>", refinementLevel_);
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endDict(os_);
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}
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else
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{
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beginDict(os_, "refinementRegions");
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forAll(refinementRegions_, i)
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{
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writeRefinementRegion
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(
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refinementRegions_[i].first(),
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refinementRegions_[i].second()
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);
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}
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forAll(refinementBoxes_, i)
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{
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writeRefinementRegion
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(
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"box" + std::to_string(i),
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refinementBoxes_[i].third()
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);
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}
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forAll(refinementDists_, i)
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{
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beginDict(os_, refinementDists_[i].first());
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os_ << indent << "mode distance;" << nl
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<< indent << "levels (("
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<< refinementDists_[i].second() << " "
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<< refinementDists_[i].third() << "));" << endl;
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endDict(os_, false);
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}
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endDict(os_);
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}
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}
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void Foam::snappyHexMeshConfiguration::writeCastellatedMeshControls()
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{
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beginDict(os_, "castellatedMeshControls");
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writeFeatures();
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writeRefinementSurfaces();
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writeRefinementRegions();
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// Needs customising
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os_ << indent << "insidePoint "
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<< insidePoint_ << ";" << endl;
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os_ << indent << "nCellsBetweenLevels "
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<< nCellsBetweenLevels_
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<< ";" << endl;
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endDict(os_);
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}
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void Foam::snappyHexMeshConfiguration::writeSnapControls()
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{
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beginDict(os_, "snapControls");
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os_ << indent << "explicitFeatureSnap "
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<< (explicitFeatures_ ? "on" : "off") << ";" << endl;
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os_ << indent << "implicitFeatureSnap "
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<< (explicitFeatures_ ? "off" : "on") << ";" << endl;
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endDict(os_);
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}
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void Foam::snappyHexMeshConfiguration::writeAddLayersControls()
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{
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// Include addLayersControls sub-dict with zero layers when layers are
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// switched off, so they can be conveniently switched on later.
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beginDict(os_, "addLayersControls");
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beginDict(os_, "layers");
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if (layers_.empty())
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{
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// Add convenient entries with zero layers if layers are switched off.
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forAll(surfaces_, i)
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{
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switch (surfaces_[i].type())
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{
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case surfaceType::wall:
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case surfaceType::external:
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case surfaceType::baffle:
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{
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os_ << indent << "\"" << surfaces_[i].name()
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<< ".*\" { nSurfaceLayers 0; }" << endl;
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break;
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}
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default: break;
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}
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}
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}
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else
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{
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// Add entries for specified surfaces.
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forAll(layers_, i)
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{
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os_ << indent << "\"" << layers_[i].first()
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<< ".*\" { nSurfaceLayers "
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<< layers_[i].second() << "; }" << endl;
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}
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}
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endDict(os_);
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bool relativeSizes(firstLayerThickness_ == 0);
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// relativeSizes
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os_ << indent << "relativeSizes "
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<< (
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relativeSizes
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? "on; // off, usually with firstLayerThickness"
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: "off; // on, usually with finalLayerThickness"
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) << endl;
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// expansionRatio
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os_ << indent << "expansionRatio "<< layerExpansionRatio_
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<< ";" << endl;
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// finalLayerThickness
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os_ << indent << "finalLayerThickness"
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<< (relativeSizes ? " " : "-disabled ") << "0.5;" << endl;
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// minimumThickness
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os_ << indent << "minThickness "
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<< (relativeSizes ? scalar(0.001) : 0.5*firstLayerThickness_)
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<< ";" << endl;
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// firstLayerThickness
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os_ << indent << "firstLayerThickness"
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<< (relativeSizes ? "-disabled " : " ")
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<< firstLayerThickness_ << ";" << endl;
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// maxThicknessToMedialRatio
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os_ << indent << "maxThicknessToMedialRatio-disabled 0.3;" << endl;
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endDict(os_);
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}
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void Foam::snappyHexMeshConfiguration::writeWriteFlags()
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{
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os_ << "// delete \"-disabled\" to output mesh data, e.g. for layers"
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<< endl;
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beginList(os_, "writeFlags-disabled");
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os_ << indent << "scalarLevels" << endl;
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os_ << indent << "layerSets" << endl;
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os_ << indent << "layerFields" << endl;
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endList(os_);
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::snappyHexMeshConfiguration::snappyHexMeshConfiguration
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(
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const fileName& name,
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const fileName& dir,
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const Time& time,
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const meshingSurfaceList& surfaces,
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const label refinementLevel,
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const List<Tuple2<word, label>>& surfaceLevels,
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const List<Tuple2<word, label>>& refinementRegions,
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const List<Tuple3<vector, vector, label>>& refinementBoxes,
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const List<Tuple3<word, scalar, label>>& refinementDists,
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const bool explicitFeatures,
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const List<Tuple2<word, label>>& layers,
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const scalar firstLayerThickness,
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const scalar layerExpansionRatio,
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const point& insidePoint,
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const label nCellsBetweenLevels
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)
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:
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caseFileConfiguration(name, dir, time),
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surfaces_(surfaces),
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refinementLevel_(refinementLevel),
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surfaceLevels_(surfaceLevels),
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refinementRegions_(refinementRegions),
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refinementBoxes_(refinementBoxes),
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refinementDists_(refinementDists),
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explicitFeatures_(explicitFeatures),
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layers_(layers),
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firstLayerThickness_(firstLayerThickness),
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layerExpansionRatio_(layerExpansionRatio),
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insidePoint_(insidePoint),
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nCellsBetweenLevels_(nCellsBetweenLevels)
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::snappyHexMeshConfiguration::~snappyHexMeshConfiguration()
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{}
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// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
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void Foam::snappyHexMeshConfiguration::write()
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{
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dict_.writeHeader(os_, word("dictionary"));
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os_ << "#includeEtc \"caseDicts/mesh/generation/snappyHexMeshDict.cfg\""
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<< nl << endl;
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writeSnappySwitches();
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writeSnappyGeometry();
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writeCastellatedMeshControls();
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writeSnapControls();
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writeAddLayersControls();
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writeWriteFlags();
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os_ << "mergeTolerance 1e-6;";
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dict_.writeEndDivider(os_);
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}
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// ************************************************************************* //
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