328 lines
8.3 KiB
C
328 lines
8.3 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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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 the
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Free Software Foundation; either version 2 of the License, or (at your
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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, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Application
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makeFaMesh
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Description
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A mesh generator for finite area mesh.
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\*---------------------------------------------------------------------------*/
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#include "Time.H"
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#include "argList.H"
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#include "OSspecific.H"
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#include "faMesh.H"
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#include "fvMesh.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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class faPatchData
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{
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public:
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word name_;
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word type_;
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dictionary dict_;
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label ownPolyPatchID_;
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label ngbPolyPatchID_;
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labelList edgeLabels_;
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faPatchData()
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:
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name_(word::null),
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type_(word::null),
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ownPolyPatchID_(-1),
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ngbPolyPatchID_(-1)
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{}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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# include "setRootCase.H"
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# include "createTime.H"
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# include "createMesh.H"
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// Reading faMeshDefinition dictionary
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IOdictionary faMeshDefinition
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(
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IOobject
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(
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"faMeshDefinition",
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runTime.constant(),
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"faMesh",
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mesh,
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IOobject::MUST_READ,
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IOobject::NO_WRITE
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)
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);
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wordList polyMeshPatches
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(
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faMeshDefinition.lookup("polyMeshPatches")
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);
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dictionary bndDict = faMeshDefinition.subDict("boundary");
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wordList faPatchNames = bndDict.toc();
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List<faPatchData> faPatches(faPatchNames.size()+1);
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forAll (faPatchNames, patchI)
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{
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dictionary curPatchDict =
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bndDict.subDict(faPatchNames[patchI]);
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faPatches[patchI].name_ = faPatchNames[patchI];
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faPatches[patchI].type_ =
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word(curPatchDict.lookup("type"));
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word ownName = curPatchDict.lookup("ownerPolyPatch");
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faPatches[patchI].ownPolyPatchID_ =
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mesh.boundaryMesh().findPatchID(ownName);
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if ( faPatches[patchI].ownPolyPatchID_ < 0 )
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{
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FatalErrorIn("makeFaMesh:")
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<< "neighbourPolyPatch " << ownName << " does not exist"
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<< exit(FatalError);
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}
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word neiName = curPatchDict.lookup("neighbourPolyPatch");
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faPatches[patchI].ngbPolyPatchID_ =
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mesh.boundaryMesh().findPatchID(neiName);
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if ( faPatches[patchI].ngbPolyPatchID_ < 0 )
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{
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FatalErrorIn("makeFaMesh:")
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<< "neighbourPolyPatch " << neiName << " does not exist"
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<< exit(FatalError);
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}
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}
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// Setting faceLabels list size
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label size = 0;
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labelList patchIDs(polyMeshPatches.size(), -1);
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forAll (polyMeshPatches, patchI)
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{
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patchIDs[patchI] =
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mesh.boundaryMesh().findPatchID(polyMeshPatches[patchI]);
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if ( patchIDs[patchI] < 0 )
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{
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FatalErrorIn("makeFaMesh:")
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<< "Patch " << polyMeshPatches[patchI] << " does not exist"
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<< exit(FatalError);
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}
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size += mesh.boundaryMesh()[patchIDs[patchI]].size();
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}
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labelList faceLabels(size, -1);
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sort(patchIDs);
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// Filling of faceLabels list
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label faceI = -1;
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forAll (polyMeshPatches, patchI)
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{
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label start = mesh.boundaryMesh()[patchIDs[patchI]].start();
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label size = mesh.boundaryMesh()[patchIDs[patchI]].size();
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for(label i = 0; i < size; i++)
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{
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faceLabels[++faceI] = start + i;
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}
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}
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// Creating faMesh
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Info << "Create faMesh ... ";
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faMesh areaMesh
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(
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mesh,
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faceLabels
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);
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Info << "Done" << endl;
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// Determination of faPatch ID for each boundary edge.
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// Result is in the bndEdgeFaPatchIDs list
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const indirectPrimitivePatch& patch = areaMesh.patch();
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labelList faceCells(faceLabels.size(), -1);
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forAll (faceCells, faceI)
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{
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label faceID = faceLabels[faceI];
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faceCells[faceI] = mesh.faceOwner()[faceID];
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}
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labelList meshEdges =
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patch.meshEdges
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(
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mesh.edges(),
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mesh.cellEdges(),
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faceCells
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);
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const labelListList& edgeFaces = mesh.edgeFaces();
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const label nTotalEdges = patch.nEdges();
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const label nInternalEdges = patch.nInternalEdges();
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labelList bndEdgeFaPatchIDs(nTotalEdges - nInternalEdges, -1);
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for (label edgeI = nInternalEdges; edgeI < nTotalEdges; edgeI++)
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{
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label curMeshEdge = meshEdges[edgeI];
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labelList curEdgePatchIDs(2, -1);
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label patchI = -1;
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forAll (edgeFaces[curMeshEdge], faceI)
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{
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label curFace = edgeFaces[curMeshEdge][faceI];
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label curPatchID = mesh.boundaryMesh().whichPatch(curFace);
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if (curPatchID != -1)
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{
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curEdgePatchIDs[++patchI] = curPatchID;
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}
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}
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for(label pI = 0; pI < faPatches.size() - 1; pI++)
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{
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if
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(
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(
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curEdgePatchIDs[0] == faPatches[pI].ownPolyPatchID_
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&& curEdgePatchIDs[1] == faPatches[pI].ngbPolyPatchID_
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)
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||
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(
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curEdgePatchIDs[1] == faPatches[pI].ownPolyPatchID_
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&& curEdgePatchIDs[0] == faPatches[pI].ngbPolyPatchID_
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)
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)
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{
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bndEdgeFaPatchIDs[edgeI - nInternalEdges] = pI;
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break;
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}
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}
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}
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// Set edgeLabels for each faPatch
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for(label pI=0; pI<(faPatches.size()-1); pI++)
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{
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SLList<label> tmpList;
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forAll (bndEdgeFaPatchIDs, eI)
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{
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if (bndEdgeFaPatchIDs[eI] == pI)
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{
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tmpList.append(nInternalEdges + eI);
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}
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}
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faPatches[pI].edgeLabels_ = tmpList;
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}
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// Check for undefined edges
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SLList<label> tmpList;
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forAll (bndEdgeFaPatchIDs, eI)
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{
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if (bndEdgeFaPatchIDs[eI] == -1)
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{
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tmpList.append(nInternalEdges + eI);
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}
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}
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if (tmpList.size() > 0)
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{
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label pI = faPatches.size()-1;
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faPatches[pI].name_ = "undefined";
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faPatches[pI].type_ = "patch";
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faPatches[pI].edgeLabels_ = tmpList;
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}
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// Add good patches to faMesh
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SLList<faPatch*> faPatchLst;
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for(label pI = 0; pI < faPatches.size(); pI++)
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{
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faPatches[pI].dict_.add("type", faPatches[pI].type_);
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faPatches[pI].dict_.add("edgeLabels", faPatches[pI].edgeLabels_);
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faPatches[pI].dict_.add
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(
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"ngbPolyPatchIndex",
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faPatches[pI].ngbPolyPatchID_
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);
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if(faPatches[pI].edgeLabels_.size() > 0)
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{
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faPatchLst.append
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(
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faPatch::New
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(
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faPatches[pI].name_,
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faPatches[pI].dict_,
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pI,
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areaMesh.boundary()
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).ptr()
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);
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}
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}
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Info << "Add faPatches ... ";
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areaMesh.addFaPatches(List<faPatch*>(faPatchLst));
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Info << "Done" << endl;
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// Writing faMesh
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Info << "Write finite area mesh ... ";
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areaMesh.write();
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Info << "Done" << endl;
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return(0);
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}
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// ************************************************************************* //
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