359 lines
9 KiB
C
359 lines
9 KiB
C
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/*---------------------------------------------------------------------------*\
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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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\*---------------------------------------------------------------------------*/
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#include "extrudedMesh.H"
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#include "wallPolyPatch.H"
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#include "meshTools.H"
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#include "ListOps.H"
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#include "OFstream.H"
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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bool Foam::extrudedMesh::sameOrder(const face& f, const edge& e)
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{
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label i = findIndex(f, e[0]);
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label nextI = (i == f.size()-1 ? 0 : i+1);
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return f[nextI] == e[1];
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}
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template
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<
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class Face,
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template<class> class FaceList,
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class PointField
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>
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Foam::pointField Foam::extrudedMesh::extrudedPoints
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(
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const PrimitivePatch<Face, FaceList, PointField>& extrudePatch,
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const extrudeModel& model
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)
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{
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const pointField& surfacePoints = extrudePatch.localPoints();
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const vectorField& surfaceNormals = extrudePatch.pointNormals();
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const label nLayers = model.nLayers();
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pointField ePoints((nLayers + 1)*surfacePoints.size());
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for (label layer=0; layer<=nLayers; layer++)
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{
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label offset = layer*surfacePoints.size();
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forAll(surfacePoints, i)
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{
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ePoints[offset + i] = model
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(
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surfacePoints[i],
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surfaceNormals[i],
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layer
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);
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}
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}
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return ePoints;
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}
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template<class Face, template<class> class FaceList, class PointField>
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Foam::faceList Foam::extrudedMesh::extrudedFaces
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(
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const PrimitivePatch<Face, FaceList, PointField>& extrudePatch,
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const extrudeModel& model
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)
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{
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const pointField& surfacePoints = extrudePatch.localPoints();
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const List<face>& surfaceFaces = extrudePatch.localFaces();
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const edgeList& surfaceEdges = extrudePatch.edges();
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const label nInternalEdges = extrudePatch.nInternalEdges();
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const label nLayers = model.nLayers();
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label nFaces =
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(nLayers + 1)*surfaceFaces.size() + nLayers*surfaceEdges.size();
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faceList eFaces(nFaces);
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labelList quad(4);
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label facei = 0;
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// Internal faces
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for (label layer=0; layer<nLayers; layer++)
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{
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label currentLayerOffset = layer*surfacePoints.size();
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label nextLayerOffset = currentLayerOffset + surfacePoints.size();
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// Side faces from layer to layer+1
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for (label i=0; i<nInternalEdges; i++)
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{
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quad[0] = surfaceEdges[i][1] + currentLayerOffset;
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quad[1] = surfaceEdges[i][0] + currentLayerOffset;
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quad[2] = surfaceEdges[i][0] + nextLayerOffset;
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quad[3] = surfaceEdges[i][1] + nextLayerOffset;
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eFaces[facei++] = face(quad);
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}
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// Faces between layer and layer+1
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if (layer < nLayers-1)
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{
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forAll(surfaceFaces, i)
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{
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eFaces[facei++] =
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face
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(
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surfaceFaces[i].reverseFace()
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+ nextLayerOffset
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);
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}
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}
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}
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// External side faces
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for (label layer=0; layer<nLayers; layer++)
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{
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label currentLayerOffset = layer*surfacePoints.size();
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label nextLayerOffset = currentLayerOffset + surfacePoints.size();
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// Side faces across layer
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for (label i=nInternalEdges; i<surfaceEdges.size(); i++)
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{
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const edge& e = surfaceEdges[i];
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quad[0] = e[1] + currentLayerOffset;
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quad[1] = e[0] + currentLayerOffset;
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quad[2] = e[0] + nextLayerOffset;
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quad[3] = e[1] + nextLayerOffset;
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label ownerFace = extrudePatch.edgeFaces()[i][0];
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if (!sameOrder(surfaceFaces[ownerFace], e))
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{
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reverse(quad);
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}
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eFaces[facei++] = face(quad);
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}
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}
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// Top faces
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forAll(surfaceFaces, i)
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{
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eFaces[facei++] = face(surfaceFaces[i]);
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}
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// Bottom faces
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forAll(surfaceFaces, i)
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{
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eFaces[facei++] =
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face
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(
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surfaceFaces[i].reverseFace()
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+ nLayers*surfacePoints.size()
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);
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}
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return eFaces;
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}
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template<class Face, template<class> class FaceList, class PointField>
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Foam::cellList Foam::extrudedMesh::extrudedCells
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(
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const PrimitivePatch<Face, FaceList, PointField>& extrudePatch,
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const extrudeModel& model
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)
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{
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const List<face>& surfaceFaces = extrudePatch.localFaces();
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const edgeList& surfaceEdges = extrudePatch.edges();
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const label nInternalEdges = extrudePatch.nInternalEdges();
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const label nLayers = model.nLayers();
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cellList eCells(nLayers*surfaceFaces.size());
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// Size the cells
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forAll(surfaceFaces, i)
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{
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const face& f = surfaceFaces[i];
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for (label layer=0; layer<nLayers; layer++)
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{
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eCells[i + layer*surfaceFaces.size()].setSize(f.size() + 2);
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}
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}
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// Current face count per cell.
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labelList nCellFaces(eCells.size(), 0);
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label facei = 0;
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for (label layer=0; layer<nLayers; layer++)
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{
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// Side faces from layer to layer+1
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for (label i=0; i<nInternalEdges; i++)
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{
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// Get patch faces using edge
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const labelList& edgeFaces = extrudePatch.edgeFaces()[i];
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// Get cells on this layer
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label cell0 = layer*surfaceFaces.size() + edgeFaces[0];
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label cell1 = layer*surfaceFaces.size() + edgeFaces[1];
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eCells[cell0][nCellFaces[cell0]++] = facei;
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eCells[cell1][nCellFaces[cell1]++] = facei;
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facei++;
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}
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// Faces between layer and layer+1
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if (layer < nLayers-1)
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{
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forAll(surfaceFaces, i)
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{
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label cell0 = layer*surfaceFaces.size() + i;
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label cell1 = (layer+1)*surfaceFaces.size() + i;
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eCells[cell0][nCellFaces[cell0]++] = facei;
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eCells[cell1][nCellFaces[cell1]++] = facei;
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facei++;
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}
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}
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}
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// External side faces
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for (label layer=0; layer<nLayers; layer++)
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{
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// Side faces across layer
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for (label i=nInternalEdges; i<surfaceEdges.size(); i++)
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{
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// Get patch faces using edge
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const labelList& edgeFaces = extrudePatch.edgeFaces()[i];
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// Get cells on this layer
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label cell0 = layer*surfaceFaces.size() + edgeFaces[0];
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eCells[cell0][nCellFaces[cell0]++] = facei;
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facei++;
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}
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}
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// Top faces
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forAll(surfaceFaces, i)
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{
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eCells[i][nCellFaces[i]++] = facei;
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facei++;
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}
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// Bottom faces
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forAll(surfaceFaces, i)
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{
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label cell0 = (nLayers-1)*surfaceFaces.size() + i;
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eCells[cell0][nCellFaces[cell0]++] = facei;
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facei++;
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}
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return eCells;
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template
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<
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class Face,
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template<class> class FaceList,
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class PointField
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>
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Foam::extrudedMesh::extrudedMesh
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(
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const IOobject& io,
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const PrimitivePatch<Face, FaceList, PointField>& extrudePatch,
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const extrudeModel& model
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)
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:
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polyMesh
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(
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io,
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extrudedPoints(extrudePatch, model),
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extrudedFaces(extrudePatch, model),
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extrudedCells(extrudePatch, model)
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),
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model_(model)
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{
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List<polyPatch*> patches(3);
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label facei = nInternalFaces();
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label sz =
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model_.nLayers()
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*(extrudePatch.nEdges() - extrudePatch.nInternalEdges());
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patches[0] = new wallPolyPatch
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(
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"sides",
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sz,
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facei,
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0,
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boundaryMesh()
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);
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facei += sz;
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patches[1] = new polyPatch
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(
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"originalPatch",
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extrudePatch.size(),
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facei,
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1,
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boundaryMesh()
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);
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facei += extrudePatch.size();
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patches[2] = new polyPatch
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(
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"otherSide",
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extrudePatch.size(),
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facei,
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2,
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boundaryMesh()
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);
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addPatches(patches);
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}
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// ************************************************************************* //
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