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Creation of OpenFOAM-dev repository 15/04/2008
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OpenFOAM-admin
334
src/OpenFOAM/meshes/primitiveMesh/primitiveMesh.C
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334
src/OpenFOAM/meshes/primitiveMesh/primitiveMesh.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 (C) 1991-2007 OpenCFD Ltd.
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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 "primitiveMesh.H"
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#include "demandDrivenData.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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defineTypeNameAndDebug(primitiveMesh, 0);
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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primitiveMesh::primitiveMesh()
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:
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nInternalPoints_(0), // note: points are considered ordered on empty mesh
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nPoints_(0),
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nInternal0Edges_(-1),
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nInternal1Edges_(-1),
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nInternalEdges_(-1),
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nEdges_(-1),
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nInternalFaces_(0),
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nFaces_(0),
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nCells_(0),
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cellShapesPtr_(NULL),
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edgesPtr_(NULL),
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ccPtr_(NULL),
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ecPtr_(NULL),
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pcPtr_(NULL),
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cfPtr_(NULL),
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efPtr_(NULL),
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pfPtr_(NULL),
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cePtr_(NULL),
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fePtr_(NULL),
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pePtr_(NULL),
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ppPtr_(NULL),
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cpPtr_(NULL),
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cellCentresPtr_(NULL),
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faceCentresPtr_(NULL),
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cellVolumesPtr_(NULL),
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faceAreasPtr_(NULL)
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{}
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// Construct from components
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// WARNING: ASSUMES CORRECT ORDERING OF DATA.
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primitiveMesh::primitiveMesh
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(
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const label nPoints,
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const label nInternalFaces,
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const label nFaces,
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const label nCells
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)
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:
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nInternalPoints_(-1),
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nPoints_(nPoints),
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nEdges_(-1),
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nInternalFaces_(nInternalFaces),
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nFaces_(nFaces),
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nCells_(nCells),
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cellShapesPtr_(NULL),
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edgesPtr_(NULL),
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ccPtr_(NULL),
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ecPtr_(NULL),
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pcPtr_(NULL),
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cfPtr_(NULL),
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efPtr_(NULL),
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pfPtr_(NULL),
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cePtr_(NULL),
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fePtr_(NULL),
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pePtr_(NULL),
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ppPtr_(NULL),
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cpPtr_(NULL),
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cellCentresPtr_(NULL),
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faceCentresPtr_(NULL),
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cellVolumesPtr_(NULL),
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faceAreasPtr_(NULL)
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{
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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primitiveMesh::~primitiveMesh()
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{
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clearOut();
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}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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bool primitiveMesh::calcPointOrder
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(
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label& nInternalPoints,
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labelList& oldToNew,
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const faceList& faces,
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const label nInternalFaces,
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const label nPoints
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)
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{
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// Internal points are points that are not used by a boundary face.
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// Map from old to new position
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oldToNew.setSize(nPoints);
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oldToNew = -1;
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// 1. Create compact addressing for boundary points. Start off by indexing
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// from 0 inside oldToNew. (shifted up later on)
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label nBoundaryPoints = 0;
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for (label faceI = nInternalFaces; faceI < faces.size(); faceI++)
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{
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const face& f = faces[faceI];
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forAll(f, fp)
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{
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label pointI = f[fp];
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if (oldToNew[pointI] == -1)
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{
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oldToNew[pointI] = nBoundaryPoints++;
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}
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}
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}
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// Now we know the number of boundary and internal points
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nInternalPoints = nPoints - nBoundaryPoints;
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// Move the boundary addressing up
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forAll(oldToNew, pointI)
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{
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if (oldToNew[pointI] != -1)
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{
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oldToNew[pointI] += nInternalPoints;
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}
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}
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// 2. Compact the internal points. Detect whether internal and boundary
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// points are mixed.
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label internalPointI = 0;
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bool ordered = true;
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for (label faceI = 0; faceI < nInternalFaces; faceI++)
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{
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const face& f = faces[faceI];
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forAll(f, fp)
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{
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label pointI = f[fp];
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if (oldToNew[pointI] == -1)
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{
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if (pointI >= nInternalPoints)
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{
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ordered = false;
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}
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oldToNew[pointI] = internalPointI++;
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}
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}
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}
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return ordered;
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}
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void primitiveMesh::reset
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(
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const label nPoints,
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const label nInternalFaces,
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const label nFaces,
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const label nCells
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)
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{
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clearOut();
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nPoints_ = nPoints;
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nEdges_ = -1;
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nInternal0Edges_ = -1;
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nInternal1Edges_ = -1;
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nInternalEdges_ = -1;
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nInternalFaces_ = nInternalFaces;
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nFaces_ = nFaces;
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nCells_ = nCells;
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// Check if points are ordered
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label nInternalPoints;
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labelList pointMap;
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bool isOrdered = calcPointOrder
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(
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nInternalPoints,
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pointMap,
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faces(),
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nInternalFaces_,
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nPoints_
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);
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if (isOrdered)
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{
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nInternalPoints_ = nInternalPoints;
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}
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else
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{
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nInternalPoints_ = -1;
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}
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if (debug)
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{
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Pout<< "primitiveMesh::reset : mesh reset to"
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<< " nInternalPoints:" << nInternalPoints_
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<< " nPoints:" << nPoints_
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<< " nEdges:" << nEdges_
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<< " nInternalFaces:" << nInternalFaces_
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<< " nFaces:" << nFaces_
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<< " nCells:" << nCells_
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<< endl;
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}
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}
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void primitiveMesh::reset
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(
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const label nPoints,
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const label nInternalFaces,
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const label nFaces,
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const label nCells,
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cellList& c
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)
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{
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reset
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(
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nPoints,
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nInternalFaces,
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nFaces,
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nCells
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);
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cfPtr_ = new cellList(c, true);
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}
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tmp<scalarField> primitiveMesh::movePoints
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(
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const pointField& newPoints,
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const pointField& oldPoints
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)
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{
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if (newPoints.size() < nPoints() || oldPoints.size() < nPoints())
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{
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FatalErrorIn
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(
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"primitiveMesh::movePoints(const pointField& newPoints, "
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"const pointField& oldPoints)"
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) << "Cannot move points: size of given point list smaller "
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<< "than the number of active points"
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<< abort(FatalError);
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}
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// Create swept volumes
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const faceList& f = faces();
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tmp<scalarField> tsweptVols(new scalarField(f.size()));
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scalarField& sweptVols = tsweptVols();
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forAll(f, faceI)
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{
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sweptVols[faceI] = f[faceI].sweptVol(oldPoints, newPoints);
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}
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// Force recalculation of all geometric data with new points
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clearGeom();
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return tsweptVols;
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}
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const cellShapeList& primitiveMesh::cellShapes() const
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{
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if (!cellShapesPtr_)
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{
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calcCellShapes();
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}
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return *cellShapesPtr_;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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