mirror of
https://develop.openfoam.com/Development/openfoam.git
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Creation of OpenFOAM-dev repository 15/04/2008
This commit is contained in:
OpenFOAM-admin
@ -0,0 +1,421 @@
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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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Description
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\*---------------------------------------------------------------------------*/
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#include "curveSet.H"
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#include "meshSearch.H"
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#include "DynamicList.H"
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#include "polyMesh.H"
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#include "Cloud.H"
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#include "passiveParticle.H"
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#include "IDLList.H"
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#include "addToRunTimeSelectionTable.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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defineTypeNameAndDebug(curveSet, 0);
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addToRunTimeSelectionTable(sampleSet, curveSet, word);
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}
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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// Sample till hits boundary.
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bool Foam::curveSet::trackToBoundary
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(
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Particle<passiveParticle>& singleParticle,
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label& sampleI,
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DynamicList<point>& samplingPts,
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DynamicList<label>& samplingCells,
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DynamicList<label>& samplingFaces,
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DynamicList<scalar>& samplingCurveDist
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) const
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{
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// Alias
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const point& trackPt = singleParticle.position();
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while(true)
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{
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// Local geometry info
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const vector offset = sampleCoords_[sampleI+1] - sampleCoords_[sampleI];
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const scalar smallDist = mag(tol*offset);
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point oldPos = trackPt;
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label facei = -1;
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do
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{
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singleParticle.stepFraction() = 0;
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singleParticle.track(sampleCoords_[sampleI+1]);
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}
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while
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(
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!singleParticle.onBoundary()
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&& (mag(trackPt - oldPos) < smallDist)
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);
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if (singleParticle.onBoundary())
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{
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//Info<< "trackToBoundary : reached boundary"
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// << " trackPt:" << trackPt << endl;
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if
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(
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mag(trackPt - sampleCoords_[sampleI+1])
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< smallDist
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)
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{
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// Reached samplePt on boundary
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//Info<< "trackToBoundary : boundary. also sampling."
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// << " trackPt:" << trackPt << " sampleI+1:" << sampleI+1
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// << endl;
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samplingPts.append(trackPt);
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samplingCells.append(singleParticle.cell());
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samplingFaces.append(facei);
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// trackPt is at sampleI+1
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samplingCurveDist.append(1.0*(sampleI+1));
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}
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return true;
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}
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// Reached samplePt in cell
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samplingPts.append(trackPt);
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samplingCells.append(singleParticle.cell());
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samplingFaces.append(-1);
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// Convert trackPt to fraction inbetween sampleI and sampleI+1
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scalar dist =
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mag(trackPt - sampleCoords_[sampleI])
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/ mag(sampleCoords_[sampleI+1] - sampleCoords_[sampleI]);
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samplingCurveDist.append(sampleI + dist);
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// go to next samplePt
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sampleI++;
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if (sampleI == sampleCoords_.size() - 1)
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{
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// no more samples.
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//Info<< "trackToBoundary : Reached end : sampleI now:" << sampleI
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// << endl;
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return false;
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}
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}
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}
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void Foam::curveSet::calcSamples
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(
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DynamicList<point>& samplingPts,
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DynamicList<label>& samplingCells,
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DynamicList<label>& samplingFaces,
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DynamicList<label>& samplingSegments,
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DynamicList<scalar>& samplingCurveDist
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) const
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{
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// Check sampling points
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if (sampleCoords_.size() < 2)
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{
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FatalErrorIn("curveSet::calcSamples()")
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<< "Incorrect sample specification. Too few points:"
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<< sampleCoords_ << exit(FatalError);
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}
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point oldPoint = sampleCoords_[0];
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for(label sampleI = 1; sampleI < sampleCoords_.size(); sampleI++)
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{
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if (mag(sampleCoords_[sampleI] - oldPoint) < SMALL)
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{
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FatalErrorIn("curveSet::calcSamples()")
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<< "Incorrect sample specification."
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<< " Point " << sampleCoords_[sampleI-1]
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<< " at position " << sampleI-1
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<< " and point " << sampleCoords_[sampleI]
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<< " at position " << sampleI
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<< " are too close" << exit(FatalError);
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}
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oldPoint = sampleCoords_[sampleI];
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}
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// current segment number
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label segmentI = 0;
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// starting index of current segment in samplePts
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label startSegmentI = 0;
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label sampleI = 0;
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point lastSample(GREAT, GREAT, GREAT);
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while(true)
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{
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// Get boundary intersection
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point trackPt;
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label trackCellI = -1;
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label trackFaceI = -1;
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do
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{
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const vector offset =
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sampleCoords_[sampleI+1] - sampleCoords_[sampleI];
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const scalar smallDist = mag(tol*offset);
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// Get all boundary intersections
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List<pointIndexHit> bHits =
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searchEngine().intersections
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(
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sampleCoords_[sampleI],
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sampleCoords_[sampleI+1]
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);
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point bPoint(GREAT, GREAT, GREAT);
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label bFaceI = -1;
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if (bHits.size() > 0)
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{
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bPoint = bHits[0].hitPoint();
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bFaceI = bHits[0].index();
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}
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// Get tracking point
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bool isSample =
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getTrackingPoint
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(
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sampleCoords_[sampleI+1] - sampleCoords_[sampleI],
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sampleCoords_[sampleI],
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bPoint,
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bFaceI,
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trackPt,
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trackCellI,
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trackFaceI
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);
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if (isSample && (mag(lastSample - trackPt) > smallDist))
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{
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//Info<< "calcSamples : getTrackingPoint returned valid sample "
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// << " trackPt:" << trackPt
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// << " trackFaceI:" << trackFaceI
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// << " trackCellI:" << trackCellI
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// << " sampleI:" << sampleI
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// << " dist:" << dist
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// << endl;
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samplingPts.append(trackPt);
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samplingCells.append(trackCellI);
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samplingFaces.append(trackFaceI);
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// Convert sampling position to unique curve parameter. Get
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// fraction of distance between sampleI and sampleI+1.
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scalar dist =
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mag(trackPt - sampleCoords_[sampleI])
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/ mag(sampleCoords_[sampleI+1] - sampleCoords_[sampleI]);
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samplingCurveDist.append(sampleI + dist);
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lastSample = trackPt;
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}
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if (trackCellI == -1)
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{
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// No intersection found. Go to next point
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sampleI++;
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}
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} while((trackCellI == -1) && (sampleI < sampleCoords_.size() - 1));
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if (sampleI == sampleCoords_.size() - 1)
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{
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//Info<< "calcSamples : Reached end of samples: "
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// << " sampleI now:" << sampleI
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// << endl;
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break;
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}
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//
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// Segment sampleI .. sampleI+1 intersected by domain
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//
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// Initialize tracking starting from sampleI
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Cloud<passiveParticle> particles(mesh(), IDLList<passiveParticle>());
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passiveParticle singleParticle
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(
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particles,
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trackPt,
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trackCellI
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);
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bool bReached = trackToBoundary
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(
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singleParticle,
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sampleI,
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samplingPts,
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samplingCells,
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samplingFaces,
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samplingCurveDist
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);
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// fill sampleSegments
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for(label i = samplingPts.size() - 1; i >= startSegmentI; --i)
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{
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samplingSegments.append(segmentI);
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}
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if (!bReached)
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{
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//Info<< "calcSamples : Reached end of samples: "
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// << " sampleI now:" << sampleI
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// << endl;
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break;
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}
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lastSample = singleParticle.position();
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// Find next boundary.
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sampleI++;
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if (sampleI == sampleCoords_.size() - 1)
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{
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//Info<< "calcSamples : Reached end of samples: "
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// << " sampleI now:" << sampleI
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// << endl;
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break;
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}
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segmentI++;
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startSegmentI = samplingPts.size();
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}
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}
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void Foam::curveSet::genSamples()
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{
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// Storage for sample points
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DynamicList<point> samplingPts;
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DynamicList<label> samplingCells;
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DynamicList<label> samplingFaces;
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DynamicList<label> samplingSegments;
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DynamicList<scalar> samplingCurveDist;
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calcSamples
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(
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samplingPts,
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samplingCells,
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samplingFaces,
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samplingSegments,
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samplingCurveDist
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);
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samplingPts.shrink();
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samplingCells.shrink();
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samplingFaces.shrink();
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samplingSegments.shrink();
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samplingCurveDist.shrink();
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setSamples
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(
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samplingPts,
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samplingCells,
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samplingFaces,
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samplingSegments,
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samplingCurveDist
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);
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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// Construct from components
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Foam::curveSet::curveSet
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(
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const polyMesh& mesh,
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meshSearch& searchEngine,
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const word& name,
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const word& axis,
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const List<point>& sampleCoords
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)
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:
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sampleSet(mesh, searchEngine, name, axis),
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sampleCoords_(sampleCoords)
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{
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genSamples();
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if (debug)
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{
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write(Info);
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}
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}
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// Construct from dictionary
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Foam::curveSet::curveSet
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(
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const polyMesh& mesh,
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meshSearch& searchEngine,
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const dictionary& dict
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)
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:
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sampleSet(mesh, searchEngine, dict),
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sampleCoords_(dict.lookup("points"))
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{
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genSamples();
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if (debug)
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{
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write(Info);
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}
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::curveSet::~curveSet()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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Foam::point Foam::curveSet::getRefPoint(const List<point>& pts) const
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{
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if (pts.size() > 0)
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{
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// Use first samplePt as starting point
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return pts[0];
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}
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else
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{
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return vector::zero;
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}
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}
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// ************************************************************************* //
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@ -0,0 +1,139 @@
|
||||
/*---------------------------------------------------------------------------*\
|
||||
========= |
|
||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||
\\ / O peration |
|
||||
\\ / A nd | Copyright (C) 1991-2007 OpenCFD Ltd.
|
||||
\\/ M anipulation |
|
||||
-------------------------------------------------------------------------------
|
||||
License
|
||||
This file is part of OpenFOAM.
|
||||
|
||||
OpenFOAM is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU General Public License as published by the
|
||||
Free Software Foundation; either version 2 of the License, or (at your
|
||||
option) any later version.
|
||||
|
||||
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with OpenFOAM; if not, write to the Free Software Foundation,
|
||||
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
|
||||
Class
|
||||
Foam::curveSet
|
||||
|
||||
Description
|
||||
|
||||
SourceFiles
|
||||
curveSet.C
|
||||
|
||||
\*---------------------------------------------------------------------------*/
|
||||
|
||||
#ifndef curveSet_H
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||||
#define curveSet_H
|
||||
|
||||
#include "sampleSet.H"
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||||
#include "DynamicList.H"
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||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
namespace Foam
|
||||
{
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||||
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||||
// Forward declaration of classes
|
||||
class passiveParticle;
|
||||
template<class Type> class Particle;
|
||||
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||||
/*---------------------------------------------------------------------------*\
|
||||
Class curveSet Declaration
|
||||
\*---------------------------------------------------------------------------*/
|
||||
|
||||
class curveSet
|
||||
:
|
||||
public sampleSet
|
||||
{
|
||||
// Private data
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||||
|
||||
//- sampling points
|
||||
List<point> sampleCoords_;
|
||||
|
||||
|
||||
// Private Member Functions
|
||||
|
||||
//- Sample till hits boundary. Called with singleParticle at position
|
||||
// inbetween sampleCoords_[sampleI] and sampleCoords_[sampleI+1].
|
||||
// Returns false if end of samples reached.
|
||||
bool trackToBoundary
|
||||
(
|
||||
Particle<passiveParticle>& singleParticle,
|
||||
label& sampleI,
|
||||
DynamicList<point>& samplingPts,
|
||||
DynamicList<label>& samplingCells,
|
||||
DynamicList<label>& samplingFaces,
|
||||
DynamicList<scalar>& samplingCurveDist
|
||||
) const;
|
||||
|
||||
//- Samples all point in sampleCoords_
|
||||
// samplingSegments contains segmentNo for each sample.
|
||||
void calcSamples
|
||||
(
|
||||
DynamicList<point>& samplingPts,
|
||||
DynamicList<label>& samplingCells,
|
||||
DynamicList<label>& samplingFaces,
|
||||
DynamicList<label>& samplingSegments,
|
||||
DynamicList<scalar>& samplingCurveDist
|
||||
) const;
|
||||
|
||||
//- Uses calcSamples to obtain samples. Copies them into *this.
|
||||
void genSamples();
|
||||
public:
|
||||
|
||||
//- Runtime type information
|
||||
TypeName("curve");
|
||||
|
||||
|
||||
// Constructors
|
||||
|
||||
//- Construct from components
|
||||
curveSet
|
||||
(
|
||||
const polyMesh& mesh,
|
||||
meshSearch& searchEngine,
|
||||
const word& name,
|
||||
const word& axis,
|
||||
const List<point>& samplePoints
|
||||
);
|
||||
|
||||
//- Construct from dictionary
|
||||
curveSet
|
||||
(
|
||||
const polyMesh& mesh,
|
||||
meshSearch& searchEngine,
|
||||
const dictionary& dict
|
||||
);
|
||||
|
||||
|
||||
// Destructor
|
||||
|
||||
virtual ~curveSet();
|
||||
|
||||
|
||||
// Member Functions
|
||||
|
||||
//- Get reference point
|
||||
virtual point getRefPoint(const List<point>&) const;
|
||||
};
|
||||
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
} // End namespace Foam
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
#endif
|
||||
|
||||
// ************************************************************************* //
|
||||
Reference in New Issue
Block a user