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<title>CFDEMcoupling: /home/cfdem/CFDEM/CFDEM-x.x-2.0.x/src/lagrangian/cfdemParticle/subModels/voidFractionModel/dividedVoidFraction/setWeightedSource.H Source File</title>
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<h1>/home/cfdem/CFDEM/CFDEM-x.x-2.0.x/src/lagrangian/cfdemParticle/subModels/voidFractionModel/dividedVoidFraction/setWeightedSource.H</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*---------------------------------------------------------------------------*\</span>
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<a name="l00002"></a>00002 <span class="comment"> ========= |</span>
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<a name="l00003"></a>00003 <span class="comment"> \\ / F ield | OpenFOAM: The Open Source CFD Toolbox</span>
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<a name="l00004"></a>00004 <span class="comment"> \\ / O peration |</span>
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<a name="l00005"></a>00005 <span class="comment"> \\ / A nd | Copyright (C) 1991-2005 OpenCFD Ltd.</span>
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<a name="l00006"></a>00006 <span class="comment"> \\/ M anipulation |</span>
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<a name="l00007"></a>00007 <span class="comment">-------------------------------------------------------------------------------</span>
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<a name="l00008"></a>00008 <span class="comment">License</span>
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<a name="l00009"></a>00009 <span class="comment"> This file is part of OpenFOAM.</span>
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<a name="l00010"></a>00010 <span class="comment"></span>
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<a name="l00011"></a>00011 <span class="comment"> OpenFOAM is free software; you can redistribute it and/or modify it</span>
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<a name="l00012"></a>00012 <span class="comment"> under the terms of the GNU General Public License as published by the</span>
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<a name="l00013"></a>00013 <span class="comment"> Free Software Foundation; either version 2 of the License, or (at your</span>
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<a name="l00014"></a>00014 <span class="comment"> option) any later version.</span>
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<a name="l00015"></a>00015 <span class="comment"></span>
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<a name="l00016"></a>00016 <span class="comment"> OpenFOAM is distributed in the hope that it will be useful, but WITHOUT</span>
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<a name="l00017"></a>00017 <span class="comment"> ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
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<a name="l00018"></a>00018 <span class="comment"> FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License</span>
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<a name="l00019"></a>00019 <span class="comment"> for more details.</span>
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<a name="l00020"></a>00020 <span class="comment"></span>
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<a name="l00021"></a>00021 <span class="comment"> You should have received a copy of the GNU General Public License</span>
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<a name="l00022"></a>00022 <span class="comment"> along with OpenFOAM; if not, write to the Free Software Foundation,</span>
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<a name="l00023"></a>00023 <span class="comment"> Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
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<a name="l00024"></a>00024 <span class="comment"></span>
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<a name="l00025"></a>00025 <span class="comment">Description</span>
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<a name="l00026"></a>00026 <span class="comment"></span>
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<a name="l00027"></a>00027 <span class="comment">\*---------------------------------------------------------------------------*/</span>
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<a name="l00028"></a>00028
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<a name="l00029"></a>00029
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<a name="l00030"></a>00030 <span class="comment">// set force and mass source at cell subCellID</span>
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<a name="l00031"></a>00031 {
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<a name="l00032"></a>00032 <span class="comment">// locate subPoint</span>
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<a name="l00033"></a>00033 vector subPosition = position + offset;
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<a name="l00034"></a>00034 label partCellId = particleCloud_.locateM().findSingleCell(subPosition,cellID);
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<a name="l00035"></a>00035
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<a name="l00036"></a>00036 <span class="comment">//NP fprintf(lmp->screen,"cellID=%d, partCellId=%d\n",static_cast<int>(cellID),static_cast<int>(partCellId));</span>
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<a name="l00037"></a>00037
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<a name="l00038"></a>00038 <span class="keywordflow">if</span>(partCellId!=cellID)
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<a name="l00039"></a>00039 {
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<a name="l00040"></a>00040 nUnEqual++;
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<a name="l00041"></a>00041 }
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<a name="l00042"></a>00042 <span class="keywordflow">if</span>(partCellId<0)
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<a name="l00043"></a>00043 {
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<a name="l00044"></a>00044 nNotFound++;
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<a name="l00045"></a>00045 }
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<a name="l00046"></a>00046 nTotal++;
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<a name="l00047"></a>00047
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<a name="l00048"></a>00048 <span class="keywordflow">if</span> (partCellId >= 0) <span class="comment">// subPoint is in domain</span>
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<a name="l00049"></a>00049 {
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<a name="l00050"></a>00050 <span class="comment">// update voidfraction for each particle read</span>
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<a name="l00051"></a>00051 scalar partCellVol = particleCloud_.mesh().V()[partCellId];
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<a name="l00052"></a>00052 scalar particleVolume = volume/<span class="keyword">static_cast<</span>scalar<span class="keyword">></span>(nPoints);
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<a name="l00053"></a>00053 scalar newAlpha = voidfractionNext_[partCellId]- particleVolume / partCellVol;
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<a name="l00054"></a>00054
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<a name="l00055"></a>00055 <span class="keywordflow">if</span>(newAlpha > alphaMin_) voidfractionNext_[partCellId] = newAlpha;
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<a name="l00056"></a>00056 <span class="keywordflow">else</span>
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<a name="l00057"></a>00057 {
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<a name="l00058"></a>00058 voidfractionNext_[partCellId] = alphaMin_;
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<a name="l00059"></a>00059 tooMuch_ += (alphaMin_-newAlpha) * partCellVol;
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<a name="l00060"></a>00060 }
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<a name="l00061"></a>00061
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<a name="l00062"></a>00062 cellsSet++; <span class="comment">// inc counter of cells affected</span>
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<a name="l00063"></a>00063
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<a name="l00064"></a>00064 <span class="comment">//====================================================//</span>
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<a name="l00065"></a>00065 <span class="comment">// add sub particle representation</span>
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<a name="l00066"></a>00066 <span class="keywordtype">bool</span> createNew = <span class="keyword">true</span>;
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<a name="l00067"></a>00067 label storeInIndex=0;
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<a name="l00068"></a>00068 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i < cellsPerParticle_[index][0] ; i++)
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<a name="l00069"></a>00069 {
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<a name="l00070"></a>00070 <span class="keywordflow">if</span>(partCellId == particleCloud_.cellIDs()[index][i])
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<a name="l00071"></a>00071 {
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<a name="l00072"></a>00072 storeInIndex = i;
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<a name="l00073"></a>00073 createNew = <span class="keyword">false</span>;
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<a name="l00074"></a>00074 <span class="keywordflow">break</span>;
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<a name="l00075"></a>00075 }
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<a name="l00076"></a>00076 }
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<a name="l00077"></a>00077
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<a name="l00078"></a>00078 <span class="keywordflow">if</span>(createNew)
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<a name="l00079"></a>00079 {
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<a name="l00080"></a>00080 cellsPerParticle_[index][0] ++;
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<a name="l00081"></a>00081 storeInIndex = cellsPerParticle_[index][0]-1;
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<a name="l00082"></a>00082 particleCloud_.cellIDs()[index][storeInIndex] = partCellId;
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<a name="l00083"></a>00083
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<a name="l00084"></a>00084 }
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<a name="l00085"></a>00085
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<a name="l00086"></a>00086 particleWeights[index][storeInIndex] += 1/<span class="keyword">static_cast<</span>scalar<span class="keyword">></span>(nPoints);
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<a name="l00087"></a>00087 particleVolumes[index][storeInIndex] += particleVolume;
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<a name="l00088"></a>00088 <span class="comment">//====================================================//</span>
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<a name="l00089"></a>00089 }
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<a name="l00090"></a>00090 }
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</pre></div></div>
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<hr class="footer"/><address style="text-align: right;"><small>Generated on Mon Apr 23 19:06:18 2012 for CFDEMcoupling by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address>
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