148 lines
2.9 KiB
C++
Executable File
148 lines
2.9 KiB
C++
Executable File
/*------------------------------- phasicFlow ---------------------------------
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O C enter of
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O O E ngineering and
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O O M ultiscale modeling of
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OOOOOOO F luid flow
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------------------------------------------------------------------------------
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Copyright (C): www.cemf.ir
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email: hamid.r.norouzi AT gmail.com
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------------------------------------------------------------------------------
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Licence:
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This file is part of phasicFlow code. It is a free software for simulating
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granular and multiphase flows. You can redistribute it and/or modify it under
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the terms of GNU General Public License v3 or any other later versions.
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phasicFlow is distributed to help others in their research in the field of
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granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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-----------------------------------------------------------------------------*/
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#include "positionRandom.hpp"
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#include "collisionCheck.hpp"
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bool pFlow::positionRandom::positionOnePass(collisionCheck& collCheck)
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{
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auto const& region = pRegion();
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auto n = static_cast<uint32>(position_.size());
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for(uint32 iter = 0; iter<numPoints_; iter++)
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{
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realx3 p = region.peek();
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if( collCheck.checkPoint(p, diameter_) )
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{
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position_.push_back(p);
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diameters_.push_back(diameter_);
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if(!collCheck.mapLastAddedParticle())
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{
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fatalErrorInFunction;
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return false;
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}
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n++;
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if(n == numPoints_) break;
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}
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}
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return true;
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}
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bool pFlow::positionRandom::positionPointsRandom()
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{
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position_.clear();
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diameters_.clear();
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if(numPoints_ == 0)return true;
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uint32 pass = 0;
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collisionCheck collCheck(
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box(pRegion().minPoint(), pRegion().maxPoint()),
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diameter_,
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position_,
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diameters_);
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while ( pass <maxIterations_)
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{
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if( !positionOnePass(collCheck) )
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{
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return false;
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}
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pass++;
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REPORT(1)<<"Positioning "<< Green_Text("(Pass #"<< pass<<")")<<
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": number of non-colliding spheres is "<<
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Yellow_Text(position_.size())<<END_REPORT;
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if( position_.size() == numPoints_ )
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{
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REPORT(0)<<END_REPORT;
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return true;
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}
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}
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fatalErrorInFunction<<
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" Cannot position "<< numPoints_ << " in the domain in " <<
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maxIterations_ << " iterations.\n" <<
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" you may increase maxIterations for positioning points.\n";
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return false;
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}
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pFlow::positionRandom::positionRandom
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(
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systemControl& control,
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const dictionary& dict
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)
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:
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positionParticles(control, dict),
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prDict_
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(
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dict.subDict("randomInfo")
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),
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diameter_
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(
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prDict_.getVal<real>("diameter")
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),
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numPoints_
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(
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prDict_.getVal<uint32>("numPoints")
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),
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maxIterations_
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(
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prDict_.getValOrSet("maxIterations", 10u)
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),
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position_
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(
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"position",
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1,
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0,
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RESERVE()
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),
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diameters_
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(
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"diameters",
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1,
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0,
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RESERVE()
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)
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{
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reportInterval_ = max(numPoints_/numReports_, static_cast<uint32>(2));
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if( !positionPointsRandom() )
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{
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fatalExit;
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}
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}
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