mirror of
https://github.com/ParticulateFlow/CFDEMcoupling-PFM.git
synced 2025-12-08 06:37:44 +00:00
Merge pull request #29 from ParticulateFlow/feature/cherry_pick_PUBLIC
Feature/cherry pick public
This commit is contained in:
Daniel
@ -81,6 +81,7 @@ cfdemCloud::cfdemCloud
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solveFlow_(true),
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verbose_(false),
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ignore_(false),
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allowCFDsubTimestep_(true),
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limitDEMForces_(false),
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modelType_(couplingProperties_.lookup("modelType")),
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positions_(NULL),
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@ -251,17 +252,6 @@ cfdemCloud::cfdemCloud
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else
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Info << "ignoring ddt(voidfraction)" << endl;
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forceModel_ = new autoPtr<forceModel>[nrForceModels()];
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for (int i=0;i<nrForceModels();i++)
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{
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forceModel_[i] = forceModel::New
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(
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couplingProperties_,
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*this,
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forceModels_[i]
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);
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}
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momCoupleModel_ = new autoPtr<momCoupleModel>[momCoupleModels_.size()];
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for (int i=0;i<momCoupleModels_.size();i++)
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{
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@ -273,6 +263,17 @@ cfdemCloud::cfdemCloud
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);
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}
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forceModel_ = new autoPtr<forceModel>[nrForceModels()];
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for (int i=0;i<nrForceModels();i++)
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{
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forceModel_[i] = forceModel::New
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(
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couplingProperties_,
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*this,
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forceModels_[i]
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);
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}
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// run liggghts commands from cfdem
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liggghtsCommand_ = new autoPtr<liggghtsCommandModel>[liggghtsCommandModelList_.size()];
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for (int i=0;i<liggghtsCommandModelList_.size();i++)
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@ -324,7 +325,14 @@ cfdemCloud::cfdemCloud
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{
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checkPeriodicCells_ = true;
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}
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else if (nPatchesCyclic > 0 && nPatchesNonCyclic > 0)
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//hard set checkperiodic cells if wished
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if(this->couplingProperties().found("checkPeriodicCells"))
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{
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checkPeriodicCells_ = couplingProperties().lookupOrDefault<Switch>("checkPeriodicCells", checkPeriodicCells_);
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}
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if (nPatchesCyclic > 0 && nPatchesNonCyclic > 0)
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{
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if (verbose_) Info << "nPatchesNonCyclic=" << nPatchesNonCyclic << ", nPatchesCyclic=" << nPatchesCyclic << endl;
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Warning << "Periodic handing is disabled because the domain is not fully periodic!\n" << endl;
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@ -612,6 +620,10 @@ bool cfdemCloud::evolve
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// IMPLICIT FORCE CONTRIBUTION AND SOLVER USE EXACTLY THE SAME AVERAGED
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// QUANTITIES AT THE GRID!
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Info << "\n timeStepFraction() = " << dataExchangeM().timeStepFraction() << endl;
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if(dataExchangeM().timeStepFraction() > 1.0000001)
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{
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FatalError << "cfdemCloud::dataExchangeM().timeStepFraction()>1: Do not do this, since dangerous. This might be due to the fact that you used a adjustable CFD time step. Please use a fixed CFD time step." << abort(FatalError);
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}
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clockM().start(24,"interpolateEulerFields");
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// update voidFractionField
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@ -92,6 +92,8 @@ protected:
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bool ignore_;
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bool allowCFDsubTimestep_;
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bool limitDEMForces_;
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scalar maxDEMForce_;
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@ -226,6 +228,10 @@ public:
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// public Member Functions
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// Access
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bool allowCFDsubTimestep() { return allowCFDsubTimestep_; }
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void setAllowCFDsubTimestep(bool b) { allowCFDsubTimestep_ = b; }
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void checkCG(bool);
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void setPos(double **&);
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@ -328,21 +328,13 @@ void averagingModel::undoWeightFields(double**const& mask) const
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tmp<volVectorField> averagingModel::UsInterp() const
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{
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if (particleCloud_.dataExchangeM().couplingStep() > 1)
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{
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const scalar tsf = particleCloud_.dataExchangeM().timeStepFraction();
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return tmp<volVectorField>
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(
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new volVectorField("Us_averagingModel", (1. - particleCloud_.dataExchangeM().timeStepFraction()) * UsPrev_ + particleCloud_.dataExchangeM().timeStepFraction() * UsNext_)
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new volVectorField("Us_averagingModel", (1. - tsf) * UsPrev_ + tsf * UsNext_)
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);
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}
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else
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{
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return tmp<volVectorField>
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(
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new volVectorField("Us_averagingModel", UsNext_)
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);
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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@ -209,12 +209,7 @@ bool dataExchangeModel::couple(int i) const
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scalar dataExchangeModel::timeStepFraction() const
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{
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//return fraction between previous coupling TS and actual TS
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//scalar DEMtime = DEMts_ * couplingInterval_;
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//scalar frac = ( ( particleCloud_.mesh().time().value()-particleCloud_.mesh().time().startTime().value() ) - (couplingStep_) * DEMtime) / DEMtime; //Chr 05.03.2013
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scalar frac = ( particleCloud_.mesh().time().value()-particleCloud_.mesh().time().startTime().value() - couplingStep_ * couplingTime() ) / couplingTime();
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if (frac < 1e-4) frac = 1.;
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return frac;
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return ( particleCloud_.mesh().time().value()-particleCloud_.mesh().time().startTime().value() - (couplingStep_-1) * couplingTime() ) / couplingTime();
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}
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int dataExchangeModel::getNumberOfParticles() const
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@ -203,16 +203,23 @@ public:
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Info << "particleCloud_.mesh().time().deltaT().value() = " << particleCloud_.mesh().time().deltaT().value() << endl;
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Info << "couplingInterval_ = " << couplingInterval_ << endl;
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Info << "DEMts_ = " << DEMts_ << endl;
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FatalError<<"\nError - TS bigger than coupling interval!\n"<< abort(FatalError);
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FatalError << "\nError - CFD time-step bigger than coupling time (= DEM time step * coupling interval)!\n" << abort(FatalError);
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}
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}
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/*inline bool checkExactTiming() const
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if (std::fabs((round(couplingTime()/particleCloud_.mesh().time().deltaT().value())*particleCloud_.mesh().time().deltaT().value())-couplingTime()) > SMALL)
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{
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return false;
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}*/
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Info << "particleCloud_.mesh().time().deltaT().value() = " << particleCloud_.mesh().time().deltaT().value() << endl;
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Info << "couplingInterval_ = " << couplingInterval_ << endl;
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Info << "DEMts_ = " << DEMts_ << endl;
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Warning << "\nWarning - Coupling time (= DEM time step * coupling interval) is not a multiple of CFD time-step!\n" << endl;
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}
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if (!particleCloud_.allowCFDsubTimestep())
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if (particleCloud_.mesh().time().deltaT().value() < couplingInterval_ * DEMts_ + SMALL)
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FatalError << "\nYour models require: CFD time-step = coupling interval (= DEM time step * coupling interval)! \n" << abort(FatalError);
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//void checkNClumpTypes() const {};
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// warn if sub-TS
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if (particleCloud_.mesh().time().deltaT().value() < couplingTime() - SMALL)
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Warning << "You are using sub-time-steps (i.e. CFD TS < coupling time)! Check your settings properly." << endl;
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}
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inline void readDEMtsfromDict(dictionary& propsDict)
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{
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@ -222,10 +229,8 @@ public:
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inline bool doCoupleNow() const
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{
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if (particleCloud_.mesh().time().value()-particleCloud_.mesh().time().startTime().value()
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- ((1+couplingStep_)*(DEMts_*couplingInterval_))
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+ 1e-10 > 0) // Chr 27.03.2013 : first coupling after DEMts_*couplingInterval_
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// > particleCloud_.mesh().time().deltaT().value()/2) // Chr 27.03.2013
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if (particleCloud_.mesh().time().value()-particleCloud_.mesh().time().startTime().value()-SMALL
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> couplingStep_*DEMts_*couplingInterval_)
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{
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return true;
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}
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@ -104,6 +104,13 @@ void liggghtsCommandModel::checkTimeMode(dictionary& propsDict)
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}
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}
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}
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if(verbose_){
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Info << "runFirst = " << runFirst_ << endl;
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Info << "runLast = " << runLast_ << endl;
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Info << "runEveryCouplingStep = " << runEveryCouplingStep_ << endl;
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Info << "runEveryWriteStep = " << runEveryWriteStep_ << endl;
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}
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}
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void liggghtsCommandModel::checkTimeSettings(const dictionary& propsDict)
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@ -112,11 +119,12 @@ void liggghtsCommandModel::checkTimeSettings(const dictionary& propsDict)
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{
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scalar DEMts = particleCloud_.dataExchangeM().DEMts();
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scalar couplingInterval = particleCloud_.dataExchangeM().couplingInterval();
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scalar simStartTime = particleCloud_.mesh().time().startTime().value();
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if(runLast_) // last run
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{
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// read time options from subdict
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endTime_ = particleCloud_.mesh().time().endTime().value()-particleCloud_.mesh().time().startTime().value();
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endTime_ = particleCloud_.mesh().time().endTime().value()-simStartTime;
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startTime_ = endTime_;
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timeInterval_ = -1;
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@ -136,9 +144,9 @@ void liggghtsCommandModel::checkTimeSettings(const dictionary& propsDict)
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// calculate coupling times
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// if this makes troubles try floor((startTime_+SMALL)/.. as above
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firstCouplingStep_ = floor(startTime_/DEMts/couplingInterval)+1;
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lastCouplingStep_ = floor(endTime_/DEMts/couplingInterval)+1;
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couplingStepInterval_ = floor(timeInterval_/DEMts/couplingInterval)+1;
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firstCouplingStep_ = floor((startTime_+SMALL-simStartTime)/DEMts/couplingInterval);
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lastCouplingStep_ = floor((endTime_+SMALL-simStartTime)/DEMts/couplingInterval);
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couplingStepInterval_ = floor(timeInterval_+SMALL/DEMts/couplingInterval);
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}
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else //runEveryCouplingStep or writeStep
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{
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@ -108,9 +108,13 @@ explicitCouple::~explicitCouple()
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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tmp<volVectorField> explicitCouple::expMomSource() const
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{
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scalar tsf = particleCloud_.dataExchangeM().timeStepFraction();
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const scalar tsf = particleCloud_.dataExchangeM().timeStepFraction();
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if (1. - tsf < 1e-4) //tsf==1
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// calc Ksl
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// update KslNext in first subTS
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// NOTE: without following if we could update f every subTS (based on current values) and use this value
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if(tsf < particleCloud_.mesh().time().deltaT().value()/particleCloud_.dataExchangeM().couplingTime() + 0.000001 )
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{
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// calc fNext
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forAll(fNext_,cellI)
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@ -124,19 +128,13 @@ tmp<volVectorField> explicitCouple::expMomSource() const
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if (magF > fLimit_[i]) fNext_[cellI][i] *= fLimit_[i]/magF;
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}
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}
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return tmp<volVectorField>
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(
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new volVectorField("f_explicitCouple", fPrev_)
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);
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}
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else
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{
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return tmp<volVectorField>
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(
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new volVectorField("f_explicitCouple", (1. - tsf) * fPrev_ + tsf * fNext_)
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);
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}
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}
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void explicitCouple::resetMomSourceField() const
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{
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@ -122,11 +122,13 @@ implicitCouple::~implicitCouple()
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tmp<volScalarField> implicitCouple::impMomSource() const
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{
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scalar tsf = particleCloud_.dataExchangeM().timeStepFraction();
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const scalar tsf = particleCloud_.dataExchangeM().timeStepFraction();
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// calc Ksl
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if (1. - tsf < 1e-4) //tsf==1
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// update KslNext in first subTS
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// NOTE: without following if we could update Ksl every subTS (based on current values) and use this value
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if(tsf < particleCloud_.mesh().time().deltaT().value()/particleCloud_.dataExchangeM().couplingTime() + 0.000001 )
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{
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scalar Ur;
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@ -136,6 +138,8 @@ tmp<volScalarField> implicitCouple::impMomSource() const
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if (Ur > SMALL && alpha_[cellI] < maxAlpha_) //momentum exchange switched off if alpha too big
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{
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// NOTE: impParticleForces() are calculated at coupling step based on current values
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// therefore the use of Next fields in forceM and here is recommended
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KslNext_[cellI] = mag(particleCloud_.forceM(0).impParticleForces()[cellI])
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/ Ur
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/ particleCloud_.mesh().V()[cellI];
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@ -145,19 +149,13 @@ tmp<volScalarField> implicitCouple::impMomSource() const
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// limiter
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if (KslNext_[cellI] > KslLimit_) KslNext_[cellI] = KslLimit_;
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}
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return tmp<volScalarField>
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(
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new volScalarField("Ksl_implicitCouple", KslPrev_)
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);
|
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}
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else
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{
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||||
|
||||
return tmp<volScalarField>
|
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(
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new volScalarField("Ksl_implicitCouple", (1. - tsf) * KslPrev_ + tsf * KslNext_)
|
||||
);
|
||||
}
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}
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||||
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void implicitCouple::resetMomSourceField() const
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{
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||||
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@ -103,9 +103,10 @@ tmp<volScalarField> SyamlalThermCond::thermCond() const
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dimensionedScalar("zero", dimensionSet(1,1,-3,-1,0,0,0), 0.0)
|
||||
)
|
||||
);
|
||||
|
||||
volScalarField& svf = tvf.ref();
|
||||
|
||||
svf = (1-sqrt(1-voidfraction_)) / (voidfraction_) * kf0_;
|
||||
svf = (1-sqrt(1-voidfraction_+SMALL)) / (voidfraction_) * kf0_;
|
||||
|
||||
// if a wallQFactor field is present, use it to scale heat transport through a patch
|
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if (hasWallQFactor_)
|
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|
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@ -102,23 +102,13 @@ voidFractionModel::~voidFractionModel()
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// * * * * * * * * * * * * * * public Member Functions * * * * * * * * * * * * * //
|
||||
tmp<volScalarField> voidFractionModel::voidFractionInterp() const
|
||||
{
|
||||
scalar tsf = particleCloud_.dataExchangeM().timeStepFraction();
|
||||
const scalar tsf = particleCloud_.dataExchangeM().timeStepFraction();
|
||||
|
||||
if (1. - tsf < 1e-4 && particleCloud_.dataExchangeM().couplingStep() > 1) //tsf==1
|
||||
{
|
||||
return tmp<volScalarField>
|
||||
(
|
||||
new volScalarField("alpha_voidFractionModel", voidfractionPrev_)
|
||||
);
|
||||
}
|
||||
else
|
||||
{
|
||||
return tmp<volScalarField>
|
||||
(
|
||||
new volScalarField("alpha_voidFractionModel", (1. - tsf) * voidfractionPrev_ + tsf * voidfractionNext_)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
void voidFractionModel::resetVoidFractions() const
|
||||
{
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Fill granular particles into a cylinder
|
||||
echo both
|
||||
atom_style granular
|
||||
atom_modify map array
|
||||
@ -16,7 +16,7 @@ neighbor 0.001 bin
|
||||
neigh_modify delay 0
|
||||
|
||||
|
||||
#Material properties required for new pair styles
|
||||
#material properties required for granular pair styles
|
||||
|
||||
fix m1 all property/global youngsModulus peratomtype 5.e6
|
||||
fix m2 all property/global poissonsRatio peratomtype 0.45
|
||||
@ -51,15 +51,14 @@ fix integr all nve/sphere
|
||||
|
||||
|
||||
#screen output
|
||||
compute 1 all erotate/sphere
|
||||
thermo_style custom step atoms ke c_1 vol
|
||||
compute rke all erotate/sphere
|
||||
thermo_style custom step atoms ke c_rke vol
|
||||
thermo 1000
|
||||
thermo_modify lost ignore norm no
|
||||
compute_modify thermo_temp dynamic yes
|
||||
|
||||
#insert the first particles so that dump is not empty
|
||||
run 1
|
||||
dump dmp all custom 1000 post/dump.liggghts_init id type type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
dump dmp all custom 1000 post/dump.liggghts_init id type x y z vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
|
||||
run 3000 upto
|
||||
#write_restart liggghts.restart
|
||||
|
||||
@ -73,8 +73,8 @@ functions
|
||||
fields ( particleForces );
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -73,8 +73,8 @@ functions
|
||||
fields ( particleForces );
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -19,8 +19,7 @@ neighbor 0.3 bin
|
||||
neigh_modify delay 0 binsize 0.01
|
||||
|
||||
|
||||
# Material properties required for new pair styles
|
||||
|
||||
# Material properties required for granular pair styles
|
||||
fix m1 all property/global youngsModulus peratomtype 5.e7
|
||||
fix m2 all property/global poissonsRatio peratomtype 0.45
|
||||
fix m3 all property/global coefficientRestitution peratomtypepair 1 0.9
|
||||
@ -49,8 +48,8 @@ fix cfd2 all couple/cfd/force
|
||||
|
||||
|
||||
# create single partciles
|
||||
create_atoms 1 single .5 .5 3.5 units box
|
||||
create_atoms 1 single .5 .5 3.16 units box
|
||||
create_atoms 1 single 0.5 0.5 3.5 units box
|
||||
create_atoms 1 single 0.5 0.5 3.16 units box
|
||||
set atom 1 diameter 0.167 density 1.5 vx 0 vy 0 vz 0
|
||||
set atom 2 diameter 0.167 density 1.5 vx 0 vy 0 vz 0
|
||||
|
||||
@ -85,7 +84,7 @@ thermo_modify lost ignore norm no
|
||||
compute_modify thermo_temp dynamic yes
|
||||
|
||||
# insert the first particles so that dump is not empty
|
||||
dump dmp all custom 100 ../DEM/post/dump.liggghts_run id type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
dump dmp all custom 100 ../DEM/post/dump.liggghts_run id type x y z vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
|
||||
#force : f_couple_cfd[0] f_couple_cfd[1] f_couple_cfd[2]
|
||||
#node : f_couple_cfd[6]
|
||||
|
||||
@ -90,8 +90,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction voidfractionNext voidfractionPrev);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
}
|
||||
// ************************************************************************* //
|
||||
|
||||
@ -90,8 +90,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
|
||||
/*pressureDrop
|
||||
|
||||
@ -31,7 +31,7 @@ neighbor 0.001 bin
|
||||
neigh_modify delay 0
|
||||
|
||||
|
||||
#Material properties required for new pair styles
|
||||
#Material properties required for granular pair styles
|
||||
|
||||
fix m1 all property/global youngsModulus peratomtype 5.e6
|
||||
fix m2 all property/global poissonsRatio peratomtype 0.45
|
||||
@ -39,7 +39,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
|
||||
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
|
||||
#pair style
|
||||
pair_style gran model hertz tangential history #Hertzian without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
#timestep, gravity
|
||||
@ -54,7 +54,7 @@ fix cylwalls all wall/gran model hertz tangential history primitive type 1 zcyli
|
||||
#particle distributions and insertion
|
||||
region bc cylinder z 0.0 0.0 0.012 0. 0.055 units box
|
||||
fix pts1 all particletemplate/sphere 1 atom_type 1 density constant 7000 radius constant ${r0}
|
||||
fix pdd1 all particledistribution/discrete 1. 1 pts1 1.0
|
||||
fix pdd1 all particledistribution/discrete 1 1 pts1 1.0
|
||||
|
||||
fix ins all insert/pack seed 100001 distributiontemplate pdd1 vel constant 0. 0. -1. insert_every once overlapcheck yes all_in yes particles_in_region ${nPscal} region bc
|
||||
|
||||
@ -62,15 +62,15 @@ fix ins all insert/pack seed 100001 distributiontemplate pdd1 vel constant 0. 0
|
||||
fix integr all nve/sphere
|
||||
|
||||
#screen output
|
||||
compute 1 all erotate/sphere
|
||||
thermo_style custom step atoms ke c_1 vol
|
||||
compute rke all erotate/sphere
|
||||
thermo_style custom step atoms ke c_rke vol
|
||||
thermo 1000
|
||||
thermo_modify lost ignore norm no
|
||||
compute_modify thermo_temp dynamic yes
|
||||
|
||||
#insert the first particles so that dump is not empty
|
||||
run 1
|
||||
dump dmp all custom 5000 post/dump.liggghts_init id type type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
dump dmp all custom 5000 post/dump.liggghts_init id type x y z vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
#force : f_couple_cfd[0] f_couple_cfd[1] f_couple_cfd[2]
|
||||
#node : f_couple_cfd[6]
|
||||
#cell id : f_couple_cfd[7]
|
||||
|
||||
@ -33,7 +33,7 @@ neighbor 0.001 bin
|
||||
neigh_modify delay 0
|
||||
|
||||
|
||||
#Material properties required for new pair styles
|
||||
#Material properties required for granular pair styles
|
||||
|
||||
fix m1 all property/global youngsModulus peratomtype 5.e6
|
||||
fix m2 all property/global poissonsRatio peratomtype 0.45
|
||||
@ -68,16 +68,15 @@ compute centerOfMass all com
|
||||
#compute dragtotal all reduce sum f_dragforce[1] f_dragforce[2] f_dragforce[3]
|
||||
|
||||
#screen output
|
||||
compute 1 all erotate/sphere
|
||||
thermo_style custom step atoms ke c_1 vol c_centerOfMass[3] #c_dragtotal[1] c_dragtotal[2] c_dragtotal[3]
|
||||
compute rke all erotate/sphere
|
||||
thermo_style custom step atoms ke c_rke vol c_centerOfMass[3] #c_dragtotal[1] c_dragtotal[2] c_dragtotal[3]
|
||||
thermo 10
|
||||
thermo_modify lost ignore norm no
|
||||
compute_modify thermo_temp dynamic yes
|
||||
|
||||
#insert the first particles so that dump is not empty
|
||||
dump myDump all stl 1 post/dump_*.stl
|
||||
#run 1
|
||||
dump dmp all custom 1000 ../DEM/post/dump*.liggghts_restart id type type x y z vx vy vz fx fy fz radius #f_dragforce[1] f_dragforce[2] f_dragforce[3]
|
||||
dump dmp all custom 1000 ../DEM/post/dump*.liggghts_restart id type x y z vx vy vz fx fy fz radius
|
||||
undump myDump
|
||||
|
||||
run 1
|
||||
|
||||
@ -89,8 +89,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction voidfractionNext voidfractionPrev);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -90,8 +90,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
|
||||
/*pressureDrop
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
echo both
|
||||
atom_style granular
|
||||
atom_modify map array
|
||||
@ -24,7 +24,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
|
||||
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
|
||||
# pair style
|
||||
pair_style gran model hertz tangential history # Hertzian without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
# timestep, gravity
|
||||
@ -55,7 +55,7 @@ compute_modify thermo_temp dynamic yes
|
||||
|
||||
# insert the first particles so that dump is not empty
|
||||
run 1
|
||||
dump dmp all custom 5000 post/dump.liggghts_init id type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
dump dmp all custom 5000 post/dump.liggghts_init id type x y z vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
#force : f_couple_cfd[0] f_couple_cfd[1] f_couple_cfd[2]
|
||||
#node : f_couple_cfd[6]
|
||||
#cell id : f_couple_cfd[7]
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
log ../DEM/log.liggghts
|
||||
thermo_log ../DEM/post/thermo.txt
|
||||
|
||||
@ -26,7 +26,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
|
||||
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
|
||||
# pair style
|
||||
pair_style gran model hertz tangential history # Hertzian without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
# timestep, gravity
|
||||
|
||||
@ -186,8 +186,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
}
|
||||
// ************************************************************************* //
|
||||
|
||||
@ -90,8 +90,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
|
||||
/*pressureDrop
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
echo both
|
||||
atom_style granular
|
||||
atom_modify map array
|
||||
@ -24,7 +24,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
|
||||
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
|
||||
# pair style
|
||||
pair_style gran model hertz tangential history # Hertzian without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
# timestep, gravity
|
||||
@ -55,7 +55,7 @@ compute_modify thermo_temp dynamic yes
|
||||
|
||||
# insert the first particles so that dump is not empty
|
||||
run 1
|
||||
dump dmp all custom 5000 post/dump.liggghts_init id type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
dump dmp all custom 5000 post/dump.liggghts_init id type x y z vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
#force : f_couple_cfd[0] f_couple_cfd[1] f_couple_cfd[2]
|
||||
#node : f_couple_cfd[6]
|
||||
#cell id : f_couple_cfd[7]
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
log ../DEM/log.liggghts
|
||||
thermo_log ../DEM/post/thermo.txt
|
||||
|
||||
@ -26,7 +26,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
|
||||
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
|
||||
# pair style
|
||||
pair_style gran model hertz tangential history # Hertzian without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
# timestep, gravity
|
||||
|
||||
@ -89,8 +89,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction voidfractionNext voidfractionPrev);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
|
||||
/*pressureDrop
|
||||
|
||||
@ -90,8 +90,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
|
||||
/*pressureDrop
|
||||
|
||||
@ -89,8 +89,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction voidfractionNext voidfractionPrev);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
|
||||
/*pressureDrop
|
||||
|
||||
@ -89,8 +89,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction voidfractionNext voidfractionPrev);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
|
||||
/*pressureDrop
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
echo both
|
||||
atom_style granular
|
||||
atom_modify map array
|
||||
@ -24,7 +24,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
|
||||
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
|
||||
# pair style
|
||||
pair_style gran model hertz tangential history # Hertzian without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
# timestep, gravity
|
||||
@ -55,7 +55,7 @@ compute_modify thermo_temp dynamic yes
|
||||
|
||||
# insert the first particles so that dump is not empty
|
||||
run 1
|
||||
dump dmp all custom 5000 post/dump.liggghts_init id type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
dump dmp all custom 5000 post/dump.liggghts_init id type x y z vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
#force : f_couple_cfd[0] f_couple_cfd[1] f_couple_cfd[2]
|
||||
#node : f_couple_cfd[6]
|
||||
#cell id : f_couple_cfd[7]
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
log ../DEM/log.liggghts
|
||||
thermo_log ../DEM/post/thermo.txt
|
||||
|
||||
@ -26,7 +26,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
|
||||
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
|
||||
# pair style
|
||||
pair_style gran model hertz tangential history # Hertzian without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
# timestep, gravity
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
log ../DEM/log.liggghts
|
||||
thermo_log ../DEM/post/thermo.txt
|
||||
|
||||
@ -26,7 +26,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
|
||||
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
|
||||
# pair style
|
||||
pair_style gran model hertz tangential history # Hertzian without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
# timestep, gravity
|
||||
|
||||
@ -27,7 +27,7 @@ fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
#fix m5 all property/global characteristicVelocity scalar 2.0
|
||||
|
||||
# pair style
|
||||
pair_style gran model hertz tangential history # hertz without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
# timestep, gravity
|
||||
@ -68,6 +68,6 @@ compute_modify thermo_temp dynamic yes
|
||||
|
||||
# insert the first particles so that dump is not empty
|
||||
run 1
|
||||
dump dmp all custom 1000 ../DEM/post/dump.liggghts_run id type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
dump dmp all custom 1000 ../DEM/post/dump.liggghts_run id type x y z vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
|
||||
run 1 upto
|
||||
|
||||
@ -89,8 +89,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
}
|
||||
// ************************************************************************* //
|
||||
|
||||
@ -90,8 +90,8 @@ functions
|
||||
fields ( p U voidfraction volAverage_voidfraction);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
|
||||
/*pressureDrop
|
||||
|
||||
@ -72,8 +72,8 @@ functions
|
||||
fields ( p T);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
}
|
||||
// ************************************************************************* //
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Particle packing by insertion and successive growing of particles
|
||||
# heattransfer in packed bed
|
||||
|
||||
atom_style granular
|
||||
atom_modify map array
|
||||
@ -26,7 +26,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
|
||||
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
|
||||
# pair style
|
||||
pair_style gran model hertz tangential history #Hertzian without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
timestep 0.00001
|
||||
@ -65,7 +65,7 @@ compute_modify thermo_temp dynamic yes
|
||||
|
||||
#insert the first particles
|
||||
run 1
|
||||
dump dmp all custom 1000 post/dump.liggghts_init id type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius f_heattransfer[0] f_heatFlux[0]
|
||||
dump dmp all custom 1000 post/dump.liggghts_init id type x y z vx vy vz fx fy fz omegax omegay omegaz radius f_heattransfer[0] f_heatFlux[0]
|
||||
|
||||
run 150000
|
||||
|
||||
|
||||
@ -70,6 +70,6 @@ thermo 1000
|
||||
thermo_modify lost ignore norm no
|
||||
compute_modify thermo_temp dynamic yes
|
||||
|
||||
dump dmp all custom 100 ../DEM/post/dump.liggghts_run id type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius f_Temp[0] f_heatFlux[0]
|
||||
dump dmp all custom 100 ../DEM/post/dump.liggghts_run id type x y z vx vy vz fx fy fz omegax omegay omegaz radius f_Temp[0] f_heatFlux[0]
|
||||
|
||||
run 1
|
||||
|
||||
@ -89,8 +89,8 @@ functions
|
||||
fields ( p U T voidfraction volAverage_voidfraction);
|
||||
|
||||
// Write at same frequency as fields
|
||||
outputControl timeStep;//outputTime;
|
||||
outputInterval 1;
|
||||
writeControl timeStep;//outputTime;
|
||||
writeInterval 1;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
echo both
|
||||
atom_style granular
|
||||
atom_modify map array
|
||||
@ -24,7 +24,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
|
||||
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
|
||||
|
||||
# pair style
|
||||
pair_style gran model hertz tangential history # Hertzian without cohesion
|
||||
pair_style gran model hertz tangential history
|
||||
pair_coeff * *
|
||||
|
||||
# timestep, gravity
|
||||
@ -55,7 +55,7 @@ compute_modify thermo_temp dynamic yes
|
||||
|
||||
# insert the first particles so that dump is not empty
|
||||
run 1
|
||||
dump dmp all custom 5000 post/dump.liggghts_init id type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
dump dmp all custom 5000 post/dump.liggghts_init id type x y z vx vy vz fx fy fz omegax omegay omegaz radius
|
||||
#force : f_couple_cfd[0] f_couple_cfd[1] f_couple_cfd[2]
|
||||
#node : f_couple_cfd[6]
|
||||
#cell id : f_couple_cfd[7]
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
log ../DEM/log.liggghts
|
||||
thermo_log ../DEM/post/thermo.txt
|
||||
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
|
||||
###############################################
|
||||
#variables
|
||||
@ -48,7 +48,7 @@ create_box 1 reg
|
||||
neighbor 0.001 bin
|
||||
neigh_modify delay 0
|
||||
|
||||
#Material properties required for new pair styles
|
||||
#Material properties required for granular pair styles
|
||||
|
||||
fix m1 all property/global youngsModulus peratomtype ${yM}
|
||||
fix m2 all property/global poissonsRatio peratomtype ${pR}
|
||||
@ -82,8 +82,8 @@ fix integr all nve/sphere
|
||||
fix ts_check all check/timestep/gran 10000 0.1 0.1
|
||||
|
||||
#screen output
|
||||
compute 1 all erotate/sphere
|
||||
thermo_style custom step atoms ke c_1 vol
|
||||
compute rke all erotate/sphere
|
||||
thermo_style custom step atoms ke c_rke vol
|
||||
thermo 10000
|
||||
thermo_modify lost ignore norm no
|
||||
compute_modify thermo_temp dynamic yes
|
||||
@ -98,7 +98,7 @@ variable vcmz equal vcm(all,z)
|
||||
variable vave equal sqrt(v_vcmx*v_vcmx+v_vcmy*v_vcmy+v_vcmz*v_vcmz)
|
||||
print ${vave}
|
||||
|
||||
dump dmp1 all custom/vtk 20000 ../DEM/post/dump*.liggghts_filling.vtk id type type x y z vx vy vz fx fy fz radius
|
||||
dump dmp1 all custom/vtk 20000 ../DEM/post/dump*.liggghts_filling.vtk id type x y z vx vy vz fx fy fz radius
|
||||
|
||||
run 200000
|
||||
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Pour granular particles into chute container, then induce flow
|
||||
# Pour granular particles into a cylinder, then induce flow
|
||||
|
||||
#variables
|
||||
|
||||
@ -39,7 +39,7 @@ reset_timestep 0
|
||||
neighbor 0.01 bin
|
||||
neigh_modify delay 0
|
||||
|
||||
#Material properties required for new pair styles
|
||||
#Material properties required for granular pair styles
|
||||
fix m1 all property/global youngsModulus peratomtype ${yM}
|
||||
fix m2 all property/global poissonsRatio peratomtype ${pR}
|
||||
fix m3 all property/global coefficientRestitution peratomtypepair 1 ${rest}
|
||||
@ -69,7 +69,6 @@ fix cylwalls all wall/gran model hertz tangential history primitive type 1 zcyli
|
||||
# set group all density ${partDens}
|
||||
|
||||
|
||||
|
||||
fix lb all balance 1000 xyz 10 1.05 out tmp.balance
|
||||
|
||||
|
||||
@ -84,8 +83,8 @@ fix cfd3 all couple/cfd/convection T0 ${Tpart}
|
||||
|
||||
#screen output
|
||||
variable totmass equal mass(all)
|
||||
compute 1 all erotate/sphere
|
||||
thermo_style custom step atoms ke c_1 vol v_totmass
|
||||
compute rke all erotate/sphere
|
||||
thermo_style custom step atoms ke c_rke vol v_totmass
|
||||
thermo 1000
|
||||
thermo_modify lost ignore norm no
|
||||
compute_modify thermo_temp dynamic yes
|
||||
|
||||
Reference in New Issue
Block a user