bool Foam::cfdemCloud::evolve
(
volScalarField& alpha,
volVectorField& Us,
volVectorField& U
)
{
numberOfParticlesChanged_ = false;
arraysReallocated_=false;
bool doCouple=false;
if(!ignore())
{
if (dataExchangeM().couple())
{
Info << "\n Coupling..." << endl;
doCouple=true;
// reset vol Fields
clockM().start(16,"resetVolFields");
if(verbose_)
{
Info << "couplingStep:" << dataExchangeM().couplingStep()
<< "\n- resetVolFields()" << endl;
}
averagingM().resetVectorAverage(averagingM().UsPrev(),averagingM().UsNext());
voidFractionM().resetVoidFractions();
averagingM().resetVectorAverage(forceM(0).impParticleForces(),forceM(0).impParticleForces(),true);
averagingM().resetVectorAverage(forceM(0).expParticleForces(),forceM(0).expParticleForces(),true);
averagingM().resetWeightFields();
for (int i=0;i<momCoupleModels_.size(); i++)
momCoupleM(i).resetMomSourceField();
if(verbose_) Info << "resetVolFields done." << endl;
clockM().stop("resetVolFields");
if(verbose_) Info << "- getDEMdata()" << endl;
clockM().start(17,"getDEMdata");
getDEMdata();
clockM().stop("getDEMdata");
if(verbose_) Info << "- getDEMdata done." << endl;
// search cellID of particles
clockM().start(18,"findCell");
if(verbose_) Info << "- findCell()" << endl;
findCells();
if(verbose_) Info << "findCell done." << endl;
clockM().stop("findCell");
// set void fraction field
clockM().start(19,"setvoidFraction");
if(verbose_) Info << "- setvoidFraction()" << endl;
voidFractionM().setvoidFraction(NULL,voidfractions_,particleWeights_,particleVolumes_);
if(verbose_) Info << "setvoidFraction done." << endl;
clockM().stop("setvoidFraction");
// set particles velocity field
clockM().start(20,"setVectorAverage");
setVectorAverages();
clockM().stop("setVectorAverage");
// set particles forces
clockM().start(21,"setForce");
if(verbose_) Info << "- setForce(forces_)" << endl;
setForces();
if(verbose_) Info << "setForce done." << endl;
clockM().stop("setForce");
// get next force field
clockM().start(22,"setParticleForceField");
if(verbose_) Info << "- setParticleForceField()" << endl;
averagingM().setVectorSum
(
forceM(0).impParticleForces(),
impForces_,
particleWeights_,
NULL //mask
);
averagingM().setVectorSum
(
forceM(0).expParticleForces(),
expForces_,
particleWeights_,
NULL //mask
);
if(verbose_) Info << "- setParticleForceField done." << endl;
clockM().stop("setParticleForceField");
// write DEM data
if(verbose_) Info << " -giveDEMdata()" << endl;
clockM().start(23,"giveDEMdata");
giveDEMdata();
clockM().stop("giveDEMdata");
}//end dataExchangeM().couple()
Info << "\n timeStepFraction() = " << dataExchangeM().timeStepFraction() << endl;
clockM().start(24,"interpolateEulerFields");
// update smoothing model
smoothingM().dSmoothing();
//============================================
// update voidFractionField V1
alpha = voidFractionM().voidFractionInterp();
smoothingM().smoothen(alpha);
if(dataExchangeM().couplingStep() < 2)
{
alpha.oldTime() = alpha; // supress volume src
alpha.oldTime().correctBoundaryConditions();
}
alpha.correctBoundaryConditions();
// calc ddt(voidfraction)
//calcDdtVoidfraction(voidFractionM().voidFractionNext());
calcDdtVoidfraction(alpha);
// update particle velocity Field
Us = averagingM().UsInterp();
//smoothingM().smoothenReferenceField(Us);
Us.correctBoundaryConditions();
/*//============================================
// update voidFractionField
volScalarField oldAlpha = alpha.oldTime(); //save old (smooth) alpha field
alpha.oldTime().internalField() = voidFractionM().voidFractionInterp();
smoothingM().smoothen(alpha);
alpha.correctBoundaryConditions();
alpha.oldTime() = oldAlpha; //set old (smooth) alpha field to allow correct computation of ddt
// calc ddt(voidfraction)
if (doCouple) calcDdtVoidfraction(alpha);
//calcDdtVoidfraction(alpha); // alternative with scale=1! (does not see change in alpha?)
// update particle velocity Field
Us.oldTime().internalField() = averagingM().UsInterp();
smoothingM().smoothenReferenceField(Us);
Us.correctBoundaryConditions();
//============================================*/
clockM().stop("interpolateEulerFields");
if(verbose_){
#include "debugInfo.H"
}
clockM().start(25,"dumpDEMdata");
// do particle IO
IOM().dumpDEMdata();
clockM().stop("dumpDEMdata");
}//end ignore
return doCouple;
}
bool Foam::cfdemCloud::evolve
(
volScalarField& alpha,
volVectorField& Us,
volVectorField& U
)
{
numberOfParticlesChanged_ = false;
arraysReallocated_=false;
bool doCouple=false;
if(!ignore())
{
if (dataExchangeM().doCoupleNow())
{
Info << "\n Coupling..." << endl;
dataExchangeM().couple(0);
doCouple=true;
// reset vol Fields
clockM().start(16,"resetVolFields");
if(verbose_)
{
Info << "couplingStep:" << dataExchangeM().couplingStep()
<< "\n- resetVolFields()" << endl;
}
averagingM().resetVectorAverage(averagingM().UsPrev(),averagingM().UsNext(),false);
resetVoidFraction();
averagingM().resetVectorAverage(forceM(0).impParticleForces(),forceM(0).impParticleForces(),true);
averagingM().resetVectorAverage(forceM(0).expParticleForces(),forceM(0).expParticleForces(),true);
averagingM().resetWeightFields();
for (int i=0;i<momCoupleModels_.size(); i++)
momCoupleM(i).resetMomSourceField();
if(verbose_) Info << "resetVolFields done." << endl;
clockM().stop("resetVolFields");
if(verbose_) Info << "- getDEMdata()" << endl;
clockM().start(17,"getDEMdata");
getDEMdata();
clockM().stop("getDEMdata");
if(verbose_) Info << "- getDEMdata done." << endl;
// search cellID of particles
clockM().start(18,"findCell");
if(verbose_) Info << "- findCell()" << endl;
findCells();
if(verbose_) Info << "findCell done." << endl;
clockM().stop("findCell");
// set void fraction field
clockM().start(19,"setvoidFraction");
if(verbose_) Info << "- setvoidFraction()" << endl;
setVoidFraction();
if(verbose_) Info << "setvoidFraction done." << endl;
clockM().stop("setvoidFraction");
// set average particles velocity field
clockM().start(20,"setVectorAverage");
setVectorAverages();
//Smoothen "next" fields
smoothingM().dSmoothing();
smoothingM().smoothen(voidFractionM().voidFractionNext());
//only smoothen if we use implicit force coupling in cells void of particles
//because we need unsmoothened Us field to detect cells for explicit
//force coupling
if(!treatVoidCellsAsExplicitForce())
smoothingM().smoothenReferenceField(averagingM().UsNext());
clockM().stop("setVectorAverage");
}
//============================================
//CHECK JUST TIME-INTERPOATE ALREADY SMOOTHENED VOIDFRACTIONNEXT AND UsNEXT FIELD
// IMPLICIT FORCE CONTRIBUTION AND SOLVER USE EXACTLY THE SAME AVERAGED
// QUANTITIES AT THE GRID!
Info << "\n timeStepFraction() = " << dataExchangeM().timeStepFraction() << endl;
clockM().start(24,"interpolateEulerFields");
// update voidFractionField
setAlpha(alpha);
if(dataExchangeM().couplingStep() < 2)
{
alpha.oldTime() = alpha; // supress volume src
alpha.oldTime().correctBoundaryConditions();
}
alpha.correctBoundaryConditions();
// calc ddt(voidfraction)
calcDdtVoidfraction(alpha,Us);
// update mean particle velocity Field
Us = averagingM().UsInterp();
Us.correctBoundaryConditions();
clockM().stop("interpolateEulerFields");
//============================================
if(doCouple)
{
// set particles forces
clockM().start(21,"setForce");
if(verbose_) Info << "- setForce(forces_)" << endl;
setForces();
if(verbose_) Info << "setForce done." << endl;
calcMultiphaseTurbulence();
if(verbose_) Info << "calcMultiphaseTurbulence done." << endl;
clockM().stop("setForce");
// get next force field
clockM().start(22,"setParticleForceField");
if(verbose_) Info << "- setParticleForceField()" << endl;
setParticleForceField();
if(verbose_) Info << "- setParticleForceField done." << endl;
clockM().stop("setParticleForceField");
// write DEM data
if(verbose_) Info << " -giveDEMdata()" << endl;
clockM().start(23,"giveDEMdata");
giveDEMdata();
clockM().stop("giveDEMdata");
dataExchangeM().couple(1);
}//end dataExchangeM().couple()
if(verbose_){
#include "debugInfo.H"
}
clockM().start(25,"dumpDEMdata");
// do particle IO
IOM().dumpDEMdata();
clockM().stop("dumpDEMdata");
}//end ignore
return doCouple;
}