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Beetstra drag mono can take multiple cg factors, added Beetstra drag poly for polydisp systems, including polydisp parcels and effect of fines phase.

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tlichtenegger
2018-04-26 13:26:40 +02:00
parent 948a909da8 6a636658aa
commit e9a7a0f15a
9 changed files with 498 additions and 31 deletions
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32
tutorials/cfdemSolverPiso/ErgunTestCG/CFD/constant/couplingProperties
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@ -33,7 +33,7 @@ couplingInterval 100;
voidFractionModel divided;//centre;//
locateModel engine;//turboEngine;//
locateModel engine;//turboEngineM2M;//
meshMotionModel noMeshMotion;
@ -49,7 +49,7 @@ averagingModel dense;//dilute;//
clockModel off;//standardClock;//
smoothingModel off;// constDiffSmoothing; //
smoothingModel off;// localPSizeDiffSmoothing;// constDiffSmoothing; //
forceModels
(
@ -61,6 +61,7 @@ forceModels
GidaspowDrag
//Archimedes
//volWeightedAverage
//totalMomentumExchange
particleCellVolume
);
@ -74,6 +75,14 @@ turbulenceModelType "turbulenceProperties";
//===========================================================================//
// sub-model properties
localPSizeDiffSmoothingProps
{
lowerLimit 0.1;
upperLimit 1e10;
dSmoothingLength 1.5e-3;
Csmoothing 1.0;
}
constDiffSmoothingProps
{
lowerLimit 0.1;
@ -123,7 +132,13 @@ volWeightedAverageProps
lowerThreshold 0;
verbose true;
}
totalMomentumExchangeProps
{
implicitMomExFieldName "Ksl";
explicitMomExFieldName "none";
fluidVelFieldName "U";
granVelFieldName "Us";
}
GidaspowDragProps
{
verbose true;
@ -147,12 +162,15 @@ KochHillDragProps
BeetstraDragProps
{
velFieldName "U";
gravityFieldName "g";
rhoParticle 2000.;
voidfractionFieldName "voidfraction";
granVelFieldName "Us";
interpolation true;
useFilteredDragModel ;
useParcelSizeDependentFilteredDrag ;
// useFilteredDragModel;
// useParcelSizeDependentFilteredDrag;
g 9.81;
rhoP 7000.;
rho 10.;
nuf 1.5e-4;
k 0.05;
aLimit 0.0;
// verbose true;