/*---------------------------------------------------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  1.4                                   |
|   \\  /    A nd           | Web:      http://www.openfoam.org               |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/


FoamFile
{
    version         2.0;
    format          ascii;

    root            "";
    case            "";
    instance        "";
    local           "";

    class           dictionary;
    object          couplingProperties;
}

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

//===========================================================================//
// sub-models & settings

modelType B; // A or B

couplingInterval 100;

voidFractionModel divided;//centre;//bigParticle;//

locateModel engine;//standard;

meshMotionModel noMeshMotion;

regionModel allRegion;

IOModel basicIO; //trackIO; // 

probeModel off;

dataExchangeModel twoWayMPI;//twoWayFiles;//oneWayVTK;//

averagingModel dense;//dilute;//

clockModel off; //standardClock;//

smoothingModel  constDiffSmoothing; //off;//

//useDDTvoidfraction;

forceModels
(
    DiFeliceDrag
    //SchillerNaumannDrag
    //KochHillDrag
    //MeiLift
    //virtualMassForce
    //gradPForce
    //viscForce
    Archimedes
);

momCoupleModels
(
    implicitCouple
);

turbulenceModelType RASProperties;//LESProperties;//

//===========================================================================//
// sub-model properties

constDiffSmoothingProps
{
    lowerLimit 0.0;
    upperLimit 1e99;
    smoothingLength 3e-4;
} 

implicitCoupleProps
{
    velFieldName "U";
    granVelFieldName "Us";
    voidfractionFieldName "voidfraction";
}

DiFeliceDragProps
{
    velFieldName "U";
    voidfractionFieldName "voidfraction";
    granVelFieldName "Us";
    verbose true;
    
    //- use of scalar viscosity for drag
    //scalarViscosity true;
    //nu nu [ 0 2 -1 0 0 0 0 ] 1e-04;
}

SchillerNaumannDragProps
{
    velFieldName "U";
    densityFieldName "rho";
}

KochHillDragProps
{
    velFieldName "U";
    densityFieldName "rho";
    voidfractionFieldName "voidfraction";
}

MeiLiftProps
{
    velFieldName "U";
    densityFieldName "rho";
}

ArchimedesProps
{
    densityFieldName "rho";
    gravityFieldName "g";
}

virtualMassForceProps
{
    velFieldName "U";
    densityFieldName "rho";
}

oneWayVTKProps
{
    couplingFilename "vtk_out%4.4d.vtk";
    maxNumberOfParticles 30000;
}

twoWayMPIProps
{
    liggghtsPath "../DEM/in.liggghts_run";
}

twoWayFilesProps
{
    maxNumberOfParticles 10000;
    DEMts 0.00001;
}

centreProps
{
    alphaMin 0.30;
}

dividedProps
{
    alphaMin 0.3;
    scaleUpVol 1.0;
}

bigParticleProps
{
    maxCellsPerParticle 1000;
    alphaMin 0.30;
    scaleUpVol 1.0;
}

engineProps
{
    treeSearch true;
}

// ************************************************************************* //