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cfdemSolverPisoSTM.C
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cfdemSolverPisoSTM.C
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/*---------------------------------------------------------------------------*\
CFDEMcoupling - Open Source CFD-DEM coupling
CFDEMcoupling is part of the CFDEMproject
www.cfdem.com
Christoph Goniva, christoph.goniva@cfdem.com
Copyright (C) 1991-2009 OpenCFD Ltd.
Copyright (C) 2012- DCS Computing GmbH,Linz
-------------------------------------------------------------------------------
License
This file is part of CFDEMcoupling.
CFDEMcoupling is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CFDEMcoupling is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with CFDEMcoupling. If not, see <http://www.gnu.org/licenses/>.
Application
cfdemSolverPisoSTM
Description
Transient solver for incompressible flow.
Turbulence modelling is generic, i.e. laminar, RAS or LES may be selected.
The code is an evolution of the solver pisoFoam in OpenFOAM(R) 1.6,
where additional functionality for CFD-DEM coupling is added.
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
#include "singlePhaseTransportModel.H"
#include "OFversion.H"
#if defined(version30)
#include "turbulentTransportModel.H"
#include "pisoControl.H"
#else
#include "turbulenceModel.H"
#endif
#if defined(versionv1606plus) || defined(version40)
#include "fvOptions.H"
#else
#include "fvIOoptionList.H"
#endif
#include "fixedFluxPressureFvPatchScalarField.H"
#ifdef MS
#include "cfdemCloudMS.H"
#else
#include "cfdemCloud.H"
#endif
#if defined(anisotropicRotation)
#include "cfdemCloudRotation.H"
#endif
#include "implicitCouple.H"
#include "clockModel.H"
#include "smoothingModel.H"
#include "forceModel.H"
#include "scalarTransportModel.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
#include "setRootCase.H"
#include "createTime.H"
#include "createMesh.H"
#if defined(version30)
pisoControl piso(mesh);
#include "createTimeControls.H"
#endif
#include "createFields.H"
#include "createFvOptions.H"
#include "initContinuityErrs.H"
// create cfdemCloud
#include "readGravitationalAcceleration.H"
#include "checkImCoupleM.H"
#if defined(anisotropicRotation)
cfdemCloudRotation particleCloud(mesh);
#else
#ifdef MS
cfdemCloudMS particleCloud(mesh);
#else
cfdemCloud particleCloud(mesh);
#endif
#endif
#include "checkModelType.H"
// create a scalarTransportModel
autoPtr<scalarTransportModel> stm
(
scalarTransportModel::New(particleCloud.couplingProperties(),particleCloud)
);
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Info<< "\nStarting time loop\n" << endl;
while (runTime.loop())
{
Info<< "Time = " << runTime.timeName() << nl << endl;
#if defined(version30)
#include "readTimeControls.H"
#include "CourantNo.H"
#include "setDeltaT.H"
#else
#include "readPISOControls.H"
#include "CourantNo.H"
#endif
// do particle stuff
particleCloud.clockM().start(1,"Global");
particleCloud.clockM().start(2,"Coupling");
bool hasEvolved = particleCloud.evolve(voidfraction,Us,U);
if(hasEvolved)
{
particleCloud.smoothingM().smoothenAbsolutField(particleCloud.forceM(0).impParticleForces());
}
Ksl = particleCloud.momCoupleM(particleCloud.registryM().getProperty("implicitCouple_index")).impMomSource();
Ksl.correctBoundaryConditions();
surfaceScalarField voidfractionf = fvc::interpolate(voidfraction);
phi = voidfractionf*phiByVoidfraction;
//Force Checks
#include "forceCheckIm.H"
#include "solverDebugInfo.H"
particleCloud.clockM().stop("Coupling");
particleCloud.clockM().start(26,"Flow");
//Scalar transport if desired. Use "none" (noTransport) if no scalar transport is desired
stm().update();
if(particleCloud.solveFlow())
{
// Pressure-velocity PISO corrector
{
// Momentum predictor
fvVectorMatrix UEqn
(
fvm::ddt(voidfraction,U) - fvm::Sp(fvc::ddt(voidfraction),U)
+ fvm::div(phi,U) - fvm::Sp(fvc::div(phi),U)
// + turbulence->divDevReff(U)
+ particleCloud.divVoidfractionTau(U, voidfraction)
==
- fvm::Sp(Ksl/rho,U)
+ fvOptions(U)
);
UEqn.relax();
fvOptions.constrain(UEqn);
#if defined(version30)
if (piso.momentumPredictor())
#else
if (momentumPredictor)
#endif
{
if (modelType=="B" || modelType=="Bfull")
solve(UEqn == - fvc::grad(p) + Ksl/rho*Us);
else
solve(UEqn == - voidfraction*fvc::grad(p) + Ksl/rho*Us);
fvOptions.correct(U);
}
// --- PISO loop
#if defined(version30)
while (piso.correct())
#else
for (int corr=0; corr<nCorr; corr++)
#endif
{
volScalarField rUA = 1.0/UEqn.A();
surfaceScalarField rUAf("(1|A(U))", fvc::interpolate(rUA));
volScalarField rUAvoidfraction("(voidfraction2|A(U))",rUA*voidfraction);
surfaceScalarField rUAfvoidfraction("(voidfraction2|A(U)F)", fvc::interpolate(rUAvoidfraction));
U = rUA*UEqn.H();
#ifdef version23
phi = ( fvc::interpolate(U) & mesh.Sf() )
+ rUAfvoidfraction*fvc::ddtCorr(U, phiByVoidfraction);
#else
phi = ( fvc::interpolate(U) & mesh.Sf() )
+ fvc::ddtPhiCorr(rUAvoidfraction, U, phiByVoidfraction);
#endif
surfaceScalarField phiS(fvc::interpolate(Us) & mesh.Sf());
phi += rUAf*(fvc::interpolate(Ksl/rho) * phiS);
if (modelType=="A")
rUAvoidfraction = volScalarField("(voidfraction2|A(U))",rUA*voidfraction*voidfraction);
// Update the fixedFluxPressure BCs to ensure flux consistency
#include "fixedFluxPressureHandling.H"
// Non-orthogonal pressure corrector loop
#if defined(version30)
while (piso.correctNonOrthogonal())
#else
for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
#endif
{
// Pressure corrector
fvScalarMatrix pEqn
(
fvm::laplacian(rUAvoidfraction, p) == fvc::div(voidfractionf*phi) + particleCloud.ddtVoidfraction()
);
pEqn.setReference(pRefCell, pRefValue);
#if defined(version30)
pEqn.solve(mesh.solver(p.select(piso.finalInnerIter())));
if (piso.finalNonOrthogonalIter())
{
phiByVoidfraction = phi - pEqn.flux()/voidfractionf;
}
#else
if( corr == nCorr-1 && nonOrth == nNonOrthCorr )
#if defined(versionExt32)
pEqn.solve(mesh.solutionDict().solver("pFinal"));
#else
pEqn.solve(mesh.solver("pFinal"));
#endif
else
pEqn.solve();
if (nonOrth == nNonOrthCorr)
{
phiByVoidfraction = phi - pEqn.flux()/voidfractionf;
}
#endif
} // end non-orthogonal corrector loop
phi = voidfractionf*phiByVoidfraction;
#include "continuityErrorPhiPU.H"
if (modelType=="B" || modelType=="Bfull")
U -= rUA*fvc::grad(p) - Ksl/rho*Us*rUA;
else
U -= voidfraction*rUA*fvc::grad(p) - Ksl/rho*Us*rUA;
U.correctBoundaryConditions();
fvOptions.correct(U);
} // end piso loop
}
laminarTransport.correct();
turbulence->correct();
}// end solveFlow
else
{
Info << "skipping flow solution." << endl;
}
runTime.write();
Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
<< " ClockTime = " << runTime.elapsedClockTime() << " s"
<< nl << endl;
particleCloud.clockM().stop("Flow");
particleCloud.clockM().stop("Global");
}
Info<< "End\n" << endl;
return 0;
}
// ************************************************************************* //