mirror of
https://github.com/ParticulateFlow/CFDEMcoupling-PFM.git
synced 2025-12-08 06:37:44 +00:00
132 lines
2.9 KiB
C
132 lines
2.9 KiB
C
rho = thermo.rho();
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#if OPENFOAM_VERSION_MAJOR < 5
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rho = max(rho, rhoMin);
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rho = min(rho, rhoMax);
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rho.relax();
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rhoeps = rho*voidfraction;
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#else
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rhoeps = rho*voidfraction;
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// Thermodynamic density needs to be updated by psi*d(p) after the
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// pressure solution
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const volScalarField psip0(psi*p);
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#endif
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volScalarField rAU(1.0/UEqn.A());
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surfaceScalarField rhorAUf("rhorAUf", (modelType=="A")?fvc::interpolate(voidfraction*rhoeps*rAU):fvc::interpolate(rhoeps*rAU));
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volVectorField HbyA(constrainHbyA(rAU*UEqn.H(), U, p));
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surfaceScalarField phiUs("phiUs", fvc::interpolate(rhoeps*rAU*Ksl*Us)& mesh.Sf());
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if (pimple.nCorrPISO() <= 1)
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{
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tUEqn.clear();
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}
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surfaceScalarField phiHbyA
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(
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"phiHbyA",
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fvc::interpolate(rhoeps)*fvc::flux(HbyA)
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+ rhorAUf*fvc::ddtCorr(rhoeps, U, phi)
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);
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if (pimple.transonic())
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{
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// transonic version not implemented yet
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}
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else
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{
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// flux without pressure gradient contribution
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phi = phiHbyA + phiUs;
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// Update the pressure BCs to ensure flux consistency
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constrainPressure(p, rhoeps, U, phi, rhorAUf);
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volScalarField SmbyP(particleCloud.chemistryM(0).Sm() / p);
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#if OPENFOAM_VERSION_MAJOR >= 5
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fvScalarMatrix pDDtEqn
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(
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fvc::ddt(rhoeps)
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+ psi*voidfraction*correction(fvm::ddt(p))
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+ fvc::div(phi)
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==
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fvm::Sp(SmbyP, p)
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+ fvOptions(psi, p, rho.name())
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);
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#endif
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while (pimple.correctNonOrthogonal())
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{
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// Pressure corrector
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#if OPENFOAM_VERSION_MAJOR < 5
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fvScalarMatrix pEqn
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(
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fvm::ddt(voidfraction, psi, p)
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+ fvc::div(phi)
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- fvm::laplacian(rhorAUf, p)
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==
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fvm::Sp(SmbyP, p)
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+ fvOptions(psi, p, rho.name())
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);
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#else
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fvScalarMatrix pEqn(pDDtEqn - fvm::laplacian(rhorAUf, p));
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#endif
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pEqn.solve(mesh.solver(p.select(pimple.finalInnerIter())));
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if (pimple.finalNonOrthogonalIter())
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{
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phi += pEqn.flux();
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}
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}
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}
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// Thermodynamic density update
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#if OPENFOAM_VERSION_MAJOR >= 5
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thermo.correctRho(psi*p - psip0);
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#endif
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#include "rhoEqn.H"
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#include "compressibleContinuityErrsPU.H"
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// Explicitly relax pressure for momentum corrector
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p.relax();
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Info<< "p max/min/ave : " << max(p).value()
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<< " " << min(p).value() << " " << average(p).value() << endl;
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if (modelType=="A")
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{
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U = HbyA - rAU*(voidfraction*fvc::grad(p)-Ksl*Us);
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}
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else
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{
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U = HbyA - rAU*(fvc::grad(p)-Ksl*Us);
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}
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U.correctBoundaryConditions();
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fvOptions.correct(U);
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K = 0.5*magSqr(U);
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// Recalculate density from the relaxed pressure
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#if OPENFOAM_VERSION_MAJOR >= 5
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if (pressureControl.limit(p))
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{
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p.correctBoundaryConditions();
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}
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rho = thermo.rho();
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#else
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rho = thermo.rho();
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rho = max(rho, rhoMin);
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rho = min(rho, rhoMax);
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rho.relax();
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#endif
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rhoeps = rho*voidfraction;
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Info<< "rho max/min/ave : " << max(rho).value()
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<< " " << min(rho).value() << " " << average(rho).value() << endl;
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if (thermo.dpdt())
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{
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dpdt = fvc::ddt(voidfraction,p);
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}
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