f38fd3e314
to separate the interface treatment between VoF and drift-flux and avoid code duplication.
159 lines
4.4 KiB
C++
159 lines
4.4 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Copyright (C) 2023 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "twoPhaseSolver.H"
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#include "constrainHbyA.H"
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#include "constrainPressure.H"
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#include "adjustPhi.H"
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#include "findRefCell.H"
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#include "fvcMeshPhi.H"
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#include "fvcFlux.H"
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#include "fvcDdt.H"
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#include "fvcDiv.H"
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#include "fvcSnGrad.H"
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#include "fvcReconstruct.H"
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#include "fvmLaplacian.H"
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// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
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void Foam::solvers::twoPhaseSolver::incompressiblePressureCorrector
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(
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volScalarField& p
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)
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{
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volVectorField& U = U_;
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surfaceScalarField& phi(phi_);
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fvVectorMatrix& UEqn = tUEqn.ref();
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setrAU(UEqn);
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const surfaceScalarField rAUf("rAUf", fvc::interpolate(rAU()));
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while (pimple.correct())
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{
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volVectorField HbyA(constrainHbyA(rAU()*UEqn.H(), U, p_rgh));
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surfaceScalarField phiHbyA
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(
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"phiHbyA",
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fvc::flux(HbyA)
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+ fvc::interpolate(rho*rAU())*fvc::ddtCorr(U, phi, Uf)
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);
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MRF.makeRelative(phiHbyA);
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if (p_rgh.needReference())
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{
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fvc::makeRelative(phiHbyA, U);
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adjustPhi(phiHbyA, U, p_rgh);
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fvc::makeAbsolute(phiHbyA, U);
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}
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surfaceScalarField phig
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(
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(
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surfaceTensionForce()
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- buoyancy.ghf*fvc::snGrad(rho)
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)*rAUf*mesh.magSf()
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);
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phiHbyA += phig;
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// Update the pressure BCs to ensure flux consistency
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constrainPressure(p_rgh, U, phiHbyA, rAUf, MRF);
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// Cache the phase change pressure source
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fvScalarMatrix Sp_rgh
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(
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fvModels().source
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(
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volScalarField::New
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(
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"1",
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mesh,
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dimensionedScalar(dimless/dimPressure, 1)
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),
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p_rgh
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)
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);
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while (pimple.correctNonOrthogonal())
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{
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fvScalarMatrix p_rghEqn
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(
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fvc::div(phiHbyA) - fvm::laplacian(rAUf, p_rgh)
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== Sp_rgh
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);
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p_rghEqn.setReference
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(
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pressureReference().refCell(),
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getRefCellValue(p_rgh, pressureReference().refCell())
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);
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p_rghEqn.solve();
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if (pimple.finalNonOrthogonalIter())
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{
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phi = phiHbyA + p_rghEqn.flux();
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p_rgh.relax();
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U = HbyA
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+ rAU()*fvc::reconstruct((phig + p_rghEqn.flux())/rAUf);
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U.correctBoundaryConditions();
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fvConstraints().constrain(U);
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}
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}
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continuityErrors();
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// Correct Uf if the mesh is moving
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fvc::correctUf(Uf, U, phi, MRF);
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// Make the fluxes relative to the mesh motion
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fvc::makeRelative(phi, U);
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p == p_rgh + rho*buoyancy.gh;
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if (p_rgh.needReference())
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{
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p += dimensionedScalar
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(
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"p",
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p.dimensions(),
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pressureReference().refValue()
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- getRefCellValue(p, pressureReference().refCell())
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);
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p_rgh = p - rho*buoyancy.gh;
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}
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}
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clearrAU();
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tUEqn.clear();
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}
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// ************************************************************************* //
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