moveMesh.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2022-2023 OpenFOAM Foundation
     \\/     M anipulation  |
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License
    This file is part of OpenFOAM.
 
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#include "VoFSolver.H"
#include "fvCorrectPhi.H"
#include "fvcMeshPhi.H"
#include "fvcDiv.H"
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
void Foam::solvers::VoFSolver::moveMesh()
{
    if (pimple.firstIter() || pimple.moveMeshOuterCorrectors())
    {
        if
        (
            (correctPhi || mesh.topoChanged())
         && divergent()
         && !divU.valid()
        )
        {
            // Construct and register divU for correctPhi
            divU = new volScalarField
            (
                "divU0",
                fvc::div(fvc::absolute(phi, U))
            );
        }
 
        // Move the mesh
        mesh_.move();
 
        if (mesh.changing())
        {
            buoyancy.moveMesh();
 
            MRF.update();
 
            if (correctPhi || mesh.topoChanged())
            {
                // Calculate absolute flux
                // from the mapped surface velocity
                phi_ = mesh.Sf() & Uf();
 
                correctUphiBCs(U_, phi_, true);
 
                if (incompressible())
                {
                    fv::correctPhi
                    (
                        phi_,
                        U,
                        p_rgh,
                        rAU,
                        divU,
                        pressureReference(),
                        pimple
                    );
                }
                else
                {
                    fv::correctPhi
                    (
                        phi_,
                        p_rgh,
                        psiByRho(),
                        rAU,
                        divU(),
                        pimple
                    );
                }
 
                // Make the fluxes relative to the mesh motion
                fvc::makeRelative(phi_, U);
            }
 
            meshCourantNo();
 
            correctInterface();
        }
 
        divU.clear();
    }
}
 
 
// ************************************************************************* //