constrainHbyA.C

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#include "constrainHbyA.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "fixedFluxExtrapolatedPressureFvPatchScalarField.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
void Foam::constrainHbyA
(
    volVectorField& HbyA,
    const volVectorField& U,
    const volScalarField& p
)
{
    volVectorField::Boundary& HbyAbf = HbyA.boundaryFieldRef();
 
    forAll(HbyAbf, patchi)
    {
        if
        (
           !U.boundaryField()[patchi].assignable()
        && !isA<fixedFluxExtrapolatedPressureFvPatchScalarField>
            (
                p.boundaryField()[patchi]
            )
        )
        {
            HbyAbf[patchi] = U.boundaryField()[patchi];
        }
    }
}
 
 
void Foam::constrainPhiHbyA
(
    surfaceScalarField& phiHbyA,
    const volVectorField& U,
    const volScalarField& p
)
{
    surfaceScalarField::Boundary& phiHbyAbf = phiHbyA.boundaryFieldRef();
 
    forAll(phiHbyAbf, patchi)
    {
        if
        (
           !U.boundaryField()[patchi].assignable()
        && !isA<fixedFluxExtrapolatedPressureFvPatchScalarField>
            (
                p.boundaryField()[patchi]
            )
        )
        {
            phiHbyAbf[patchi] =
                U.mesh().Sf().boundaryField()[patchi]
              & U.boundaryField()[patchi];
        }
    }
}
 
 
Foam::tmp<Foam::volVectorField> Foam::constrainHbyA
(
    const tmp<volVectorField>& tHbyA,
    const volVectorField& U,
    const volScalarField& p
)
{
    tmp<volVectorField> tHbyANew;
 
    if (tHbyA.isTmp())
    {
        tHbyANew = tHbyA;
        tHbyANew.ref().rename(IOobject::groupName("HbyA", U.group()));
    }
    else
    {
        tHbyANew = volVectorField::New
        (
            IOobject::groupName("HbyA", U.group()),
            tHbyA
        );
    }
 
    constrainHbyA(tHbyANew.ref(), U, p);
 
    return tHbyANew;
}
 
 
Foam::tmp<Foam::surfaceScalarField> Foam::constrainPhiHbyA
(
    const tmp<surfaceScalarField>& tphiHbyA,
    const volVectorField& U,
    const volScalarField& p
)
{
    tmp<surfaceScalarField> tphiHbyANew;
 
    if (tphiHbyA.isTmp())
    {
        tphiHbyANew = tphiHbyA;
        tphiHbyANew.ref().rename(IOobject::groupName("phiHbyA", U.group()));
    }
    else
    {
        tphiHbyANew = surfaceScalarField::New
        (
            IOobject::groupName("phiHbyA", U.group()),
            tphiHbyA
        );
    }
 
    constrainPhiHbyA(tphiHbyANew.ref(), U, p);
 
    return tphiHbyANew;
}
 
 
Foam::tmp<Foam::surfaceScalarField> Foam::constrainPhid
(
    const tmp<surfaceScalarField>& tphid,
    const volVectorField& U,
    const volScalarField& p,
    surfaceScalarField& rhorAUf,
    surfaceScalarField& rhorAAtUf
)
{
    surfaceScalarField& phid = tphid.ref();
    surfaceScalarField::Boundary& phidBf = phid.boundaryFieldRef();
 
    const volScalarField::Boundary& pBf = p.boundaryField();
 
    forAll(phidBf, patchi)
    {
        // Fixed flux
        if (isA<fixedFluxPressureFvPatchScalarField>(pBf[patchi]))
        {
            phidBf[patchi] = 0;
        }
        // Fixed velocity and fixed pressure (supersonic inlet)
        else if
        (
            !U.boundaryField()[patchi].assignable()
         && !pBf[patchi].assignable()
        )
        {
            rhorAUf.boundaryFieldRef()[patchi] = 0;
            rhorAAtUf.boundaryFieldRef()[patchi] = 0;
        }
    }
 
    return tphid;
}
 
 
// ************************************************************************* //