createFields.H

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Info<< "Reading field p_rgh\n" << endl;
volScalarField p_rgh
(
    IOobject
    (
        "p_rgh",
        runTime.timeName(),
        mesh,
        IOobject::MUST_READ,
        IOobject::AUTO_WRITE
    ),
    mesh
);

Info<< "Reading field U\n" << endl;
volVectorField U
(
    IOobject
    (
        "U",
        runTime.timeName(),
        mesh,
        IOobject::MUST_READ,
        IOobject::AUTO_WRITE
    ),
    mesh
);

#include "createPhi.H"

multiphaseMixture mixture(U, phi);

// Need to store rho for ddt(rho, U)
volScalarField rho
(
    IOobject
    (
        "rho",
        runTime.timeName(),
        mesh,
        IOobject::READ_IF_PRESENT
    ),
    mixture.rho()
);
rho.oldTime();

// Construct incompressible turbulence model
autoPtr<incompressible::momentumTransportModel> turbulence
(
    incompressible::momentumTransportModel::New(U, phi, mixture)
);


#include "readGravitationalAcceleration.H"
#include "readhRef.H"
#include "gh.H"


volScalarField p
(
    IOobject
    (
        "p",
        runTime.timeName(),
        mesh,
        IOobject::NO_READ,
        IOobject::AUTO_WRITE
    ),
    p_rgh + rho*gh
);

pressureReference pressureReference(p, p_rgh, pimple.dict());

if (p_rgh.needReference())
{
    p += dimensionedScalar
    (
        "p",
        p.dimensions(),
        pressureReference.refValue()
      - getRefCellValue(p, pressureReference.refCell())
    );
    p_rgh = p - rho*gh;
}

mesh.setFluxRequired(p_rgh.name());

#include "createMRF.H"
#include "createFvModels.H"
#include "createFvConstraints.H"