createFields.H

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Info<< "Reading field p (kinematic)\n" << endl;
volScalarField p
(
    IOobject
    (
        "p",
        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"

singlePhaseTransportModel laminarTransport(U, phi);

autoPtr<incompressible::turbulenceModel> turbulence
(
    incompressible::turbulenceModel::New(U, phi, laminarTransport)
);

#include "readGravitationalAcceleration.H"

Info<< "Creating field zeta\n" << endl;
volVectorField zeta
(
    IOobject
    (
        "zeta",
        runTime.timeName(),
        mesh,
        IOobject::READ_IF_PRESENT,
        IOobject::AUTO_WRITE
    ),
    mesh,
    dimensionedVector("zero", dimLength, Zero)
);

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

// Force p_gh to be consistent with p
// Height is made relative to field 'refLevel'
p_gh =  p - (g & mesh.C());


label p_ghRefCell = 0;
scalar p_ghRefValue = 0.0;
setRefCell(p_gh, pimple.dict(), p_ghRefCell, p_ghRefValue);
mesh.setFluxRequired(p_gh.name());

#include "createMRF.H"