createFields.H

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Info<< "Reading physicalProperties\n" << endl;

IOdictionary physicalProperties
(
    IOobject
    (
        "physicalProperties",
        runTime.constant(),
        mesh,
        IOobject::MUST_READ_IF_MODIFIED,
        IOobject::NO_WRITE
    )
);

dimensionedScalar rho
(
    "rho",
    dimDensity,
    physicalProperties
);

dimensionedScalar nu
(
    "nu",
    dimViscosity,
    physicalProperties
);

dimensionedScalar mu
(
    "mu",
    dimensionSet(1, 1, -2, 0, 0, -2, 0),
    physicalProperties
);

dimensionedScalar sigma
(
    "sigma",
    dimensionSet(-1, -3, 3, 0, 0, 2, 0),
    physicalProperties
);

Info<< "Reading field p\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"

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


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


#include "createPhiB.H"

dimensionedScalar DB = 1.0/(mu*sigma);
DB.name() = "DB";

dimensionedScalar DBU = 1.0/(2.0*mu*rho);
DBU.name() = "DBU";

pressureReference pressureReference(p, piso.dict());

mesh.schemes().setFluxRequired(p.name());
mesh.schemes().setFluxRequired(pB.name());