foam-extend4.1-coherent-io/applications/solvers/compressible/rhopSonicFoam/createFields.H

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

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

    volScalarField psi
    (
        IOobject
        (
            "psi",
            runTime.timeName(),
            mesh,
            IOobject::NO_READ,
            IOobject::AUTO_WRITE
        ),
        1.0/(R*T)
    );
    psi.oldTime();

#   include "rhoBoundaryTypes.H"
    volScalarField rho
    (
        IOobject
        (
            "rho",
            runTime.timeName(),
            mesh,
            IOobject::NO_READ,
            IOobject::AUTO_WRITE
        ),
        p*psi,
        rhoBoundaryTypes
    );

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

#   include "rhoUboundaryTypes.H"
    volVectorField rhoU
    (
        IOobject
        (
            "rhoU",
            runTime.timeName(),
            mesh,
            IOobject::NO_READ,
            IOobject::AUTO_WRITE
        ),
        rho*U,
        rhoUboundaryTypes
    );

#   include "rhoEboundaryTypes.H"
    volScalarField rhoE
    (
        IOobject
        (
            "rhoE",
            runTime.timeName(),
            mesh,
            IOobject::NO_READ,
            IOobject::AUTO_WRITE
        ),
        rho*Cv*T + 0.5*rho*magSqr(rhoU/rho),
        rhoEboundaryTypes
    );

#   include "compressibleCreatePhi.H"
    phi.oldTime();

    surfaceScalarField phiv
    (
        IOobject
        (
            "phiv",
            runTime.timeName(),
            mesh
        ),
        phi/linearInterpolate(rho),
        phi.boundaryField().types()
    );

    rhoU.correctBoundaryConditions();

    multivariateSurfaceInterpolationScheme<scalar>::fieldTable fields;

    volScalarField magRhoU = mag(rhoU);
    volScalarField H("H", (rhoE + p)/rho);

    fields.add(rho);
    fields.add(magRhoU);
    fields.add(H);

    mesh.schemesDict().setFluxRequired(p.name());