Info<< "Reading thermophysical properties\n" << endl;

autoPtr<rhoThermo> pThermo(rhoThermo::New(mesh));
rhoThermo& thermo = pThermo();
thermo.validate(args.executable(), "h", "e");

volScalarField rho
(
    IOobject
    (
        "rho",
        runTime.timeName(),
        mesh,
        IOobject::NO_READ,
        IOobject::NO_WRITE
    ),
    thermo.rho()
);

volScalarField& p = thermo.p();
const volScalarField& psi = thermo.psi();

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

#include "compressibleCreatePhi.H"

Info<< "Creating turbulence model\n" << endl;
autoPtr<compressible::turbulenceModel> turbulence
(
    compressible::turbulenceModel::New
    (
        rho,
        U,
        phi,
        thermo
    )
);


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


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

// Force p_rgh to be consistent with p
p_rgh = p - rho*gh;

label pRefCell = 0;
scalar pRefValue = 0.0;
setRefCell
(
    p,
    p_rgh,
    simple.dict(),
    pRefCell,
    pRefValue
);

mesh.setFluxRequired(p_rgh.name());

dimensionedScalar initialMass = fvc::domainIntegrate(rho);
dimensionedScalar totalVolume = sum(mesh.V());
