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

    Info<< "Reading field alpha1\n" << endl;
    volScalarField alpha1
    (
        IOobject
        (
            "alpha1",
            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 transportProperties\n" << endl;
    twoPhaseMixture twoPhaseProperties(U, phi, "alpha1");

    const dimensionedScalar& rho1 = twoPhaseProperties.rho1();
    const dimensionedScalar& rho2 = twoPhaseProperties.rho2();


    // Need to store rho for ddt(rho, U)
    volScalarField rho
    (
        IOobject
        (
            "rho",
            runTime.timeName(),
            mesh,
            IOobject::READ_IF_PRESENT
        ),
        alpha1*rho1 + (scalar(1) - alpha1)*rho2,
        alpha1.boundaryField().types()
    );
    rho.oldTime();


    // Mass flux
    // Initialisation does not matter because rhoPhi is reset after the
    // alpha1 solution before it is used in the U equation.
    surfaceScalarField rhoPhi
    (
        IOobject
        (
            "rho*phi",
            runTime.timeName(),
            mesh,
            IOobject::NO_READ,
            IOobject::NO_WRITE
        ),
        rho1*phi
    );


    Info<< "Calculating field g.h\n" << endl;
    volScalarField gh("gh", g & mesh.C());
    surfaceScalarField ghf("gh", g & mesh.Cf());

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

    // Set reference cell taking into account whether implicit or explicit
    // overset aglorithm is used for field p.
    label pRefCell = 0;
    scalar pRefValue = 0.0;
    om.setRefCell(p, pimple.dict(), pRefCell, pRefValue);

    mesh.schemesDict().setFluxRequired(pd.name());
    mesh.schemesDict().setFluxRequired(alpha1.name());

    // Construct interface from alpha1 distribution
    interfaceProperties interface(alpha1, U, twoPhaseProperties);

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

    Info<< "Reading field rAU if present\n" << endl;
    volScalarField rAU
    (
        IOobject
        (
            "rAU",
            runTime.timeName(),
            mesh,
            IOobject::READ_IF_PRESENT,
            IOobject::AUTO_WRITE
        ),
        mesh,
        runTime.deltaT()/rho1,
        zeroGradientFvPatchScalarField::typeName
    );

#   include "writeOversetMasks.H"