foam-extend4.1-coherent-io/applications/solvers/combustion/XiFoam/createFields.H

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

    autoPtr<hhuCombustionThermo> pThermo
    (
        hhuCombustionThermo::New(mesh)
    );
    hhuCombustionThermo& thermo = pThermo();
    basicMultiComponentMixture& composition = thermo.composition();

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

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

    volScalarField& b = composition.Y("b");
    Info<< "min(b) = " << min(b).value() << endl;

    const volScalarField& T = thermo.T();

    // dummy statement to quench compiler warning
    // Note: T is used in engineFoam
    T.size();

    Info<< "\nReading 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
        )
    );

    Info<< "Creating field DpDt\n" << endl;
    volScalarField DpDt =
        fvc::DDt(surfaceScalarField("phiU", phi/fvc::interpolate(rho)), p);


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


    Info<< "Creating the unstrained laminar flame speed\n" << endl;
    autoPtr<laminarFlameSpeed> unstrainedLaminarFlameSpeed
    (
        laminarFlameSpeed::New(thermo)
    );


    Info<< "Reading strained laminar flame speed field Su\n" << endl;
    volScalarField Su
    (
        IOobject
        (
            "Su",
            runTime.timeName(),
            mesh,
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        mesh
    );

    dimensionedScalar SuMin = 0.01*Su.average();
    dimensionedScalar SuMax = 4*Su.average();

    Info<< "Calculating turbulent flame speed field St\n" << endl;
    volScalarField St
    (
        IOobject
        (
            "St",
            runTime.timeName(),
            mesh,
            IOobject::NO_READ,
            IOobject::AUTO_WRITE
        ),
        Xi*Su
    );


    multivariateSurfaceInterpolationScheme<scalar>::fieldTable fields;

    if (composition.contains("ft"))
    {
        fields.add(composition.Y("ft"));
    }

    fields.add(b);
    fields.add(h);
    fields.add(hu);

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