foam-extend4.1-coherent-io/applications/utilities/mesh/advanced/runDynamicMesh/createFields.H

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