foam-extend4.1-coherent-io/applications/solvers/financial/financialFoam/createFields.H

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

    IOdictionary financialProperties
    (
        IOobject
        (
            "financialProperties",
            runTime.constant(),
            mesh,
            IOobject::MUST_READ_IF_MODIFIED,
            IOobject::NO_WRITE
        )
    );

    dimensionedScalar strike
    (
        financialProperties.lookup("strike")
    );

    dimensionedScalar r
    (
        financialProperties.lookup("r")
    );

    dimensionedScalar sigma
    (
        financialProperties.lookup("sigma")
    );

    dimensionedScalar sigmaSqr = sqr(sigma);


    Info<< nl << "Reading field V" << endl;

    volScalarField V
    (
        IOobject
        (
            "V",
            runTime.timeName(),
            mesh,
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        mesh
    );


    surfaceVectorField Pf
    (
        IOobject
        (
            "Pf",
            runTime.timeName(),
            mesh,
            IOobject::NO_READ,
            IOobject::NO_WRITE
        ),
        mesh.Cf()
    );


    volVectorField P
    (
        IOobject
        (
            "P",
            runTime.timeName(),
            mesh,
            IOobject::NO_READ,
            IOobject::NO_WRITE
        ),
        mesh.C()
    );

//-    V == max(strike - P.x(), dimensionedScalar("0", V.dimensions(), 0.0));
    V == max
    (
        P.component(Foam::vector::X) - strike,
        dimensionedScalar("0", V.dimensions(), 0.0)
    );


    volScalarField delta
    (
        IOobject
        (
            "delta",
            runTime.timeName(),
            mesh,
            IOobject::NO_READ,
            IOobject::AUTO_WRITE
        ),
        fvc::grad(V)().component(Foam::vector::X)
    );