CourantNo.H

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Class
    Foam::functionObjects::CourantNo
 
Description
    Calculates and outputs the Courant number as a volScalarField.  The field is
    stored on the mesh database so that it can be retrieved and used for other
    applications.
 
See also
    Foam::functionObjects::fieldExpression
    Foam::functionObjects::fvMeshFunctionObject
 
SourceFiles
    CourantNo.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef functionObjects_CourantNo_H
#define functionObjects_CourantNo_H
 
#include "fieldExpression.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
 
/*---------------------------------------------------------------------------*\
                          Class CourantNo Declaration
\*---------------------------------------------------------------------------*/
 
class CourantNo
:
    public fieldExpression
{
    // Private Data
 
        //- Name of flux field, default is "phi"
        word phiName_;
 
        //- Name of density field (optional)
        word rhoName_;
 
 
    // Private Member Functions
 
        //- Divide the Courant number by rho if required
        tmp<volScalarField::Internal> byRho
        (
            const tmp<volScalarField::Internal>& Co
        ) const;
 
        //- Calculate the Courant number field and return true if successful
        virtual bool calc();
 
 
public:
 
    //- Runtime type information
    TypeName("CourantNo");
 
 
    // Constructors
 
        //- Construct from Time and dictionary
        CourantNo
        (
            const word& name,
            const Time&,
            const dictionary&
        );
 
 
    //- Destructor
    virtual ~CourantNo();
 
 
    // Member Functions
 
        //- Read the CourantNo data
        virtual bool read(const dictionary&);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace functionObjects
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //