Lambda2.H

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    This file is part of OpenFOAM.
 
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Class
    Foam::functionObjects::Lambda2
 
Description
    Calculates and outputs the second largest eigenvalue of the sum of the
    square of the symmetric and anti-symmetric parts of the velocity
    gradient tensor.
 
See also
    Foam::functionObjects::fieldExpression
    Foam::functionObjects::fvMeshFunctionObject
 
SourceFiles
    Lambda2.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef functionObjects_Lambda2_H
#define functionObjects_Lambda2_H
 
#include "fieldExpression.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
 
/*---------------------------------------------------------------------------*\
                           Class Lambda2 Declaration
\*---------------------------------------------------------------------------*/
 
class Lambda2
:
    public fieldExpression
{
    // Private Member Functions
 
        //- Calculate the Lambda2 field and return true if successful
        virtual bool calc();
 
 
public:
 
    //- Runtime type information
    TypeName("Lambda2");
 
 
    // Constructors
 
        //- Construct from Time and dictionary
        Lambda2
        (
            const word& name,
            const Time& runTime,
            const dictionary& dict
        );
 
 
    //- Destructor
    virtual ~Lambda2();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace functionObjects
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //