foam-extend4.1-coherent-io/applications/solvers/solidMechanics/deprecatedSolvers/materialModels/rheologyModel/rheologyLaws/BurgersViscoelastic/BurgersViscoelastic.H

/*---------------------------------------------------------------------------*\
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Class
    BurgersViscoelastic

Description
    Linear elastic rheology

SourceFiles
    BurgersViscoelastic.C

\*---------------------------------------------------------------------------*/

#ifndef BurgersViscoelastic_H
#define BurgersViscoelastic_H

#include "rheologyLaw.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

/*---------------------------------------------------------------------------*\
                       Class BurgersViscoelastic Declaration
\*---------------------------------------------------------------------------*/

class BurgersViscoelastic
:
    public rheologyLaw
{
    // Private data

        //- Density
        dimensionedScalar rho_;

        //- Linear spring constant of Maxwell model
        dimensionedScalar k1_;

        //- Coefficient of viscosity of Maxwell model
        dimensionedScalar eta1_;

        //- Linear spring constant of Kelvin model
        dimensionedScalar k2_;

        //- Coefficient of viscosity of Kelvin model
        dimensionedScalar eta2_;

        //- Poisson's ratio
        dimensionedScalar nu_;


    // Private Member Functions

        //- Disallow default bitwise copy construct
        BurgersViscoelastic(const BurgersViscoelastic&);

        //- Disallow default bitwise assignment
        void operator=(const BurgersViscoelastic&);


public:

    //- Runtime type information
    TypeName("BurgersViscoelastic");

    // Static data members


    // Constructors

        //- Construct from dictionary
        BurgersViscoelastic
        (
            const word& name,
            const volSymmTensorField& sigma,
            const dictionary& dict
        );


    // Destructor

        virtual ~BurgersViscoelastic();


    // Member Functions

        //- Return density
        virtual tmp<volScalarField> rho() const
        {
            return rho(0);
        }

        //- Return modulus of elasticity
        virtual tmp<volScalarField> E() const
        {
            return E(0);
        }

        //- Return Poisson's ratio
        virtual tmp<volScalarField> nu() const
        {
            return nu(0);
        }

        //- Return density
        virtual tmp<volScalarField> rho(scalar t) const;

        //- Return modulus of elasticity
        virtual tmp<volScalarField> E(scalar t) const;

        //- Return Poisson's ratio
        virtual tmp<volScalarField> nu(scalar t) const;

        //- Return creep compliance
        virtual tmp<volScalarField> J(scalar t) const;

        //- Correct the rheological model
        virtual void correct()
        {}
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //