adjointTurbulenceModel.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2007-2021 PCOpt/NTUA
    Copyright (C) 2013-2021 FOSS GP
    Copyright (C) 2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
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Namespace
    Foam::incompressibleAdjoint
 
Description
    Namespace for incompressible adjoint turbulence models.
 
Class
    Foam::incompressibleAdjoint::adjointTurbulenceModel
 
Description
    Abstract base class for incompressible adjoint turbulence models
    (RAS, LES and laminar).
 
SourceFiles
    adjointTurbulenceModel.C
    newTurbulenceModel.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef adjointTurbulenceModel_H
#define adjointTurbulenceModel_H
 
#include "incompressibleVars.H"
#include "incompressibleAdjointMeanFlowVars.H"
#include "objectiveManager.H"
#include "Time.H"
#include "runTimeSelectionTables.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declarations
class fvMesh;
 
namespace incompressibleAdjoint
{
 
/*---------------------------------------------------------------------------*\
                    Class adjointTurbulenceModel Declaration
\*---------------------------------------------------------------------------*/
 
class adjointTurbulenceModel
:
    public regIOobject
{
private:
 
    // Private Member Functions
 
        //- No copy construct
        adjointTurbulenceModel(const adjointTurbulenceModel&) = delete;
 
        //- No copy assignment
        void operator=(const adjointTurbulenceModel&) = delete;
 
 
protected:
 
    // Protected data
 
        incompressibleVars& primalVars_;
        incompressibleAdjointMeanFlowVars& adjointVars_;
        const Time& runTime_;
        const fvMesh& mesh_;
 
 
public:
 
    //- Runtime type information
    TypeName("adjointTurbulenceModel");
 
 
    // Declare run-time New selection table
 
        declareRunTimeNewSelectionTable
        (
            autoPtr,
            adjointTurbulenceModel,
            adjointTurbulenceModel,
            (
                incompressibleVars& primalVars,
                incompressibleAdjointMeanFlowVars& adjointVars,
                objectiveManager& objManager,
                const word& adjointTurbulenceModelName
            ),
            (
                primalVars,
                adjointVars,
                objManager,
                adjointTurbulenceModelName
            )
        );
 
 
    // Constructors
 
        //- Construct from components
        adjointTurbulenceModel
        (
            incompressibleVars& primalVars,
            incompressibleAdjointMeanFlowVars& adjointVars,
            objectiveManager& objManager,
            const word& adjointTurbulenceModelName = typeName
        );
 
 
    // Selectors
 
        //- Return a reference to the selected turbulence model
        static autoPtr<adjointTurbulenceModel> New
        (
            incompressibleVars& primalVars,
            incompressibleAdjointMeanFlowVars& adjointVars,
            objectiveManager& objManager,
            const word& adjointTurbulenceModelName = typeName
        );
 
 
    //- Destructor
    virtual ~adjointTurbulenceModel() = default;
 
 
    // Member Functions
 
        //- Return the laminar viscosity
        inline tmp<volScalarField> nu() const
        {
            return primalVars_.laminarTransport().nu();
        }
 
        //- Return the turbulence viscosity
        virtual const volScalarField& nut() const
        {
            return primalVars_.RASModelVariables()().nutRef();
        }
 
        //- Return the effective viscosity
        virtual tmp<volScalarField> nuEff() const
        {
            // Go through RASModelVariables::nutRef in order to obtain
            // the mean field, if present
            const singlePhaseTransportModel& lamTrans =
                primalVars_.laminarTransport();
            const autoPtr<incompressible::RASModelVariables>&
                turbVars = primalVars_.RASModelVariables();
 
            return
                tmp<volScalarField>::New
                (
                    "nuEff",
                    lamTrans.nu()() + turbVars().nutRef()
                );
            //return primalVars_.turbulence()().nuEff();
        }
 
        //- Return the effective viscosity on a given patch
        virtual tmp<scalarField> nuEff(const label patchI) const
        {
            // Go through RASModelVariables::nutRef in order to obtain
            // the mean field, if present
            const singlePhaseTransportModel& lamTrans =
                primalVars_.laminarTransport();
            const autoPtr<incompressible::RASModelVariables>&
                turbVars = primalVars_.RASModelVariables();
 
            return
                (
                    lamTrans.nu()().boundaryField()[patchI]
                  + turbVars().nutRef().boundaryField()[patchI]
                );
        }
 
        //- Return the effective stress tensor including the laminar stress
        virtual tmp<volSymmTensorField> devReff() const = 0;
 
        //- Return the effective stress tensor based on a given velocity field
        virtual tmp<volSymmTensorField> devReff
        (
            const volVectorField& U
        ) const = 0;
 
        //- Return the diffusion term for the momentum equation
        virtual tmp<fvVectorMatrix> divDevReff(volVectorField& U) const = 0;
 
        //- Source term added to the adjoint mean flow due to the
        //  differentiation of the turbulence model
        virtual tmp<volVectorField> adjointMeanFlowSource() = 0;
 
        //- Solve the adjoint turbulence equations
        virtual void correct() = 0;
 
        //- Read adjointLESProperties or adjointRASProperties dictionary
        virtual bool read() = 0;
 
        //- Default dummy write function
        virtual bool writeData(Ostream&) const
        {
            return true;
        }
 
        //- Nullify all adjoint turbulence model fields and their old times
        virtual void nullify() = 0;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace incompressibleAdjoint
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //