basicChemistryModel.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2009-2010 OpenCFD Ltd.
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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
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Class
    Foam::basicChemistryModel

Description
    Base class for chemistry models

SourceFiles
    basicChemistryModelI.H
    basicChemistryModel.C

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

#ifndef basicChemistryModel_H
#define basicChemistryModel_H

#include <OpenFOAM/IOdictionary.H>
#include <OpenFOAM/Switch.H>
#include <OpenFOAM/scalarField.H>
#include <finiteVolume/volFieldsFwd.H>

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

namespace Foam
{

// Forward declaration of classes
class fvMesh;

/*---------------------------------------------------------------------------*\
                   class basicChemistryModel Declaration
\*---------------------------------------------------------------------------*/

class basicChemistryModel
:
    public IOdictionary
{
    // Private Member Functions

        //- Construct as copy (not implemented)
        basicChemistryModel(const basicChemistryModel&);

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


protected:

    // Protected data

        //- Reference to the mesh database
        const fvMesh& mesh_;

        //- Chemistry activation switch
        Switch chemistry_;

        //- Latest estimation of integration step
        scalarField deltaTChem_;


    // Protected member functions

        //- Return non-const access to the latest estimation of integration
        //  step, e.g. for multi-chemistry model
        scalarField& deltaTChem();


public:

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


    // Constructors

        //- Construct from mesh
        basicChemistryModel(const fvMesh& mesh);


    //- Destructor
    virtual ~basicChemistryModel();


    // Member Functions

        //- Return const access to the mesh database
        inline const fvMesh& mesh() const;

        //- Chemistry activation switch
        inline Switch chemistry() const;

        //- Return the latest estimation of integration step
        inline const scalarField& deltaTChem() const;


        // Functions to be derived in derived classes

            // Fields

                //- Return const access to chemical source terms
                virtual tmp<volScalarField> RR(const label i) const = 0;


            // Chemistry solution

                //- Solve the reaction system for the given start time and
                //  timestep and return the characteristic time
                virtual scalar solve(const scalar t0, const scalar deltaT) = 0;

                //- Return the chemical time scale
                virtual tmp<volScalarField> tc() const = 0;

                //- Return source for enthalpy equation [kg/m/s3]
                virtual tmp<volScalarField> Sh() const = 0;

                //- Return the heat release, i.e. enthalpy/sec [m2/s3]
                virtual tmp<volScalarField> dQ() const = 0;
};


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

} // End namespace Foam

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

#include "basicChemistryModelI.H"

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

#endif

// ************************ vim: set sw=4 sts=4 et: ************************ //