pyrolysisChemistryModel.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2013-2015 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    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
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::pyrolysisChemistryModel
 
Description
    Pyrolysis chemistry model. It includes gas phase in the solid
    reaction.
 
SourceFiles
    pyrolysisChemistryModelI.H
    pyrolysisChemistryModel.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef pyrolysisChemistryModel_H
#define pyrolysisChemistryModel_H
 
#include "volFieldsFwd.H"
#include "DimensionedField.H"
#include "solidChemistryModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of classes
class fvMesh;
 
/*---------------------------------------------------------------------------*\
                   Class pyrolysisChemistryModel Declaration
\*---------------------------------------------------------------------------*/
 
template<class CompType, class SolidThermo, class GasThermo>
class pyrolysisChemistryModel
:
    public solidChemistryModel<CompType, SolidThermo>
{
    // Private Member Functions
 
        //- Disallow default bitwise assignment
        void operator=(const pyrolysisChemistryModel&);
 
 
protected:
 
        //- List of gas species present in reaction system
        speciesTable pyrolisisGases_;
 
        //- Thermodynamic data of gases
        PtrList<GasThermo> gasThermo_;
 
         //- Number of gas species
        label nGases_;
 
        //- Number of components being solved by ODE
        label nSpecie_;
 
        //- List of reaction rate per gas [kg/m3/s]
        PtrList<DimensionedField<scalar, volMesh> > RRg_;
 
 
    // Protected Member Functions
 
        //- Write access to source terms for gases
        inline PtrList<DimensionedField<scalar, volMesh> >& RRg();
 
 
private:
 
        //- List of accumulative solid concentrations
        mutable PtrList<volScalarField> Ys0_;
 
        //- Cell counter
        label cellCounter_;
 
 
public:
 
    //- Runtime type information
    TypeName("pyrolysis");
 
 
    // Constructors
 
        //- Construct from mesh and phase name
        pyrolysisChemistryModel(const fvMesh& mesh, const word& phaseName);
 
 
    //- Destructor
    virtual ~pyrolysisChemistryModel();
 
 
    // Member Functions
 
        //- Thermodynamic data of gases
        inline const PtrList<GasThermo>& gasThermo() const;
 
        //- Gases table
        inline const speciesTable& gasTable() const;
 
        //- The number of solids
        inline label nSpecie() const;
 
        //- The number of solids
        inline label nGases() const;
 
 
        //- dc/dt = omega, rate of change in concentration, for each species
        virtual scalarField omega
        (
            const scalarField& c,
            const scalar T,
            const scalar p,
            const bool updateC0 = false
        ) const;
 
        //- Return the reaction rate for reaction r
        // NOTE: Currently does not calculate reference specie and
        // characteristic times (pf, cf,l Ref, etc.)
        virtual scalar omega
        (
            const Reaction<SolidThermo>& r,
            const scalarField& c,
            const scalar T,
            const scalar p,
            scalar& pf,
            scalar& cf,
            label& lRef,
            scalar& pr,
            scalar& cr,
            label& rRef
        ) const;
 
 
        //- Return the reaction rate for iReaction
        // NOTE: Currently does not calculate reference specie and
        // characteristic times (pf, cf,l Ref, etc.)
        virtual scalar omegaI
        (
            label iReaction,
            const scalarField& c,
            const scalar T,
            const scalar p,
            scalar& pf,
            scalar& cf,
            label& lRef,
            scalar& pr,
            scalar& cr,
            label& rRef
        ) const;
 
 
        //- Calculates the reaction rates
        virtual void calculate();
 
 
        // Chemistry model functions
 
            //- Return const access to the chemical source terms for gases
            inline const DimensionedField<scalar, volMesh>& RRg
            (
                const label i
            ) const;
 
            //- Return total gas source term
            inline tmp<DimensionedField<scalar, volMesh> > RRg() const;
 
            //- Return sensible enthalpy for gas i [J/Kg]
            virtual tmp<volScalarField> gasHs
            (
                const volScalarField& p,
                const volScalarField& T,
                const label i
            ) const;
 
            //- Solve the reaction system for the given time step
            //  and return the characteristic time
            virtual scalar solve(const scalar deltaT);
 
 
        // ODE functions (overriding abstract functions in ODE.H)
 
            //- Number of ODE's to solve
            virtual label nEqns() const;
 
            virtual void derivatives
            (
                const scalar t,
                const scalarField& c,
                scalarField& dcdt
            ) const;
 
            virtual void jacobian
            (
                const scalar t,
                const scalarField& c,
                scalarField& dcdt,
                scalarSquareMatrix& dfdc
            ) const;
 
            virtual void solve
            (
                scalarField &c,
                scalar& T,
                scalar& p,
                scalar& deltaT,
                scalar& subDeltaT
            ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#   include "pyrolysisChemistryModelI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
#   include "pyrolysisChemistryModel.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //