thermophysicalFunction.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011 OpenFOAM Foundation
    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.
 
    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::thermophysicalFunction
 
Description
    Abstract base class for thermo-physical functions
 
\*---------------------------------------------------------------------------*/
 
#ifndef thermophysicalFunction_H
#define thermophysicalFunction_H
 
#include "scalar.H"
#include "IOstreams.H"
#include "typeInfo.H"
#include "autoPtr.H"
#include "runTimeSelectionTables.H"
#include "dictionary.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                    Class thermophysicalFunction Declaration
\*---------------------------------------------------------------------------*/
 
class thermophysicalFunction
{
 
public:
 
    //- Runtime type information
    TypeName("thermophysicalFunction");
 
 
    // Declare run-time constructor selection tables
 
        declareRunTimeSelectionTable
        (
            autoPtr,
            thermophysicalFunction,
            Istream,
            (Istream& is),
            (is)
        );
 
        declareRunTimeSelectionTable
        (
            autoPtr,
            thermophysicalFunction,
            dictionary,
            (const dictionary& dict),
            (dict)
        );
 
 
    // Constructors
 
        //- Construct null
        thermophysicalFunction()
        {}
 
        //- Return pointer to new thermophysicalFunction created from input
        static autoPtr<thermophysicalFunction> New(Istream& is);
 
        //- Return pointer to new thermophysicalFunction created from dict
        static autoPtr<thermophysicalFunction> New(const dictionary& dict);
 
 
    //- Destructor
    virtual ~thermophysicalFunction() = default;
 
 
    // Member Functions
 
        //- Evaluate the function and return the result
        virtual scalar f(scalar p, scalar T) const = 0;
 
        //- Write the function coefficients
        virtual void writeData(Ostream& os) const = 0;
 
 
    // Ostream Operator
 
        friend Ostream& operator<<(Ostream& os, const thermophysicalFunction& f)
        {
            f.writeData(os);
            return os;
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //