turbGen.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2011 OpenFOAM Foundation
-------------------------------------------------------------------------------
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::turbGen
 
Description
    Generate a turbulent velocity field conforming to a given
    energy spectrum and being divergence free.
 
SourceFiles
    turbGen.C
    turbGenIO.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef turbGen_H
#define turbGen_H
 
#include "Random.H"
#include "primitiveFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
class Kmesh;
 
/*---------------------------------------------------------------------------*\
                           Class turbGen Declaration
\*---------------------------------------------------------------------------*/
 
class turbGen
{
    // Private data
 
        const Kmesh& K;
        const scalar Ea;
        const scalar k0;
        Random RanGen;
 
 
public:
 
    // Constructors
 
        //- Construct from components
        turbGen(const Kmesh& k, const scalar EA, const scalar K0);
 
 
    // Member Functions
 
        //- Generate and return a velocity field
        vectorField U();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //