fanDirectionLagrangianVectorFieldSource.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2025-2026 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::fanDirectionLagrangianVectorFieldSource
 
Description
    Mix-in for source conditions that provides a random injection direction
    between two fan angles
 
SourceFiles
    fanDirectionLagrangianVectorFieldSource.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef fanDirectionLagrangianVectorFieldSource_H
#define fanDirectionLagrangianVectorFieldSource_H
 
#include "LagrangianInjection.H"
#include "Function1.H"
#include "restartableRandomGenerator.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
class LagrangianFieldSourceBase;
 
/*---------------------------------------------------------------------------*\
            Class fanDirectionLagrangianVectorFieldSource Declaration
\*---------------------------------------------------------------------------*/
 
class fanDirectionLagrangianVectorFieldSource
{
private:
 
    // Private Data
 
        //- Reference to the field source
        const LagrangianFieldSourceBase& field_;
 
        //- Direction normal to the plane of the fan
        const autoPtr<Function1<vector>> normal_;
 
        //- Inner half-fan angle
        const autoPtr<Function1<scalar>> thetaInner_;
 
        //- Outer half-fan angle
        const autoPtr<Function1<scalar>> thetaOuter_;
 
        //- A random number generator
        mutable restartableRandomGenerator rndGen_;
 
        //- The time index
        mutable label timeIndex_;
 
 
public:
 
    // Constructors
 
        //- Construct from a dictionary
        fanDirectionLagrangianVectorFieldSource
        (
            const LagrangianFieldSourceBase&,
            const dictionary& dict
        );
 
        //- Copy constructor
        fanDirectionLagrangianVectorFieldSource
        (
            const fanDirectionLagrangianVectorFieldSource&,
            const LagrangianFieldSourceBase&
        );
 
 
    //- Destructor
    ~fanDirectionLagrangianVectorFieldSource();
 
 
    // Member Functions
 
        //- Return the value for an instantaneous injection
        tmp<LagrangianSubVectorField> direction
        (
            const LagrangianSubVectorField& axis
        ) const;
 
        //- Write
        void write(Ostream&) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //