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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2025 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::Lagrangian::volumeInjection
Description
Volume injection model. This injects particles instantaneously within the
volume of a set of cells. Particles are positioned randomly.
Usage
\table
Property | Description | Required? | Default
cellZone | The name of the cell zone | yes |
number | The number to inject | if numberDensity is \
not specified |
numberDensity | The number to inject per unit \
volume | if number is not \
specified |
time | The time at which to inject | no | 0
\endtable
Example specification:
\verbatim
<LagrangianModelName>
{
type volumeInjection;
cellZone bed;
numberDensity 2 [mm^-3];
time 0.01;
}
\endverbatim
See also
Foam::generatedCellZone
SourceFiles
volumeInjection.C
\*---------------------------------------------------------------------------*/
#ifndef volumeInjection_H
#define volumeInjection_H
#include "LagrangianInjection.H"
#include "generatedCellZone.H"
#include "restartableRandomGenerator.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace Lagrangian
{
/*---------------------------------------------------------------------------*\
Class volumeInjection Declaration
\*---------------------------------------------------------------------------*/
class volumeInjection
:
public LagrangianInjection
{
private:
// Private Data
//- The cellZone into which to inject
mutable generatedCellZone zone_;
//- Do we have the number (true) or the number density (false)
bool haveNumber_;
//- The number to inject or the number density with which to inject
scalar numberOrNumberDensity_;
//- The time at which to inject
scalar time_;
//- A global random number generator
mutable restartableRandomGenerator globalRndGen_;
//- A local random number generator
mutable restartableRandomGenerator localRndGen_;
//- The time index
mutable label timeIndex_;
// Private Member Functions
//- Non-virtual read
void readCoeffs(const dictionary& modelDict);
public:
//- Runtime type information
TypeName("volumeInjection");
// Constructors
//- Construct from components
volumeInjection
(
const word& name,
const LagrangianMesh& mesh,
const dictionary& modelDict,
const dictionary& stateDict
);
// Member Functions
//- Correct the LagrangianModel
virtual void correct();
//- Create new elements in the Lagrangian mesh
LagrangianSubMesh modify
(
LagrangianMesh& mesh,
const LagrangianSubMesh&
) const;
// Mesh changes
//- Update topology using the given map
virtual void topoChange(const polyTopoChangeMap&);
//- Update from another mesh using the given map
virtual void mapMesh(const polyMeshMap&);
//- Redistribute or update using the given distribution map
virtual void distribute(const polyDistributionMap&);
// IO
//- Read dictionary
virtual bool read(const dictionary& modelDict);
//- Write state
virtual void writeState(Ostream& os) const;
//- Write state
virtual void writeProcessorState(Ostream& os) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Lagrangian
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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