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178 lines
4.6 KiB
C++
178 lines
4.6 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2008-2009 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Class
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Foam::particleForces
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Description
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Particle forces
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SourceFiles
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particleForces.C
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\*---------------------------------------------------------------------------*/
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#ifndef particleForces_H
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#define particleForces_H
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#include "dictionary.H"
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#include "Switch.H"
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#include "vector.H"
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#include "volFieldsFwd.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// Forward class declarations
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class fvMesh;
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/*---------------------------------------------------------------------------*\
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Class particleForces Declaration
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\*---------------------------------------------------------------------------*/
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class particleForces
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{
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// Private data
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//- Reference to the mesh database
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const fvMesh& mesh_;
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//- The particleForces dictionary
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const dictionary& dict_;
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//- Gravity
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const vector g_;
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//- Velocity gradient field
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const volTensorField* gradUPtr_;
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// Forces to include in particle motion evaluation
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//- Gravity
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Switch gravity_;
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//- Virtual mass
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Switch virtualMass_;
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//- Virtual mass force coefficient
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scalar Cvm_;
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//- Pressure gradient
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Switch pressureGradient_;
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// Additional info
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//- Name of velucity field - default = "U"
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const word UName_;
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public:
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// Constructors
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//- Construct from mesh, dictionary and gravity
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particleForces
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(
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const fvMesh& mesh,
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const dictionary& dict,
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const vector& g
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);
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//- Construct copy
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particleForces(const particleForces& f);
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//- Destructor
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~particleForces();
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// Member Functions
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// Access
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//- Return the particleForces dictionary
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const dictionary& dict() const;
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//- Return the gravity vector
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const vector& g() const;
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//- Return gravity force activate switch
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Switch gravity() const;
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//- Return virtual mass force activate switch
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Switch virtualMass() const;
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//- Return virtual mass force coefficient
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Switch Cvm() const;
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//- Return pressure gradient force activate switch
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Switch pressureGradient() const;
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//- Return name of velocity field
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const word& UName() const;
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// Evaluation
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//- Cache carrier fields
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void cacheFields(const bool store);
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//- Calculate action/reaction forces between carrier and particles
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vector calcCoupled
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(
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const label cellI,
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const scalar dt,
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const scalar rhoc,
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const scalar rho,
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const vector& Uc,
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const vector& U
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) const;
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//- Calculate external forces applied to the particles
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vector calcNonCoupled
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(
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const label cellI,
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const scalar dt,
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const scalar rhoc,
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const scalar rho,
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const vector& Uc,
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const vector& U
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) const;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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