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src
lagrangian
intermediate
particleForces
particleForces.H
Go to the documentation of this file.
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/*---------------------------------------------------------------------------*\
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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) 2008-2010 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
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the Free Software Foundation, either version 3 of the License, or
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(at your 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, see <http://www.gnu.org/licenses/>.
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Class
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Foam::particleForces
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Description
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Provides a mechanism to calculate particle forces
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Note: forces are force per unit mass (accelerations)
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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 <
OpenFOAM/dictionary.H
>
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#include <
OpenFOAM/Switch.H
>
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#include <
OpenFOAM/vector.H
>
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#include <
finiteVolume/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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// ************************ vim: set sw=4 sts=4 et: ************************ //