general.C
Go to the documentation of this file.
1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration | Website: https://openfoam.org
5  \\ / A nd | Copyright (C) 2014-2022 OpenFOAM Foundation
6  \\/ M anipulation |
7 -------------------------------------------------------------------------------
8 License
9  This file is part of OpenFOAM.
10 
11  OpenFOAM is free software: you can redistribute it and/or modify it
12  under the terms of the GNU General Public License as published by
13  the Free Software Foundation, either version 3 of the License, or
14  (at your option) any later version.
15 
16  OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19  for more details.
20 
21  You should have received a copy of the GNU General Public License
22  along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
23 
24 \*---------------------------------------------------------------------------*/
25 
26 #include "general.H"
28 
29 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
30 
31 namespace Foam
32 {
33 namespace relativeVelocityModels
34 {
35  defineTypeNameAndDebug(general, 0);
36  addToRunTimeSelectionTable(relativeVelocityModel, general, dictionary);
37 }
38 }
39 
40 
41 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
42 
44 (
45  const dictionary& dict,
46  const incompressibleTwoPhaseInteractingMixture& mixture,
48 )
49 :
50  relativeVelocityModel(dict, mixture, g),
51  a_("a", dimless, dict),
52  a1_("a1", dimless, dict),
53  Vc_("Vc", dimTime, dict),
54  residualAlpha_("residualAlpha", dimless, dict)
55 {}
56 
57 
58 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
59 
61 {}
62 
63 
64 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
65 
67 {
68  const volScalarField& alphad = mixture_.alphad();
69 
70  Udm_ =
71  (mixture_.rhoc()/mixture_.rho())*Vc_*acceleration()
72  *(
73  exp(-a_*max(alphad - residualAlpha_, scalar(0)))
74  - exp(-a1_*max(alphad - residualAlpha_, scalar(0)))
75  );
76 }
77 
78 
79 // ************************************************************************* //
dictionary dict
layerAndWeight max(const layerAndWeight &a, const layerAndWeight &b)
UniformDimensionedField< vector > uniformDimensionedVectorField
const dimensionSet dimless
Macros for easy insertion into run-time selection tables.
GeometricField< scalar, fvPatchField, volMesh > volScalarField
Definition: volFieldsFwd.H:58
const dimensionSet dimTime
dimensionedScalar exp(const dimensionedScalar &ds)
virtual void correct()
Update the diffusion velocity.
general(const dictionary &dict, const incompressibleTwoPhaseInteractingMixture &mixture, const uniformDimensionedVectorField &g)
Construct from components.
addToRunTimeSelectionTable(ensightPart, ensightPartCells, istream)
defineTypeNameAndDebug(combustionModel, 0)
const dimensionedVector & g
Namespace for OpenFOAM.