Laakkonen.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) 2018-2025 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 "Laakkonen.H"
29 
30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
31 
32 namespace Foam
33 {
34 namespace populationBalance
35 {
36 namespace breakupModels
37 {
40 }
41 }
42 }
43 
44 
45 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
46 
48 (
49  const populationBalanceModel& popBal,
50  const dictionary& dict
51 )
52 :
54  C1_("C1", dimensionSet(0, -2.0/3.0, 0, 0, 0), dict, 2.25),
55  C2_("C2", dimless, dict, 0.04),
56  C3_("C3", dimless, dict, 0.01)
57 {}
58 
59 
60 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
61 
64 {
65  const dimensionedScalar& dSphi = popBal_.dSph(i);
66 
67  const volScalarField::Internal& rhoc = popBal_.continuousPhase().rho();
68  const volScalarField::Internal& rhod = popBal_.phases()[i].rho();
69 
70  tmp<volScalarField> tsigma(popBal_.sigmaWithContinuousPhase(i));
71  const volScalarField::Internal& sigma = tsigma();
72 
73  tmp<volScalarField> tepsilonc(popBal_.continuousTurbulence().epsilon());
74  const volScalarField::Internal& epsilonc = tepsilonc();
75  tmp<volScalarField> tmu(popBal_.continuousPhase().fluidThermo().mu());
76  const volScalarField::Internal muc = tmu();
77 
78  return
79  C1_
80  *cbrt(epsilonc)
81  *erfc
82  (
83  sqrt
84  (
85  C2_
86  *sigma
87  /(
88  rhoc*pow(dSphi, 5.0/3.0)
89  *pow(epsilonc, 2.0/3.0)
90  )
91  + C3_
92  *muc
93  /(
94  sqrt(rhoc*rhod)
95  *cbrt(epsilonc)
96  *pow(dSphi, 4.0/3.0)
97  )
98  )
99  );
100 }
101 
102 
103 // ************************************************************************* //
Macros for easy insertion into run-time selection tables.
Field with dimensions and associated with geometry type GeoMesh which is used to size the field and a...
A list of keywords followed by any number of values (e.g. words and numbers) or sub-dictionaries.
Definition: dictionary.H:162
Dimension set for the base types.
Definition: dimensionSet.H:125
Model for tracking the evolution of a dispersed phase size distribution due to coalescence (synonymou...
Base class for breakup models which provide a total breakup rate and a separate daughter size distrib...
Definition: breakupModel.H:56
Model of Laakkonen et al. (2007). The total breakup rate is calculated by.
Definition: Laakkonen.H:144
virtual tmp< volScalarField::Internal > rate(const label i) const
Return the breakup rate for a group.
Definition: Laakkonen.C:63
Laakkonen(const populationBalanceModel &popBal, const dictionary &dict)
Definition: Laakkonen.C:48
Base class for breakup models which provide a total breakup rate and a separate daughter size distrib...
A class for managing temporary objects.
Definition: tmp.H:55
const dimensionedScalar sigma
Stefan-Boltzmann constant: default SI units: [W/m^2/K^4].
const dimensionSet dimless
addToRunTimeSelectionTable(breakupModel, exponential, dictionary)
Namespace for OpenFOAM.
dimensionedScalar erfc(const dimensionedScalar &ds)
intWM_LABEL_SIZE_t label
A label is an int32_t or int64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: label.H:59
void cbrt(LagrangianPatchField< scalar > &f, const LagrangianPatchField< scalar > &f1)
tmp< DimensionedField< typename powProduct< Type, r >::type, GeoMesh, Field > > pow(const DimensionedField< Type, GeoMesh, PrimitiveField > &df, typename powProduct< Type, r >::type)
void sqrt(LagrangianPatchField< scalar > &f, const LagrangianPatchField< scalar > &f1)
dictionary dict