/
LiftForce.C
150 lines (116 loc) · 3.97 KB
/
LiftForce.C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2012-2017 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/>.
\*---------------------------------------------------------------------------*/
#include "LiftForce.H"
#include "fvcCurl.H"
// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
template<class CloudType>
Foam::scalar Foam::LiftForce<CloudType>::LiftForce::Cl
(
const typename CloudType::parcelType& p,
const vector& curlUc,
const scalar Re,
const scalar muc
) const
{
// dummy
return 0.0;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
template<class CloudType>
Foam::LiftForce<CloudType>::LiftForce
(
CloudType& owner,
const fvMesh& mesh,
const dictionary& dict,
const word& forceType
)
:
ParticleForce<CloudType>(owner, mesh, dict, forceType, true),
UName_(this->coeffs().template lookupOrDefault<word>("U", "U")),
curlUcInterpPtr_(nullptr)
{}
template<class CloudType>
Foam::LiftForce<CloudType>::LiftForce(const LiftForce& lf)
:
ParticleForce<CloudType>(lf),
UName_(lf.UName_),
curlUcInterpPtr_(nullptr)
{}
// * * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * //
template<class CloudType>
Foam::LiftForce<CloudType>::~LiftForce()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class CloudType>
void Foam::LiftForce<CloudType>::cacheFields(const bool store)
{
static word fName("curlUcDt");
bool fieldExists = this->mesh().template foundObject<volVectorField>(fName);
if (store)
{
if (!fieldExists)
{
const volVectorField& Uc = this->mesh().template
lookupObject<volVectorField>(UName_);
volVectorField* curlUcPtr =
new volVectorField(fName, fvc::curl(Uc));
curlUcPtr->store();
}
const volVectorField& curlUc = this->mesh().template
lookupObject<volVectorField>(fName);
curlUcInterpPtr_.reset
(
interpolation<vector>::New
(
this->owner().solution().interpolationSchemes(),
curlUc
).ptr()
);
}
else
{
curlUcInterpPtr_.clear();
if (fieldExists)
{
const volVectorField& curlUc = this->mesh().template
lookupObject<volVectorField>(fName);
const_cast<volVectorField&>(curlUc).checkOut();
}
}
}
template<class CloudType>
Foam::forceSuSp Foam::LiftForce<CloudType>::calcCoupled
(
const typename CloudType::parcelType& p,
const scalar dt,
const scalar mass,
const scalar Re,
const scalar muc
) const
{
forceSuSp value(Zero, 0.0);
vector curlUc =
curlUcInterp().interpolate(p.coordinates(), p.currentTetIndices());
scalar Cl = this->Cl(p, curlUc, Re, muc);
value.Su() = mass/p.rho()*p.rhoc()*Cl*((p.Uc() - p.U())^curlUc);
return value;
}
// ************************************************************************* //