/
StCourantNo.H
54 lines (42 loc) · 1.82 KB
/
StCourantNo.H
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
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ 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/>.
Global
CourantNo
Description
Calculates and outputs the mean and maximum Courant Numbers.
\*---------------------------------------------------------------------------*/
{
scalar meanStCoNum = 0.0;
if (mesh.nInternalFaces())
{
surfaceScalarField SfUfbyDelta =
mesh.surfaceInterpolation::deltaCoeffs()
*mag(phiSt/fvc::interpolate(rho));
StCoNum =
max(SfUfbyDelta/mesh.magSf()).value()
*runTime.deltaT().value();
meanStCoNum =
(sum(SfUfbyDelta)/sum(mesh.magSf())).value()
*runTime.deltaT().value();
}
Info<< "St courant Number mean: " << meanStCoNum
<< " max: " << StCoNum << endl;
}
// ************************************************************************* //