CourantNo.H
Go to the documentation of this file.
1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | Copyright (C) 2011-2016 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 Global
25  CourantNo
26 
27 Description
28  Calculates and outputs the mean and maximum Courant Numbers.
29 
30 \*---------------------------------------------------------------------------*/
31 
32 scalar CoNum = 0.0;
33 scalar meanCoNum = 0.0;
34 
35 if (mesh.nInternalFaces())
36 {
37  scalarField sumPhi
38  (
39  fvc::surfaceSum(mag(phi))().primitiveField()
40  );
41 
43  {
44  sumPhi = max
45  (
46  sumPhi,
47  fvc::surfaceSum(mag(phases[phasei].phi()))().primitiveField()
48  );
49  }
50 
51  CoNum = 0.5*gMax(sumPhi/mesh.V().field())*runTime.deltaTValue();
52 
53  meanCoNum =
54  0.5*(gSum(sumPhi)/gSum(mesh.V().field()))*runTime.deltaTValue();
55 }
56 
57 Info<< "Courant Number mean: " << meanCoNum
58  << " max: " << CoNum << endl;
59 
60 // ************************************************************************* //
surfaceScalarField & phi
#define forAll(list, i)
Loop across all elements in list.
Definition: UList.H:428
label phasei
Definition: pEqn.H:27
dimensioned< Type > max(const dimensioned< Type > &, const dimensioned< Type > &)
scalar meanCoNum
Definition: CourantNo.H:30
multiphaseSystem::phaseModelList & phases
Definition: createFields.H:12
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition: Ostream.H:253
dynamicFvMesh & mesh
Type gSum(const FieldField< Field, Type > &f)
volScalarField scalarField(fieldObject, mesh)
Type gMax(const FieldField< Field, Type > &f)
messageStream Info
dimensioned< scalar > mag(const dimensioned< Type > &)
tmp< GeometricField< Type, fvPatchField, volMesh > > surfaceSum(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
scalar CoNum
Definition: CourantNo.H:29