openfoam/applications/utilities/postProcessing/velocityField/enstrophy/enstrophy.C

89 lines
2.5 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 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/>.
Application
enstrophy
Description
Calculates and writes the enstrophy of the velocity field U.
The -noWrite option just outputs the max/min values without writing the
field.
\*---------------------------------------------------------------------------*/
#include "calc.H"
#include "fvc.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
void Foam::calc(const argList& args, const Time& runTime, const fvMesh& mesh)
{
bool writeResults = !args.optionFound("noWrite");
IOobject Uheader
(
"U",
runTime.timeName(),
mesh,
IOobject::MUST_READ
);
if (Uheader.headerOk())
{
Info<< " Reading U" << endl;
volVectorField U(Uheader, mesh);
Info<< " Calculating enstrophy" << endl;
volScalarField enstrophy
(
IOobject
(
"enstrophy",
runTime.timeName(),
mesh,
IOobject::NO_READ
),
0.5*magSqr(fvc::curl(U))
);
Info<< "enstrophy(U) max/min : "
<< max(enstrophy).value() << " "
<< min(enstrophy).value() << endl;
if (writeResults)
{
enstrophy.write();
}
}
else
{
Info<< " No U" << endl;
}
Info<< "\nEnd\n" << endl;
}
// ************************************************************************* //