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foam-extend4.1-coherent-io/applications/utilities/postProcessing/miscellaneous/ptot/ptot.C
2018-06-01 18:11:37 +02:00

144 lines
4 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration | Version: 4.1
\\ / A nd | Web: http://www.foam-extend.org
\\/ M anipulation | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
This file is part of foam-extend.
foam-extend 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.
foam-extend 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
Application
ptot
Description
For each time: calculate the total pressure.
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
timeSelector::addOptions();
# include "setRootCase.H"
# include "createTime.H"
instantList timeDirs = timeSelector::select0(runTime, args);
# include "createMesh.H"
forAll(timeDirs, timeI)
{
runTime.setTime(timeDirs[timeI], timeI);
Info<< "Time = " << runTime.timeName() << endl;
IOobject pheader
(
"p",
runTime.timeName(),
mesh,
IOobject::MUST_READ
);
IOobject Uheader
(
"U",
runTime.timeName(),
mesh,
IOobject::MUST_READ
);
// Check p and U exist
if (pheader.headerOk() && Uheader.headerOk())
{
mesh.readUpdate();
Info<< " Reading p" << endl;
volScalarField p(pheader, mesh);
Info<< " Reading U" << endl;
volVectorField U(Uheader, mesh);
Info<< " Calculating ptot" << endl;
if (p.dimensions() == dimensionSet(0, 2, -2, 0, 0))
{
volScalarField ptot
(
IOobject
(
"ptot",
runTime.timeName(),
mesh,
IOobject::NO_READ
),
p + 0.5*magSqr(U)
);
ptot.write();
}
else
{
IOobject rhoheader
(
"rho",
runTime.timeName(),
mesh,
IOobject::MUST_READ
);
// Check rho exists
if (rhoheader.headerOk())
{
Info<< " Reading rho" << endl;
volScalarField rho(rhoheader, mesh);
volScalarField ptot
(
IOobject
(
"ptot",
runTime.timeName(),
mesh,
IOobject::NO_READ
),
p + 0.5*rho*magSqr(U)
);
ptot.write();
}
else
{
Info<< " No rho" << endl;
}
}
}
else
{
Info<< " No p or U" << endl;
}
Info<< endl;
}
return 0;
}
// ************************************************************************* //