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foam-extend4.1-coherent-io/applications/utilities/postProcessing/miscellaneous/ptot/ptot.C

152 lines
4.1 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Application
ptot
Description
For each time: calculate the total pressure.
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
# include "addTimeOptions.H"
# include "setRootCase.H"
# include "createTime.H"
// Get times list
instantList Times = runTime.times();
// set startTime and endTime depending on -time and -latestTime options
# include "checkTimeOptions.H"
runTime.setTime(Times[startTime], startTime);
# include "createMesh.H"
for (label i=startTime; i<endTime; i++)
{
runTime.setTime(Times[i], i);
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);
}
// ************************************************************************* //