/usr/include/freefoam/molecule/temperatureAndPressure.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2008-2010 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
temperatureAndPressure.H
Description
Accumulates values for temperature and pressure measurement, and
calculates and outputs the average values at output times.
Requires temperatureAndPressureVariables.H to be declared before the
timeloop.
\*---------------------------------------------------------------------------*/
accumulatedTotalLinearMomentum += singleStepTotalLinearMomentum;
accumulatedTotalMass += singleStepTotalMass;
accumulatedTotalLinearKE += singleStepTotalLinearKE;
accumulatedTotalAngularKE += singleStepTotalAngularKE;
accumulatedTotalPE += singleStepTotalPE;
accumulatedTotalrDotfSum += singleStepTotalrDotf;
accumulatedNMols += singleStepNMols;
accumulatedDOFs += singleStepDOFs;
if (runTime.outputTime())
{
if (accumulatedNMols)
{
Info << "calculating averages" << endl;
averageTemperature =
(
2.0/(moleculeCloud::kb * accumulatedDOFs)
*
(
accumulatedTotalLinearKE + accumulatedTotalAngularKE
-
0.5*magSqr(accumulatedTotalLinearMomentum)/accumulatedTotalMass
)
);
averagePressure =
(
(
(accumulatedNMols/nAveragingSteps)
*
moleculeCloud::kb * averageTemperature
+
accumulatedTotalrDotfSum/(6.0 * nAveragingSteps)
)
/
meshVolume
);
Info << "----------------------------------------" << nl
<< "Averaged properties" << nl
<< "Average |velocity| = "
<< mag(accumulatedTotalLinearMomentum)/accumulatedTotalMass << nl
<< "Average temperature = " << averageTemperature << nl
<< "Average pressure = " << averagePressure << nl
<< "----------------------------------------" << endl;
}
else
{
Info<< "Not averaging temperature and pressure: "
<< "no molecules in system" << endl;
}
accumulatedTotalLinearMomentum = vector::zero;
accumulatedTotalMass = 0.0;
accumulatedTotalLinearKE = 0.0;
accumulatedTotalAngularKE = 0.0;
accumulatedTotalPE = 0.0;
accumulatedTotalrDotfSum = 0.0;
accumulatedNMols = 0;
accumulatedDOFs = 0;
}
// ************************ vim: set sw=4 sts=4 et: ************************ //
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