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Creation of OpenFOAM-dev repository 15/04/2008

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OpenFOAM-admin
2008-04-15 18:56:58 +01:00
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applications/utilities/postProcessing/miscellaneous/engineCompRatio/engineCompRatio.C Normal file
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2007 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 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
engineCompRatioFoam
Description
Calculate the geometric compression ratio.
Note that if you have valves and/or extra volumes it will not work,
since it calculates the volume at BDC and TCD.
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
#include "engineTime.H"
#include "engineMesh.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
# include "setRootCase.H"
# include "createEngineTime.H"
# include "createEngineMesh.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
scalar eps = 1.0e-10;
scalar fullCycle = 360.0;
scalar ca0 = -180.0;
scalar ca1 = 0.0;
scalar ca = runTime.theta();
while (ca > ca0)
{
ca0 += fullCycle;
ca1 += fullCycle;
}
if (mag(ca - ca0) > eps)
{
while(mag(ca - ca0) > eps)
{
ca = runTime.theta();
scalar t0 = runTime.userTimeToTime(ca0 - ca);
runTime.setDeltaT(t0);
runTime++;
Info << "CA = " << ca << endl;
mesh.move();
}
}
scalar Vmax = sum(mesh.V().field());
while(mag(ca-ca1) > eps)
{
ca = runTime.theta();
scalar t1 = runTime.userTimeToTime(ca1-ca);
runTime.setDeltaT(t1);
runTime++;
Info << "CA = " << runTime.theta() << endl;
mesh.move();
}
scalar Vmin = sum(mesh.V().field());
Info << "\nVmax = " << Vmax;
Info << ", Vmin = " << Vmin << endl;
Info << "Vmax/Vmin = " << Vmax/Vmin << endl;
Info << "\n end\n";
return(0);
}
// ************************************************************************* //