1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2004-2010 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation, either version 3 of the License, or
14 (at your option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
28 Calculate the geometric compression ratio.
29 Note that if you have valves and/or extra volumes it will not work,
30 since it calculates the volume at BDC and TCD.
32 \*---------------------------------------------------------------------------*/
35 #include "engineTime.H"
36 #include "engineMesh.H"
38 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
40 int main(int argc, char *argv[])
42 #include "setRootCase.H"
43 #include "createEngineTime.H"
44 #include "createEngineMesh.H"
46 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
49 scalar fullCycle = 360.0;
54 while (runTime.theta() > ca0)
60 while (mag(runTime.theta() - ca0) > eps)
62 scalar t0 = runTime.userTimeToTime(ca0 - runTime.theta());
63 runTime.setDeltaT(t0);
65 Info<< "CA = " << runTime.theta() << endl;
69 scalar Vmax = sum(mesh.V().field());
71 while (mag(runTime.theta()-ca1) > eps)
73 scalar t1 = runTime.userTimeToTime(ca1-runTime.theta());
74 runTime.setDeltaT(t1);
76 Info<< "CA = " << runTime.theta() << endl;
80 scalar Vmin = sum(mesh.V().field());
82 Info<< "\nVmax = " << Vmax;
83 Info<< ", Vmin = " << Vmin << endl;
84 Info<< "Vmax/Vmin = " << Vmax/Vmin << endl;
85 Info<< "\nEnd\n" << endl;
91 // ************************************************************************* //