1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation, either version 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. 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[])
43 # include "setRootCase.H"
44 # include "createEngineTime.H"
45 # include "createEngineMesh.H"
47 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
50 scalar fullCycle = 360.0;
55 while (runTime.theta() > ca0)
61 while (mag(runTime.theta() - ca0) > eps)
63 scalar t0 = runTime.userTimeToTime(ca0 - runTime.theta());
64 runTime.setDeltaT(t0);
66 Info<< "CA = " << runTime.theta() << endl;
70 scalar Vmax = sum(mesh.V().field());
72 while (mag(runTime.theta()-ca1) > eps)
74 scalar t1 = runTime.userTimeToTime(ca1-runTime.theta());
75 runTime.setDeltaT(t1);
77 Info<< "CA = " << runTime.theta() << endl;
81 scalar Vmin = sum(mesh.V().field());
83 Info<< "\nVmax = " << Vmax;
84 Info<< ", Vmin = " << Vmin << endl;
85 Info<< "Vmax/Vmin = " << Vmax/Vmin << endl;
86 Info<< "\nEnd" << endl;
92 // ************************************************************************* //