applications/solvers/combustion/dieselEngineFoam/dieselEngineFoam.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2004-2011 OpenCFD Ltd.
   6      \\/     M anipulation  |
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  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.
  15
  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
  19     for more details.
  20
  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/>.
  23
  24 Application
  25     dieselEngineFoam
  26
  27 Description
  28     Solver for diesel engine spray and combustion.
  29
  30 \*---------------------------------------------------------------------------*/
  31
  32 #include "fvCFD.H"
  33 #include "engineTime.H"
  34 #include "engineMesh.H"
  35 #include "hCombustionThermo.H"
  36 #include "turbulenceModel.H"
  37 #include "spray.H"
  38 #include "psiChemistryModel.H"
  39 #include "chemistrySolver.H"
  40 #include "multivariateScheme.H"
  41 #include "Switch.H"
  42 #include "OFstream.H"
  43 #include "volPointInterpolation.H"
  44 #include "thermoPhysicsTypes.H"
  45 #include "mathematicalConstants.H"
  46 #include "pimpleControl.H"
  47
  48 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  49
  50 int main(int argc, char *argv[])
  51 {
  52     #include "setRootCase.H"
  53     #include "createEngineTime.H"
  54     #include "createEngineMesh.H"
  55     #include "createFields.H"
  56     #include "readGravitationalAcceleration.H"
  57     #include "readCombustionProperties.H"
  58     #include "createSpray.H"
  59     #include "initContinuityErrs.H"
  60     #include "readEngineTimeControls.H"
  61     #include "compressibleCourantNo.H"
  62     #include "setInitialDeltaT.H"
  63     #include "startSummary.H"
  64
  65     pimpleControl pimple(mesh);
  66
  67     // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  68
  69     Info<< "\nStarting time loop\n" << endl;
  70
  71     while (runTime.run())
  72     {
  73         #include "readEngineTimeControls.H"
  74         #include "compressibleCourantNo.H"
  75         #include "setDeltaT.H"
  76
  77         runTime++;
  78
  79         Info<< "Crank angle = " << runTime.theta() << " CA-deg" << endl;
  80
  81         mesh.move();
  82
  83         dieselSpray.evolve();
  84
  85         Info<< "Solving chemistry" << endl;
  86
  87         chemistry.solve
  88         (
  89             runTime.value() - runTime.deltaTValue(),
  90             runTime.deltaTValue()
  91         );
  92
  93         // turbulent time scale
  94         {
  95             volScalarField tk
  96             (
  97                 Cmix*sqrt(turbulence->muEff()/rho/turbulence->epsilon())
  98             );
  99             volScalarField tc(chemistry.tc());
 100
 101             // Chalmers PaSR model
 102             kappa = (runTime.deltaT() + tc)/(runTime.deltaT() + tc + tk);
 103         }
 104
 105         chemistrySh = kappa*chemistry.Sh()();
 106
 107
 108         #include "rhoEqn.H"
 109
 110         for (pimple.start(); pimple.loop(); pimple++)
 111         {
 112             #include "UEqn.H"
 113             #include "YEqn.H"
 114             #include "hsEqn.H"
 115
 116             // --- PISO loop
 117             for (int corr=1; corr<=pimple.nCorr(); corr++)
 118             {
 119                 #include "pEqn.H"
 120             }
 121
 122             if (pimple.turbCorr())
 123             {
 124                 turbulence->correct();
 125             }
 126         }
 127
 128         #include "logSummary.H"
 129         #include "spraySummary.H"
 130
 131         rho = thermo.rho();
 132
 133         if (runTime.write())
 134         {
 135             chemistry.dQ()().write();
 136         }
 137
 138         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 139             << "  ClockTime = " << runTime.elapsedClockTime() << " s"
 140             << nl << endl;
 141     }
 142
 143     Info<< "End\n" << endl;
 144
 145     return 0;
 146 }
 147
 148
 149 // ************************************************************************* //