applications/solvers/combustion/dieselEngineFoam/dieselEngineFoam.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright held by original author
   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 the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     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, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 Application
  26     dieselEngineFoam
  27
  28 Description
  29     Solver for diesel engine spray and combustion.
  30
  31 \*---------------------------------------------------------------------------*/
  32
  33 #include "fvCFD.H"
  34 #include "engineTime.H"
  35 #include "engineMesh.H"
  36 #include "hCombustionThermo.H"
  37 #include "turbulenceModel.H"
  38 #include "spray.H"
  39 #include "psiChemistryModel.H"
  40 #include "chemistrySolver.H"
  41 #include "multivariateScheme.H"
  42 #include "Switch.H"
  43 #include "OFstream.H"
  44 #include "volPointInterpolation.H"
  45 #include "thermoPhysicsTypes.H"
  46
  47 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  48
  49 int main(int argc, char *argv[])
  50 {
  51 #   include "setRootCase.H"
  52 #   include "createEngineTime.H"
  53 #   include "createEngineMesh.H"
  54 #   include "createFields.H"
  55 #   include "readGravitationalAcceleration.H"
  56 #   include "readCombustionProperties.H"
  57 #   include "createSpray.H"
  58 #   include "initContinuityErrs.H"
  59 #   include "readEngineTimeControls.H"
  60 #   include "compressibleCourantNo.H"
  61 #   include "setInitialDeltaT.H"
  62 #   include "startSummary.H"
  63
  64 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  65
  66     Info<< "\nStarting time loop\n" << endl;
  67
  68     while (runTime.run())
  69     {
  70 #       include "readPISOControls.H"
  71 #       include "readEngineTimeControls.H"
  72 #       include "compressibleCourantNo.H"
  73 #       include "setDeltaT.H"
  74
  75         runTime++;
  76
  77         Info<< "Crank angle = " << runTime.theta() << " CA-deg" << endl;
  78
  79         mesh.move();
  80
  81         dieselSpray.evolve();
  82
  83         Info<< "Solving chemistry" << endl;
  84
  85         chemistry.solve
  86         (
  87             runTime.value() - runTime.deltaT().value(),
  88             runTime.deltaT().value()
  89         );
  90
  91         // turbulent time scale
  92         {
  93             volScalarField tk =
  94                 Cmix*sqrt(turbulence->muEff()/rho/turbulence->epsilon());
  95             volScalarField tc = chemistry.tc();
  96
  97             //Chalmers PaSR model
  98             kappa = (runTime.deltaT() + tc)/(runTime.deltaT() + tc + tk);
  99         }
 100
 101         chemistrySh = kappa*chemistry.Sh()();
 102
 103 #       include "rhoEqn.H"
 104 #       include "UEqn.H"
 105
 106         for (label ocorr=1; ocorr <= nOuterCorr; ocorr++)
 107         {
 108 #           include "YEqn.H"
 109 #           include "hsEqn.H"
 110
 111             // --- PISO loop
 112             for (int corr=1; corr<=nCorr; corr++)
 113             {
 114 #               include "pEqn.H"
 115             }
 116         }
 117
 118         turbulence->correct();
 119
 120 #       include "logSummary.H"
 121 #       include "spraySummary.H"
 122
 123         rho = thermo.rho();
 124
 125         if (runTime.write())
 126         {
 127             chemistry.dQ()().write();
 128         }
 129
 130         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 131             << "  ClockTime = " << runTime.elapsedClockTime() << " s"
 132             << nl << endl;
 133     }
 134
 135     Info<< "End\n" << endl;
 136
 137     return 0;
 138 }
 139
 140
 141 // ************************************************************************* //