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) 1991-2008 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 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     dieselFoam
  27
  28 Description
  29     Diesel engine spray and combustion code.
  30
  31 \*---------------------------------------------------------------------------*/
  32
  33 #include "fvCFD.H"
  34 #include "engineTime.H"
  35 #include "engineMesh.H"
  36 #include "hCombustionThermo.H"
  37 #include "compressible/RASModel/RASModel.H"
  38 #include "spray.H"
  39 #include "chemistryModel.H"
  40 #include "chemistrySolver.H"
  41 #include "multivariateScheme.H"
  42 #include "Switch.H"
  43 #include "OFstream.H"
  44
  45 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  46
  47 int main(int argc, char *argv[])
  48 {
  49 #   include "setRootCase.H"
  50 #   include "createEngineTime.H"
  51 #   include "createEngineMesh.H"
  52 #   include "createFields.H"
  53 #   include "readEnvironmentalProperties.H"
  54 #   include "readCombustionProperties.H"
  55 #   include "createSpray.H"
  56 #   include "initContinuityErrs.H"
  57 #   include "readEngineTimeControls.H"
  58 #   include "compressibleCourantNo.H"
  59 #   include "setInitialDeltaT.H"
  60 #   include "startSummary.H"
  61
  62 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  63
  64     Info << "\nStarting time loop\n" << endl;
  65
  66     while (runTime.run())
  67     {
  68 #       include "readPISOControls.H"
  69 #       include "readEngineTimeControls.H"
  70 #       include "compressibleCourantNo.H"
  71 #       include "setDeltaT.H"
  72
  73         runTime++;
  74
  75         Info<< "Crank angle = " << runTime.theta() << " CA-deg" << endl;
  76
  77         mesh.move();
  78         vpi.updateMesh();
  79
  80         dieselSpray.evolve();
  81
  82         Info << "Solving chemistry" << endl;
  83
  84         chemistry.solve
  85         (
  86             runTime.value() - runTime.deltaT().value(),
  87             runTime.deltaT().value()
  88         );
  89
  90         // turbulent time scale
  91         {
  92             volScalarField tk =
  93                 Cmix*sqrt(turbulence->muEff()/rho/turbulence->epsilon());
  94             volScalarField tc = chemistry.tc();
  95
  96             //Chalmers PaSR model
  97             kappa = (runTime.deltaT() + tc)/(runTime.deltaT() + tc + tk);
  98         }
  99
 100 #       include "rhoEqn.H"
 101 #       include "UEqn.H"
 102
 103         for (label ocorr=1; ocorr <= nOuterCorr; ocorr++)
 104         {
 105 #           include "YEqn.H"
 106 #           include "hEqn.H"
 107
 108             // --- PISO loop
 109             for (int corr=1; corr<=nCorr; corr++)
 110             {
 111 #               include "pEqn.H"
 112             }
 113         }
 114
 115         turbulence->correct();
 116
 117 #       include "logSummary.H"
 118 #       include "spraySummary.H"
 119
 120         rho = thermo->rho();
 121
 122         runTime.write();
 123
 124         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 125             << "  ClockTime = " << runTime.elapsedClockTime() << " s"
 126             << nl << endl;
 127     }
 128
 129     Info<< "End\n" << endl;
 130
 131     return(0);
 132 }
 133
 134
 135 // ************************************************************************* //