applications/solvers/compressible/sonicLiquidFoam/sonicLiquidFoam.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     sonicLiquidFoam
  27
  28 Description
  29     Transient solver for trans-sonic/supersonic, laminar flow of a
  30     compressible liquid.
  31
  32 \*---------------------------------------------------------------------------*/
  33
  34 #include "fvCFD.H"
  35
  36 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  37
  38 int main(int argc, char *argv[])
  39 {
  40
  41 #   include "setRootCase.H"
  42 #   include "createTime.H"
  43 #   include "createMesh.H"
  44 #   include "readThermodynamicProperties.H"
  45 #   include "readTransportProperties.H"
  46 #   include "createFields.H"
  47 #   include "initContinuityErrs.H"
  48
  49 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  50
  51     Info<< "\nStarting time loop\n" << endl;
  52
  53     for (runTime++; !runTime.end(); runTime++)
  54     {
  55         Info<< "Time = " << runTime.timeName() << nl << endl;
  56
  57 #       include "readPISOControls.H"
  58 #       include "compressibleCourantNo.H"
  59
  60 #       include "rhoEqn.H"
  61
  62         fvVectorMatrix UEqn
  63         (
  64             fvm::ddt(rho, U)
  65           + fvm::div(phi, U)
  66           - fvm::laplacian(mu, U)
  67         );
  68
  69         solve(UEqn == -fvc::grad(p));
  70
  71
  72         // --- PISO loop
  73
  74         for (int corr=0; corr<nCorr; corr++)
  75         {
  76             volScalarField rUA = 1.0/UEqn.A();
  77             U = rUA*UEqn.H();
  78
  79             surfaceScalarField phid
  80             (
  81                 "phid",
  82                 psi*
  83                 (
  84                     (fvc::interpolate(U) & mesh.Sf())
  85                   + fvc::ddtPhiCorr(rUA, rho, U, phi)
  86                 )
  87             );
  88
  89             phi = (rhoO/psi)*phid;
  90
  91             fvScalarMatrix pEqn
  92             (
  93                 fvm::ddt(psi, p)
  94               + fvc::div(phi)
  95               + fvm::div(phid, p)
  96               - fvm::laplacian(rho*rUA, p)
  97             );
  98
  99             pEqn.solve();
 100
 101             phi += pEqn.flux();
 102
 103 #           include "compressibleContinuityErrs.H"
 104
 105             U -= rUA*fvc::grad(p);
 106             U.correctBoundaryConditions();
 107         }
 108
 109         rho = rhoO + psi*p;
 110
 111         runTime.write();
 112
 113         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 114             << "  ClockTime = " << runTime.elapsedClockTime() << " s"
 115             << nl << endl;
 116     }
 117
 118     Info<< "End\n" << endl;
 119
 120     return(0);
 121 }
 122
 123
 124 // ************************************************************************* //