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