applications/solvers/compressible/sonicFoam/sonicLiquidFoam/sonicLiquidFoam.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
   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     sonicLiquidFoam
  26
  27 Description
  28     Transient solver for trans-sonic/supersonic, laminar flow of a
  29     compressible liquid.
  30
  31 \*---------------------------------------------------------------------------*/
  32
  33 #include "fvCFD.H"
  34
  35 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  36
  37 int main(int argc, char *argv[])
  38 {
  39     #include "setRootCase.H"
  40     #include "createTime.H"
  41     #include "createMesh.H"
  42     #include "readThermodynamicProperties.H"
  43     #include "readTransportProperties.H"
  44     #include "createFields.H"
  45     #include "initContinuityErrs.H"
  46
  47     // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  48
  49     Info<< "\nStarting time loop\n" << endl;
  50
  51     while (runTime.loop())
  52     {
  53         Info<< "Time = " << runTime.timeName() << nl << endl;
  54
  55         #include "readPISOControls.H"
  56         #include "compressibleCourantNo.H"
  57
  58         #include "rhoEqn.H"
  59
  60         fvVectorMatrix UEqn
  61         (
  62             fvm::ddt(rho, U)
  63           + fvm::div(phi, U)
  64           - fvm::laplacian(mu, U)
  65         );
  66
  67         solve(UEqn == -fvc::grad(p));
  68
  69
  70         // --- PISO loop
  71
  72         for (int corr=0; corr<nCorr; corr++)
  73         {
  74             volScalarField rAU(1.0/UEqn.A());
  75             U = rAU*UEqn.H();
  76
  77             surfaceScalarField phid
  78             (
  79                 "phid",
  80                 psi
  81                *(
  82                     (fvc::interpolate(U) & mesh.Sf())
  83                   + fvc::ddtPhiCorr(rAU, rho, U, phi)
  84                 )
  85             );
  86
  87             phi = (rhoO/psi)*phid;
  88
  89             fvScalarMatrix pEqn
  90             (
  91                 fvm::ddt(psi, p)
  92               + fvc::div(phi)
  93               + fvm::div(phid, p)
  94               - fvm::laplacian(rho*rAU, p)
  95             );
  96
  97             pEqn.solve();
  98
  99             phi += pEqn.flux();
 100
 101             #include "compressibleContinuityErrs.H"
 102
 103             U -= rAU*fvc::grad(p);
 104             U.correctBoundaryConditions();
 105         }
 106
 107         rho = rhoO + psi*p;
 108
 109         runTime.write();
 110
 111         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 112             << "  ClockTime = " << runTime.elapsedClockTime() << " s"
 113             << nl << endl;
 114     }
 115
 116     Info<< "End\n" << endl;
 117
 118     return 0;
 119 }
 120
 121
 122 // ************************************************************************* //