applications/solvers/compressible/sonicFoamAutoMotion/sonicFoamAutoMotion.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     sonicFoamAutoMotion
  27
  28 Description
  29     Transient solver for trans-sonic/supersonic, laminar flow of a
  30     compressible gas with mesh motion..
  31
  32 \*---------------------------------------------------------------------------*/
  33
  34 #include "fvCFD.H"
  35 #include "motionSolver.H"
  36
  37 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  38
  39 int main(int argc, char *argv[])
  40 {
  41
  42 #   include "setRootCase.H"
  43 #   include "createTime.H"
  44 #   include "createMesh.H"
  45 #   include "readThermodynamicProperties.H"
  46 #   include "readTransportProperties.H"
  47 #   include "createFields.H"
  48 #   include "initContinuityErrs.H"
  49
  50 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  51
  52     Info<< "\nStarting time loop\n" << endl;
  53
  54     autoPtr<Foam::motionSolver> motionPtr = motionSolver::New(mesh);
  55
  56     for (runTime++; !runTime.end(); runTime++)
  57     {
  58         Info<< "Time = " << runTime.timeName() << nl << endl;
  59
  60 #       include "readPISOControls.H"
  61 #       include "compressibleCourantNo.H"
  62
  63         mesh.movePoints(motionPtr->newPoints());
  64
  65 #       include "rhoEqn.H"
  66
  67         fvVectorMatrix UEqn
  68         (
  69             fvm::ddt(rho, U)
  70           + fvm::div(phi, U)
  71           - fvm::laplacian(mu, U)
  72         );
  73
  74         solve(UEqn == -fvc::grad(p));
  75
  76         solve
  77         (
  78             fvm::ddt(rho, e)
  79           + fvm::div(phi, e)
  80           - fvm::laplacian(mu, e)
  81           ==
  82           - p*fvc::div(phi/fvc::interpolate(rho) + fvc::meshPhi(rho, U))
  83           + mu*magSqr(symm(fvc::grad(U)))
  84         );
  85
  86         T = e/Cv;
  87         psi = 1.0/(R*T);
  88
  89         // --- PISO loop
  90
  91         for (int corr=0; corr<nCorr; corr++)
  92         {
  93             U = UEqn.H()/UEqn.A();
  94
  95             surfaceScalarField phid
  96             (
  97                 "phid",
  98                 fvc::interpolate(psi)*
  99                 (
 100                     (fvc::interpolate(U) & mesh.Sf()) - fvc::meshPhi(rho, U)
 101                 )
 102             );
 103
 104             for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
 105             {
 106                 fvScalarMatrix pEqn
 107                 (
 108                     fvm::ddt(psi, p)
 109                   + fvm::div(phid, p)
 110                   - fvm::laplacian(rho/UEqn.A(), p)
 111                 );
 112
 113                 pEqn.solve();
 114
 115                 phi = pEqn.flux();
 116             }
 117
 118 #           include "compressibleContinuityErrs.H"
 119
 120             U -= fvc::grad(p)/UEqn.A();
 121             U.correctBoundaryConditions();
 122         }
 123
 124         rho = psi*p;
 125
 126         runTime.write();
 127
 128         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 129             << "  ClockTime = " << runTime.elapsedClockTime() << " s"
 130             << nl << endl;
 131     }
 132
 133     Info<< "End\n" << endl;
 134
 135     return(0);
 136 }
 137
 138
 139 // ************************************************************************* //