applications/solvers/incompressible/icoDyMSimpleFoam/icoDyMSimpleFoam.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | foam-extend: Open Source CFD
   4    \\    /   O peration     | Version:     3.2
   5     \\  /    A nd           | Web:         http://www.foam-extend.org
   6      \\/     M anipulation  | For copyright notice see file Copyright
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of foam-extend.
  10
  11     foam-extend 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 3 of the License, or (at your
  14     option) any later version.
  15
  16     foam-extend is distributed in the hope that it will be useful, but
  17     WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19     General Public License for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 Application
  25     icoDyMSimpleFoam
  26
  27 Description
  28     Transient solver for incompressible, laminar flow of Newtonian fluids
  29     with dynamic mesh.  Solver implements a SIMPLE-based algorithm
  30     in time-stepping mode.
  31
  32 Author
  33     Hrvoje Jasak, Wikki Ltd.  All rights reserved.
  34
  35 \*---------------------------------------------------------------------------*/
  36
  37 #include "fvCFD.H"
  38 #include "dynamicFvMesh.H"
  39
  40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  41
  42 int main(int argc, char *argv[])
  43 {
  44 #   include "setRootCase.H"
  45 #   include "createTime.H"
  46 #   include "createDynamicFvMesh.H"
  47 #   include "initContinuityErrs.H"
  48 #   include "initTotalVolume.H"
  49 #   include "createFields.H"
  50
  51 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  52
  53     Info<< "\nStarting time loop\n" << endl;
  54
  55     while (runTime.run())
  56     {
  57 #       include "readControls.H"
  58 #       include "checkTotalVolume.H"
  59 #       include "CourantNo.H"
  60
  61         // Make the fluxes absolute
  62         fvc::makeAbsolute(phi, U);
  63
  64 #       include "setDeltaT.H"
  65
  66         runTime++;
  67
  68         Info<< "Time = " << runTime.timeName() << nl << endl;
  69
  70         bool meshChanged = mesh.update();
  71         reduce(meshChanged, orOp<bool>());
  72
  73 #       include "volContinuity.H"
  74
  75         if (correctPhi && meshChanged)
  76         {
  77             // Fluxes will be corrected to absolute velocity
  78             // HJ, 6/Feb/2009
  79 #           include "correctPhi.H"
  80         }
  81
  82         // Make the fluxes relative to the mesh motion
  83         fvc::makeRelative(phi, U);
  84
  85         if (checkMeshCourantNo)
  86         {
  87 #           include "meshCourantNo.H"
  88         }
  89
  90         // --- SIMPLE loop
  91
  92         for (int ocorr = 0; ocorr < nOuterCorr; ocorr++)
  93         {
  94 #           include "CourantNo.H"
  95
  96 #           include "UEqn.H"
  97
  98             rAU = 1.0/UEqn.A();
  99
 100             U = rAU*UEqn.H();
 101             phi = (fvc::interpolate(U) & mesh.Sf());
 102               //+ fvc::ddtPhiCorr(rAU, U, phi);
 103
 104             adjustPhi(phi, U, p);
 105
 106             p.storePrevIter();
 107
 108             for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
 109             {
 110                 fvScalarMatrix pEqn
 111                 (
 112                     fvm::laplacian(rAU, p) == fvc::div(phi)
 113                 );
 114
 115                 pEqn.setReference(pRefCell, pRefValue);
 116
 117                 if
 118                 (
 119                     ocorr == nOuterCorr - 1
 120                  && nonOrth == nNonOrthCorr
 121                 )
 122                 {
 123                     pEqn.solve(mesh.solutionDict().solver(p.name() + "Final"));
 124                 }
 125                 else
 126                 {
 127                     pEqn.solve(mesh.solutionDict().solver(p.name()));
 128                 }
 129
 130                 if (nonOrth == nNonOrthCorr)
 131                 {
 132                     phi -= pEqn.flux();
 133                 }
 134             }
 135
 136 #           include "continuityErrs.H"
 137
 138             // Explicitly relax pressure for momentum corrector
 139             p.relax();
 140
 141             // Make the fluxes relative to the mesh motion
 142             fvc::makeRelative(phi, U);
 143
 144             U -= rAU*fvc::grad(p);
 145             U.correctBoundaryConditions();
 146         }
 147
 148         runTime.write();
 149
 150         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 151             << "  ClockTime = " << runTime.elapsedClockTime() << " s"
 152             << nl << endl;
 153     }
 154
 155     Info<< "End\n" << endl;
 156
 157     return(0);
 158 }
 159
 160
 161 // ************************************************************************* //