applications/solvers/solidMechanics/elasticOrthoSolidFoam/elasticOrthoSolidFoam.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     elasticOrthoSolidFoam
  26
  27 Description
  28     Transient/steady-state segregated finite-volume solver for small strain
  29     elastic orthotropic solid bodies allowing for general principal material
  30     directions.
  31
  32     Please cite:
  33     Cardiff P, Karac A & Ivankovic A, A Large Strain Finite Volume Method for
  34     Orthotropic Bodies with General Material Orientations, Computer Methods
  35     in Applied Mechanics & Engineering, 2013,
  36     http://dx.doi.org/10.1016/j.cma.2013.09.008
  37
  38 Author
  39     Philip Cardiff UCD
  40
  41 \*---------------------------------------------------------------------------*/
  42
  43 #include "fvCFD.H"
  44 #include "constitutiveModel.H"
  45 #include "solidInterface.H"
  46
  47 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  48
  49 int main(int argc, char *argv[])
  50 {
  51 #   include "setRootCase.H"
  52 #   include "createTime.H"
  53 #   include "createMesh.H"
  54 #   include "createFields.H"
  55 #   include "createHistory.H"
  56 #   include "readDivSigmaExpMethod.H"
  57 #   include "createSolidInterfaceOrthotropic.H"
  58
  59 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  60
  61     Info<< "\nStarting time loop\n" << endl;
  62
  63     while(runTime.loop())
  64     {
  65         Info<< "Time = " << runTime.timeName() << nl << endl;
  66
  67 #       include "readSolidMechanicsControls.H"
  68
  69         int iCorr = 0;
  70         lduMatrix::solverPerformance solverPerf;
  71         scalar initialResidual = 1.0;
  72         scalar relativeResidual = 1.0;
  73         lduMatrix::debug = 0;
  74
  75         do
  76         {
  77             U.storePrevIter();
  78
  79 #           include "calculateDivSigmaExp.H"
  80
  81             //- Linear momentum equation
  82             fvVectorMatrix UEqn
  83             (
  84                 rho*fvm::d2dt2(U)
  85              ==
  86                 fvm::laplacian(Kf, U, "laplacian(K,U)")
  87               + divSigmaExp
  88             );
  89
  90             if (solidInterfaceCorr)
  91             {
  92                 solidInterfacePtr->correct(UEqn);
  93             }
  94
  95             solverPerf = UEqn.solve();
  96
  97             if (iCorr == 0)
  98             {
  99                 initialResidual = solverPerf.initialResidual();
 100             }
 101
 102             U.relax();
 103
 104             gradU = fvc::grad(U); // use leastSquaresSolidInterface
 105
 106             //#         include "setPlaneStressGradU.H"
 107
 108 #           include "calculateRelativeResidual.H"
 109
 110             if (iCorr % infoFrequency == 0)
 111             {
 112                 Info<< "\tTime " << runTime.value()
 113                     << ", Corr " << iCorr
 114                     << ", Solving for " << U.name()
 115                     << " using " << solverPerf.solverName()
 116                     << ", res = " << solverPerf.initialResidual()
 117                     << ", rel res = " << relativeResidual
 118                     << ", inner iters " << solverPerf.nIterations() << endl;
 119             }
 120         }
 121         while
 122         (
 123             solverPerf.initialResidual() > convergenceTolerance
 124          && ++iCorr < nCorr
 125         );
 126
 127         Info<< nl << "Time " << runTime.value() << ", Solving for " << U.name()
 128             << ", Initial residual = " << initialResidual
 129             << ", Final residual = " << solverPerf.initialResidual()
 130             << ", No outer iterations " << iCorr
 131             << nl << "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 132             << "  ClockTime = " << runTime.elapsedClockTime() << " s"
 133             << endl;
 134
 135 #       include "calculateEpsilonSigma.H"
 136 #       include "writeFields.H"
 137 #       include "writeHistory.H"
 138
 139         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 140             << "  ClockTime = " << runTime.elapsedClockTime() << " s\n\n"
 141             << endl;
 142     }
 143
 144     Info<< "End\n" << endl;
 145
 146     return(0);
 147 }
 148
 149
 150 // ************************************************************************* //