foam-extend4.1-coherent-io/applications/solvers/solidMechanics/elasticOrthoSolidFoam/elasticOrthoSolidFoam.C

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     3.2
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
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License
    This file is part of foam-extend.

    foam-extend is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
    Free Software Foundation, either version 3 of the License, or (at your
    option) any later version.

    foam-extend is distributed in the hope that it will be useful, but
    WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.

Application
    elasticOrthoSolidFoam

Description
    Transient/steady-state segregated finite-volume solver for small strain
    elastic orthotropic solid bodies allowing for general principal material
    directions.

    Please cite:
    Cardiff P, Karac A & Ivankovic A, A Large Strain Finite Volume Method for
    Orthotropic Bodies with General Material Orientations, Computer Methods
    in Applied Mechanics & Engineering, 2013,
    http://dx.doi.org/10.1016/j.cma.2013.09.008

Author
    Philip Cardiff UCD

\*---------------------------------------------------------------------------*/

#include "fvCFD.H"
#include "constitutiveModel.H"
#include "solidInterface.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

int main(int argc, char *argv[])
{
# include "setRootCase.H"
# include "createTime.H"
# include "createMesh.H"
# include "createFields.H"
# include "createHistory.H"
# include "readDivSigmaExpMethod.H"
# include "createSolidInterfaceOrthotropic.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

  Info<< "\nStarting time loop\n" << endl;

  for (runTime++; !runTime.end(); runTime++)
    {
      Info<< "Time: " << runTime.timeName() << nl << endl;

#     include "readSolidMechanicsControls.H"

      int iCorr = 0;
      lduMatrix::solverPerformance solverPerf;
      scalar initialResidual = 1.0;
      scalar relativeResidual = 1.0;
      lduMatrix::debug = 0;

      do
      {
          U.storePrevIter();

#         include "calculateDivSigmaExp.H"

          //- Linear momentum equation
          fvVectorMatrix UEqn
              (
                  rho*fvm::d2dt2(U)
                  ==
                  fvm::laplacian(Kf, U, "laplacian(K,U)")
                  + divSigmaExp
                  );

          if (solidInterfaceCorr)
          {
              solidInterfacePtr->correct(UEqn);
          }

          solverPerf = UEqn.solve();

          if (iCorr == 0)
          {
              initialResidual = solverPerf.initialResidual();
          }

          U.relax();

          gradU = fvc::grad(U); // use leastSquaresSolidInterface

          //#         include "setPlaneStressGradU.H"

#         include "calculateRelativeResidual.H"

          if (iCorr % infoFrequency == 0)
          {
              Info << "\tTime " << runTime.value()
                   << ", Corr " << iCorr
                   << ", Solving for " << U.name()
                   << " using " << solverPerf.solverName()
                   << ", res = " << solverPerf.initialResidual()
                   << ", rel res = " << relativeResidual
                   << ", inner iters " << solverPerf.nIterations() << endl;
          }
      }
    while
        (
            solverPerf.initialResidual() > convergenceTolerance
            &&
            ++iCorr < nCorr
            );

      Info<< nl << "Time " << runTime.value() << ", Solving for " << U.name()
          << ", Initial residual = " << initialResidual
          << ", Final residual = " << solverPerf.initialResidual()
          << ", No outer iterations " << iCorr
          << nl << "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
          << "  ClockTime = " << runTime.elapsedClockTime() << " s"
          << endl;

#     include "calculateEpsilonSigma.H"
#     include "writeFields.H"
#     include "writeHistory.H"

      Info<< "ExecutionTime = "
          << runTime.elapsedCpuTime()
          << " s\n\n" << endl;
    }

  Info<< "End\n" << endl;

  return(0);
}


// ************************************************************************* //