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

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2004-2007 Hrvoje Jasak
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM 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 2 of the License, or (at your
    option) any later version.

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    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 OpenFOAM; if not, write to the Free Software Foundation,
    Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Application
    elasticIncrAcpSolidFoam

Description
    Incremental form of elasticAcpSolidFoam
    arbitrary crack propagation solver

Author
    Zeljko Tukovic, FSB Zagreb
    Declan Carolan UCD
    Philip Cardiff UCD

\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
#include "constitutiveModel.H"
//#include "componentReferenceList.H"
#include "crackerFvMesh.H"
#include "processorPolyPatch.H"
#include "SortableList.H"
#include "solidInterface.H"
#include "solidCohesiveFvPatchVectorField.H"
#include "solidCohesiveFixedModeMixFvPatchVectorField.H"

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

int main(int argc, char *argv[])
{
# include "setRootCase.H"
# include "createTime.H"
# include "createCrackerMesh.H"
# include "createFields.H"
# include "createCrack.H"
  //# include "createReference.H"
# include "createHistory.H"
# include "readDivDSigmaExpMethod.H"
# include "createSolidInterfaceIncrNoModify.H"

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

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

  lduMatrix::debug = 0;

  scalar maxEffTractionFraction = 0;

  while (runTime.run())
    {
#     include "readSolidMechanicsControls.H"
#     include "setDeltaT.H"

      runTime++;

      Info<< "\nTime: " << runTime.timeName() << " s\n" << endl;

      volScalarField rho = rheology.rho();
      volScalarField mu = rheology.mu();
      volScalarField lambda = rheology.lambda();
      surfaceScalarField muf = fvc::interpolate(mu);
      surfaceScalarField lambdaf = fvc::interpolate(lambda);

      solidInterfacePtr->modifyProperties(muf, lambdaf);
      //#     include "waveCourantNo.H"

      int iCorr = 0;
      lduMatrix::solverPerformance solverPerf;
      scalar initialResidual = 0;
      scalar relativeResidual = 1;
      //scalar forceResidual = 1;
      label nFacesToBreak = 0;
      label nCoupledFacesToBreak = 0;
      bool topoChange = false;

      // DU from the previous timestep is usually a good guess
      // for the next timestep, but it can cause faces to prematurely
      // crack.
      // so I will reduce DU here to stop this happening
      if (!predictor)
      {
          DU *= 0.0;
      }

      do
      {
          surfaceVectorField n = mesh.Sf()/mesh.magSf();
          do
          {
              DU.storePrevIter();

#             include "calculateDivDSigmaExp.H"

              fvVectorMatrix DUEqn
                  (
                      rho*fvm::d2dt2(DU)
                      ==
                      fvm::laplacian(2*muf + lambdaf, DU, "laplacian(DDU,DU)")
                      + divDSigmaExp
                      );

              //#             include "setReference.H"

              if(solidInterfacePtr)
              {
                  solidInterfacePtr->correct(DUEqn);
              }

              //DUEqn.relax();

              solverPerf = DUEqn.solve();

              if (aitkenRelax)
              {
#                 include "aitkenRelaxation.H"
              }
              else
              {
                  DU.relax();
              }

              if (iCorr == 0)
              {
                  initialResidual = solverPerf.initialResidual();
                  aitkenInitialRes = gMax(mag(DU.internalField()));
              }

              //gradDU = solidInterfacePtr->grad(DU);
              // use leastSquaresSolidInterface grad scheme
              gradDU = fvc::grad(DU);

#             include "calculateRelativeResidual.H"

              if (iCorr % infoFrequency == 0)
              {
                  Info << "\tTime " << runTime.value()
                       << ", Corr " << iCorr
                       << ", Solving for " << DU.name()
                       << " using " << solverPerf.solverName()
                       << ", res = " << solverPerf.initialResidual()
                       << ", rel res = " << relativeResidual;
                  if (aitkenRelax)
                  {
                      Info << ", aitken = " << aitkenTheta;
                  }
                  Info << ", inner iters " << solverPerf.nIterations() << endl;
              }
          }
          while
              (
                  //iCorr++ == 0
                  iCorr++ < 10
                  ||
                  (
                      //solverPerf.initialResidual() > convergenceTolerance
                      relativeResidual > convergenceTolerance
                      &&
                      iCorr < nCorr
                      )
                  );

          Info<< "Solving for " << DU.name() << " using "
              << solverPerf.solverName()
              << ", Initial residual = " << initialResidual
              << ", Final residual = " << solverPerf.initialResidual()
              << ", No outer iterations " << iCorr
              << ", Relative residual " << relativeResidual << endl;

#         include "calculateTraction.H"
#         include "updateCrack.H"

          Info<< "Max effective traction fraction: "
              << maxEffTractionFraction << endl;

          // reset counter if faces want to crack
          if ((nFacesToBreak > 0)  || (nCoupledFacesToBreak > 0)) iCorr = 0;
      }
      while( (nFacesToBreak > 0)  || (nCoupledFacesToBreak > 0));

      if (cohesivePatchDUPtr)
      {
          if (returnReduce(cohesivePatchDUPtr->size(), sumOp<label>()))
          {
              cohesivePatchDUPtr->cracking();
          }
      }
      else
      {
          if
              (
                  returnReduce
                  (
                      cohesivePatchDUFixedModePtr->size(),
                      sumOp<label>())
                  )
          {
              Pout << "Number of faces in crack: "
                   << cohesivePatchDUFixedModePtr->size() << endl;
              cohesivePatchDUFixedModePtr->relativeSeparationDistance();
          }
      }

#     include "calculateDEpsilonDSigma.H"

      // update total quantities
      U += DU;
      epsilon += DEpsilon;
      sigma += DSigma;

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

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

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

  return(0);
}


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