231 lines
6.5 KiB
C
231 lines
6.5 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2004-2007 Hrvoje Jasak
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Application
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elasticIncrAcpSolidFoam
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Description
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Incremental form of elasticAcpSolidFoam
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arbitrary crack propagation solver
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Author
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Zeljko Tukovic, FSB Zagreb
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Declan Carolan UCD
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Philip Cardiff UCD
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "constitutiveModel.H"
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//#include "componentReferenceList.H"
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#include "crackerFvMesh.H"
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#include "processorPolyPatch.H"
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#include "SortableList.H"
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#include "solidInterface.H"
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#include "solidCohesiveFvPatchVectorField.H"
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#include "solidCohesiveFixedModeMixFvPatchVectorField.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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# include "setRootCase.H"
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# include "createTime.H"
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# include "createCrackerMesh.H"
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# include "createFields.H"
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# include "createCrack.H"
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//# include "createReference.H"
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# include "createHistory.H"
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# include "readDivDSigmaExpMethod.H"
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# include "createSolidInterfaceIncrNoModify.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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Info<< "\nStarting time loop\n" << endl;
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lduMatrix::debug = 0;
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scalar maxEffTractionFraction = 0;
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while (runTime.run())
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{
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# include "readSolidMechanicsControls.H"
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# include "setDeltaT.H"
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runTime++;
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Info<< "\nTime: " << runTime.timeName() << " s\n" << endl;
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volScalarField rho = rheology.rho();
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volScalarField mu = rheology.mu();
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volScalarField lambda = rheology.lambda();
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surfaceScalarField muf = fvc::interpolate(mu);
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surfaceScalarField lambdaf = fvc::interpolate(lambda);
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solidInterfacePtr->modifyProperties(muf, lambdaf);
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//# include "waveCourantNo.H"
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int iCorr = 0;
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lduMatrix::solverPerformance solverPerf;
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scalar initialResidual = 0;
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scalar relativeResidual = 1;
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//scalar forceResidual = 1;
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label nFacesToBreak = 0;
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label nCoupledFacesToBreak = 0;
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bool topoChange = false;
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// DU from the previous timestep is usually a good guess
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// for the next timestep, but it can cause faces to prematurely
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// crack.
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// so I will reduce DU here to stop this happening
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if(!predictor)
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{
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DU *= 0.0;
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}
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do
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{
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surfaceVectorField n = mesh.Sf()/mesh.magSf();
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do
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{
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DU.storePrevIter();
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# include "calculateDivDSigmaExp.H"
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fvVectorMatrix DUEqn
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(
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rho*fvm::d2dt2(DU)
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==
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fvm::laplacian(2*muf + lambdaf, DU, "laplacian(DDU,DU)")
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+ divDSigmaExp
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);
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//# include "setReference.H"
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solidInterfacePtr->correct(DUEqn);
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//DUEqn.relax();
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solverPerf = DUEqn.solve();
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if(aitkenRelax)
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{
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# include "aitkenRelaxation.H"
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}
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else
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{
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DU.relax();
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}
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if(iCorr == 0)
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{
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initialResidual = solverPerf.initialResidual();
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aitkenInitialRes = gMax(mag(DU.internalField()));
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}
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//gradDU = solidInterfacePtr->grad(DU);
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gradDU = fvc::grad(DU); // use leastSquaresSolidInterface grad scheme
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# include "calculateRelativeResidual.H"
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if(iCorr % infoFrequency == 0)
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{
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Info << "\tTime " << runTime.value()
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<< ", Corr " << iCorr
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<< ", Solving for " << DU.name()
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<< " using " << solverPerf.solverName()
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<< ", res = " << solverPerf.initialResidual()
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<< ", rel res = " << relativeResidual;
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if(aitkenRelax) Info << ", aitken = " << aitkenTheta;
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Info << ", inner iters " << solverPerf.nIterations() << endl;
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}
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}
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while
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(
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//iCorr++ == 0
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iCorr++ < 10
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||
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(
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//solverPerf.initialResidual() > convergenceTolerance
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relativeResidual > convergenceTolerance
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&&
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iCorr < nCorr
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)
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);
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Info << "Solving for " << DU.name() << " using "
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<< solverPerf.solverName()
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<< ", Initial residual = " << initialResidual
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<< ", Final residual = " << solverPerf.initialResidual()
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<< ", No outer iterations " << iCorr
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<< ", Relative residual " << relativeResidual << endl;
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# include "calculateTraction.H"
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# include "updateCrack.H"
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Info << "Max effective traction fraction: " << maxEffTractionFraction << endl;
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// reset counter if faces want to crack
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if((nFacesToBreak > 0) || (nCoupledFacesToBreak > 0)) iCorr = 0;
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}
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while( (nFacesToBreak > 0) || (nCoupledFacesToBreak > 0));
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if(cohesivePatchDUPtr)
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{
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if(returnReduce(cohesivePatchDUPtr->size(), sumOp<label>()))
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{
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cohesivePatchDUPtr->cracking();
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}
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}
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else
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{
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if ( returnReduce(cohesivePatchDUFixedModePtr->size(), sumOp<label>()) )
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{
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Pout << "Number of faces in crack: " << cohesivePatchDUFixedModePtr->size()
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<< endl;
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cohesivePatchDUFixedModePtr->relativeSeparationDistance();
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}
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}
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# include "calculateDEpsilonDSigma.H"
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// update total quantities
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U += DU;
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epsilon += DEpsilon;
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sigma += DSigma;
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# include "writeFields.H"
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# include "writeHistory.H"
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Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
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<< " ClockTime = " << runTime.elapsedClockTime() << " s\n\n"
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<< endl;
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}
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Info<< "End\n" << endl;
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return(0);
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}
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// ************************************************************************* //
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