268 lines
8.3 KiB
C++
268 lines
8.3 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.1
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Application
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elasticAcpSolidFoam
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Description
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Arbitrary crack propagation solver.
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Cracks may propagate along any mesh internal face.
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Please cite:
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Carolan D, Tuković Z, Murphy N, Ivankovic A, Arbitrary crack propagation
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in multi-phase materials using the finite volume method, Computational
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Materials Science, 2013, http://dx.doi.org/10.1016/j.commatsci.2012.11.049.
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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 "readDivSigmaExpMethod.H"
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# include "createSolidInterfaceNoModify.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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// time rates for predictor
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volTensorField gradV = fvc::ddt(gradU);
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surfaceVectorField snGradV =
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(snGradU - snGradU.oldTime())/runTime.deltaT();
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//# include "initialiseSolution.H"
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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 << "Time = " << runTime.timeName() << nl << 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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if (solidInterfaceCorr)
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{
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solidInterfacePtr->modifyProperties(muf, lambdaf);
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}
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//# include "waveCourantNo.H"
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int iCorr = 0;
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lduSolverPerformance 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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// Predictor step using time rates
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if (predictor)
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{
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Info<< "Predicting U, gradU and snGradU using velocity"
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<< endl;
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U += V*runTime.deltaT();
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gradU += gradV*runTime.deltaT();
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snGradU += snGradV*runTime.deltaT();
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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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U.storePrevIter();
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# include "calculateDivSigmaExp.H"
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fvVectorMatrix UEqn
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(
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rho*fvm::d2dt2(U)
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==
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fvm::laplacian(2*muf + lambdaf, U, "laplacian(DU,U)")
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+ divSigmaExp
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);
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//# include "setReference.H"
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if(solidInterfaceCorr)
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{
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solidInterfacePtr->correct(UEqn);
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}
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if (relaxEqn)
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{
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UEqn.relax();
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}
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solverPerf = UEqn.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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U.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(U.internalField()));
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}
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//gradU = solidInterfacePtr->grad(U);
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// use leastSquaresSolidInterface grad scheme
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gradU = fvc::grad(U);
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# include "calculateRelativeResidual.H"
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//# include "calculateForceResidual.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 " << U.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)
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{
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Info << ", aitken = " << aitkenTheta;
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}
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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++ < 2
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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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&& iCorr < nCorr
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)
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);
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Info<< "Solving for " << U.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: "
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<< 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 (cohesivePatchUPtr)
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{
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if (returnReduce(cohesivePatchUPtr->size(), sumOp<label>()))
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{
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cohesivePatchUPtr->cracking();
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}
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}
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else
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{
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if
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(
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returnReduce
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(
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cohesivePatchUFixedModePtr->size(),
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sumOp<label>()
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)
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)
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{
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Pout << "Number of faces in crack: "
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<< cohesivePatchUFixedModePtr->size() << endl;
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cohesivePatchUFixedModePtr->relativeSeparationDistance();
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}
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}
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// update time rates for predictor
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if (predictor)
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{
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V = fvc::ddt(U);
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gradV = fvc::ddt(gradU);
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snGradV = (snGradU - snGradU.oldTime())/runTime.deltaT();
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}
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# include "calculateEpsilonSigma.H"
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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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