183 lines
5.1 KiB
C
183 lines
5.1 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) 1991-2005 OpenCFD Ltd.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Application
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elasticNonLinULSolidFoam
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Description
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Finite volume structural solver employing a incremental strain updated
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Lagrangian approach.
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Valid for small strains, finite displacements and finite rotations.
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Author
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Philip Cardiff
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "rheologyModel.H"
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#include "solidInterface.H"
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#include "volPointInterpolation.H"
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#include "pointPatchInterpolation.H"
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#include "primitivePatchInterpolation.H"
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#include "pointFields.H"
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#include "plane.H"
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#include "meshSearch.H"
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#include "twoDPointCorrector.H"
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#include "leastSquaresVolPointInterpolation.H"
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#include "processorFvPatchFields.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 "createMesh.H"
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# include "createFields.H"
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# include "readDivDSigmaExpMethod.H"
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# include "readDivDSigmaLargeStrainExpMethod.H"
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# include "readMoveMeshMethod.H"
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# include "createSolidInterface.H"
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//* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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Info << "\nStarting time loop\n" << endl;
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for (runTime++; !runTime.end(); runTime++)
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{
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Info<< "Time = " << runTime.timeName() << nl << endl;
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# include "readStressedFoamControls.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 = GREAT;
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lduMatrix::debug = 0;
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do
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{
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DU.storePrevIter();
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divDSigmaLargeStrainExp.storePrevIter();
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# include "calculateDivDSigmaExp.H"
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# include "calculateDivDSigmaLargeStrainExp.H"
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//----------------------------------------------------//
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//- updated lagrangian large strain momentum equation
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//----------------------------------------------------//
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fvVectorMatrix DUEqn
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(
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fvm::d2dt2(rho,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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+ divDSigmaLargeStrainExp
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);
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if(solidInterfaceCorr)
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{
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solidInterfacePtr->correct(DUEqn);
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}
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solverPerf = DUEqn.solve();
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if(iCorr == 0)
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{
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initialResidual = solverPerf.initialResidual();
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}
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DU.relax();
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if(solidInterfaceCorr)
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{
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gradDU = solidInterfacePtr->grad(DU);
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}
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else
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{
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gradDU = fvc::grad(DU);
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}
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# include "calculateDEpsilonDSigma.H"
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# include "calculateRelativeResidual.H"
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Info << "\tTime " << runTime.value()
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<< ", Corrector " << iCorr
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<< ", Solving for " << DU.name()
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<< " using " << solverPerf.solverName()
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<< ", residual = " << solverPerf.initialResidual()
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<< ", residualDU = " << relativeResidual
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<< ", inner iterations " << solverPerf.nIterations() << endl;
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}
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while
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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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lduMatrix::debug = 1;
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Info << nl << "Time " << runTime.value() << ", Solving for " << DU.name()
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<< ", Initial residual = " << initialResidual
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<< ", Final residual = " << solverPerf.initialResidual()
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<< ", No outer iterations " << iCorr << endl;
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# include "rotateFields.H"
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# include "moveMesh.H"
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# include "writeFields.H"
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//- total force
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forAll(mesh.boundary(), patchi)
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{
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vector force = sum(mesh.Sf().boundaryField()[patchi] & sigma.boundaryField()[patchi]);
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Info << "force on " << mesh.boundary()[patchi].name()
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<< " is " << force << endl;
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}
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Info << nl << "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
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<< " ClockTime = " << runTime.elapsedClockTime() << " s"
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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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