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foam-extend4.1-coherent-io/applications/solvers/solidMechanics/stressFemFoam/stressFemFoam.C
2018-06-01 18:11:37 +02:00

89 lines
2.7 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration | Version: 4.1
\\ / A nd | Web: http://www.foam-extend.org
\\/ M anipulation | For copyright notice see file Copyright
-------------------------------------------------------------------------------
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
stressFemFoam
Description
Steady-state segregated finite-element solver of linear-elastic,
small-strain deformation of a solid body.
Simple linear elasticity structural analysis code.
Solves for the displacement vector field U, also generating the
stress tensor field sigma.
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
#include "pointMesh.H"
#include "pointFields.H"
#include "tetPolyMesh.H"
#include "tetPointFields.H"
#include "tetFem.H"
#include "tetFec.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
# include "setRootCase.H"
# include "createTime.H"
# include "createMesh.H"
# include "createFemMesh.H"
# include "createFemFields.H"
# include "readMechanicalProperties.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Info << "\nCalculating displacement field\n" << endl;
while(runTime.loop())
{
Info<< "Iteration: " << runTime.timeName() << nl << endl;
tetFemVectorMatrix UEqn
(
tetFem::laplacian(mu, U)
+ tetFem::laplacianTranspose(mu, U)
+ tetFem::laplacianTrace(lambda, U)
);
UEqn.solve();
# include "calculateStress.H"
Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
<< " ClockTime = " << runTime.elapsedClockTime() << " s"
<< nl << endl;
}
Info<< "End\n" << endl;
return(0);
}
// ************************************************************************* //