1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation, either version 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
28 Steady-state segregated finite-element solver of linear-elastic,
29 small-strain deformation of a solid body.
31 Simple linear elasticity structural analysis code.
32 Solves for the displacement vector field U, also generating the
33 stress tensor field sigma.
35 \*---------------------------------------------------------------------------*/
39 #include "pointMesh.H"
40 #include "pointFields.H"
41 #include "tetPolyMesh.H"
42 #include "tetPointFields.H"
46 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
48 int main(int argc, char *argv[])
50 # include "setRootCase.H"
51 # include "createTime.H"
52 # include "createMesh.H"
54 # include "createFemMesh.H"
55 # include "createFemFields.H"
57 # include "readMechanicalProperties.H"
59 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
61 Info << "\nCalculating displacement field\n" << endl;
65 Info<< "Iteration: " << runTime.timeName() << nl << endl;
67 tetFemVectorMatrix UEqn
69 tetFem::laplacian(mu, U)
70 + tetFem::laplacianTranspose(mu, U)
71 + tetFem::laplacianTrace(lambda, U)
76 # include "calculateStress.H"
78 Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
79 << " ClockTime = " << runTime.elapsedClockTime() << " s"
83 Info<< "End\n" << endl;
89 // ************************************************************************* //