00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software: you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. 00023 00024 Application 00025 solidEquilibriumDisplacementFoam 00026 00027 Description 00028 Steady-state segregated finite-volume solver of linear-elastic, 00029 small-strain deformation of a solid body, with optional thermal 00030 diffusion and thermal stresses. 00031 00032 Simple linear elasticity structural analysis code. 00033 Solves for the displacement vector field D, also generating the 00034 stress tensor field sigma. 00035 00036 Usage 00037 - solidEquilibriumDisplacementFoam [OPTION] 00038 00039 @param -case <dir> \n 00040 Specify the case directory 00041 00042 @param -parallel \n 00043 Run the case in parallel 00044 00045 @param -help \n 00046 Display short usage message 00047 00048 @param -doc \n 00049 Display Doxygen documentation page 00050 00051 @param -srcDoc \n 00052 Display source code 00053 00054 \*---------------------------------------------------------------------------*/ 00055 00056 #include <finiteVolume/fvCFD.H> 00057 #include <OpenFOAM/Switch.H> 00058 00059 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00060 00061 int main(int argc, char *argv[]) 00062 { 00063 00064 # include <OpenFOAM/setRootCase.H> 00065 00066 # include <OpenFOAM/createTime.H> 00067 # include <OpenFOAM/createMesh.H> 00068 # include "../solidDisplacementFoam/readMechanicalProperties.H" 00069 # include "createFields.H" 00070 00071 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00072 00073 Info<< "\nCalculating displacement field\n" << endl; 00074 00075 while (runTime.loop()) 00076 { 00077 Info<< "Iteration: " << runTime.value() << nl << endl; 00078 00079 # include "readSteadyStressFoamControls.H" 00080 00081 solve 00082 ( 00083 fvm::laplacian(2*mu + lambda, Dcorr, "laplacian(DD,Dcorr)") 00084 + fvc::div(sigmaExp + sigmaD) 00085 ); 00086 00087 D += accFac*Dcorr; 00088 00089 { 00090 volTensorField gradDcorr = fvc::grad(Dcorr); 00091 00092 sigmaExp = 00093 (lambda - mu)*gradDcorr + mu*gradDcorr.T() 00094 + (lambda*I)*tr(gradDcorr); 00095 00096 sigmaD += accFac*(mu*twoSymm(gradDcorr) + (lambda*I)*tr(gradDcorr)); 00097 } 00098 00099 # include "calculateStress.H" 00100 # include "kineticEnergyLimiter.H" 00101 00102 Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s" 00103 << " ClockTime = " << runTime.elapsedClockTime() << " s" 00104 << nl << endl; 00105 } 00106 00107 Info<< "\n end \n"; 00108 00109 return 0; 00110 } 00111 00112 00113 // ************************ vim: set sw=4 sts=4 et: ************************ //
