How to install OpenFOAM3+ on Ubuntu 16

1. Compilers (default): gcc and openmpi
2. Go to home directory and make "OpenFOAM" directory
   • cd
   • mkdir -p OpenFOAM
   • cd OpenFOAM
3. Download: OpenFOAM-v3.0+.tgz HERE
4. Unzip
   • tar -xzf OpenFOAM-v3.0+.tgz
   • cd OpenFOAM-v3.0+
5. Disable graphics compiling part
   1. Open
      • vi src/postProcessing/functionObjects/Allwmake
   2. Comment out the last line
      • # ./graphics/Allwmake
6. Take care of conflict due to flex++ version
   1. Open the following files
      1. $WM_PROJECT_DIR/src/triSurface/triSurface/interfaces/STL/readSTLASCII.L
      2. $WM_PROJECT_DIR/applications/utilities/mesh/conversion/gambitToFoam/gambitToFoam.L
      3. $WM_PROJECT_DIR/applications/utilities/mesh/conversion/fluent3DMeshToFoam/fluent3DMeshToFoam.L
      4. $WM_PROJECT_DIR/applications/utilities/mesh/conversion/fluentMeshToFoam/fluentMeshToFoam.L
      5. $WM_PROJECT_DIR/applications/utilities/mesh/conversion/ansysToFoam/ansysToFoam.L
   2. Make change
      • from
        • #if YY_FLEX_SUBMINOR_VERSION < 34
        • extern "C" int yywrap()
        • #else
        • int yyFlexLexer::yywrap()
        • #endif
      • to
        • // #if YY_FLEX_SUBMINOR_VERSION < 34
        • // extern "C" int yywrap()
        • // #else
        • int yyFlexLexer::yywrap()
        • // #endif
7. Set up compiling environment
   • source OpenFOAM/OpenFOAM-v3.0+/etc/bashrc
   • echo " alias of30plus='source OpenFOAM/OpenFOAM-v3.0+/etc/bashrc'" >> $HOME/.bahsrc
8. Compile
   • ./Allwmake