Import a mesh generated by I-DEAS or Salome [1] to OpenFOAM.
1. export the UNV file from I-DEAS or Salome (Module Mesh -> File/Export/UNV file)
2. create a new case with foamX: Case Browser -> right click -> Create Case
3. Convert the mesh file to openFoam: $ ideasUnvToFoam <root> <caseName> (Path) <meshFile>
example: ideasUnvToFoam . testunvconvert /home/foam/OpenFOAM/OpenFOAM-1.4.1/applications/utilities/mesh/conversion/ideasUnvToFoam/unv/face_groups_Cubit.unv
A tutorial how to use Salome to generate a mesh for OpenFOAM can be viewed at CAELinux tutorial
Part 1, Geometry modelling in Salome : (PipeGeom2007)
Part 2, Meshing in Salome (PipeMesh2007)
Part 3, CFD analysis in OpenFOAM (PipeOpenFOAM2007)
Note: To use ideasUnvToFoam Converter please read http://openfoam.cfd-online.com/forum/messages/126/5175.html
and get the corrected ideasUnvToFoam.C http://openfoam.cfd-online.com/forum/messages/126/ideasUnvToFoam-6020.unk