Unstructured meshes utils

• Unstructured meshes are supported from FLUKA v4-5.0 onward. Please have a look at our general guide on the matter here.

• A necessary pre-requisite is the conversion of your CAD geometries into an unstructured mesh format which can be digested by FLUKA.
  While a range of open-source and commercial tools is available to perform such a conversion (such as Ansys), we provide a script to help you convert your CAD geometry and trouble-shoot potential issues. The script directly makes use of open-source tools. It is available for download in the geom_mesh_utils package below, along with a set of geometries examples.
  Download: geom_mesh_utils.tar.gz