Installing Pre-Processors for openCFS
openCFS can read various mesh formats. A few selected software choices are given in the following.
Gmsh is an open source 3D finite element mesh generator with a built-in CAD engine and post-processor. It is available for all common operating systems: downloaded or install it directly via your package manager on Linux.
cubit / trelis
Coreform Cubit (formerly trelis) is a powerful mesh generator including geometry modelling and import features. There is a free version available: download and install Coreform Cubit Learn.