A finished project that includes a Fluid Flow (Polyflow Classic) system (FFF), a Mechanical application system (MECH), and parameters (DesignXplorer) might look like this:

The corresponding directory structure would look like this:
Myworkbenchproject_files
dp0
FFF
DM
Fluent
MECH
Post
global
MECH
FFF
SYS
SYS
ENGD
MECH
dpall
global
DX