Ducted fan modeling
 

Does any body know about ducted fan modeling with fluent?
I am modeling a ductedfan in gambit my nodes is 5mil after reading in parallel fluent it looklike:
999999 (..\..\src\mpsystem.c@1123): mpt_read: failed: errno = 10054
what should I have done for this error
and what is refference area in hovering (inlet velocity = 0)?