Check this picture. It should be implemented in Creo 6 (maybe 22.214.171.124.)
It is possible in Creo 126.96.36.199. , but you need a special update Simerics file.
Please wait for Creo 188.8.131.52 or contact PTC support.
Refer to technical article https://www.ptc.com/en/support/article?n=CS311282,
Flow analysis Wizard will be added into Creo 4.0 M120 and Creo 184.108.40.206