SIMPLEC vs. PISO
 

Hello,

I'm running a steady state incompressible turbulent flow problem and decided to try PISO instead of SIMPLEC and discovered that the oscillations in the residuals were reduced. Is there anybody that can support the conclusion that PISO might be more suitable for this kind of problem? (PISO was originally developed for transient compressible flow)

Regards

Andreas

for turbulent flows dont use simplec , use simple or coupled, u may get faster convergence it that

Way to go, posting in a 9½ year old thread....

Especially one which has not applied to CFX for over 5 years. This post must be referring to CFX4 as CFX5/11/12 does not have SIMPLEC or PISO.

oops, i dint saw the date, sorry, hhahahaha,

well till 9 i think there is simple and piso