Class 3 Error
In transient multiphase mass flow discretization, the lagged transient term in coupled Rhie-Chow is wrong by a factor of density. This affects all transient inhomogeneous flows, with the error greater for smaller timesteps.
There is a coding error in the coding
No workaround is currently available.
ANSYS CFX Release 12.0. A custom executable for ANSYS CFX 11.0 SP1 is available on request.