Reply To: Can you tell me the reason why my residual for truncated nozzle analysis is not converging?

[Rob]

Could be the mesh (note, good cell quality does not always mean you have a good mesh), initial conditions, boundary settings, transient effects or the solver gods don't like you. The latter is rare, but more likely as you turn more models on without understanding what they do.
Please re-post the images as staff are not permitted to open or download attachments.