I have a case which presents a hollow cylinder nozzle with two sloping tapping port submerged in the mold. Inlet condition (from the hollow nozzle) is regarded as fixed mass flux. Outlet condition (from the bottom of the mold) is considered as fixed pressure. Because of complex geometry of the nozzle,Fine Grid and PARSOL are used. All condition is simple and I check it many times.But the solution of Flow Field isn't obviously correct. How can I improve the calculation result for the fluid flowing in complex geometry nozzle by other means?

Thank for your kind reply!

If you are a supportd user, send your Q1 (and any geometry files needed) to support@cham.co.uk. They will see what is happening.