[narendra]

hi everybody,
I am running a simulation on axial flow fan of 6 blades in hollow cylinder as working domain. i have used a enoung long domain upsteam and downstream the fan, and have done unstucured tetra mesh in ICEM . but when i read a mesh file in Fluent , it doesnot iterate for a single iteration ,, and display warning message " reversed flow in 140 faces on pressure outlet" and then after sometimes displays " null point error"
please anybody help me,,,,

my email id : narendrame@gmail.com