|
[Sponsors] |
Turbulent viscosity message with rotating blade simulation |
|
LinkBack | Thread Tools | Search this Thread | Display Modes |
April 17, 2010, 11:40 |
Turbulent viscosity message with rotating blade simulation
|
#1 |
Senior Member
Stuart
Join Date: Jul 2009
Location: Portsmouth, England
Posts: 740
Rep Power: 26 |
Hi,
I'm trying to simulate a rotating blade (hovering helicopter with two rotors) with the density based solver, standard k-epsilon model and air ideal gas (sutherland viscosity). But no matter what I try I'm always getting the message "turbulent viscosity limited to viscosity ratio of 1.000000e+005 in __ cells" after each iteration. Every attempt I've made at simulating this flowfield shows divergent residuals (except the k and epsilon residuals). The domain is a half cylinder with the periodic boundary condition on the plane that is through the centre of the cylinder. By simulating half the cylinder with a single rotor in it saves mesh size. Can anyone suggest what to do to get this working? I've worked through tutorials 8 & 9, but like all most tutorials failure always occurs for any slightly different non-tutorial simulation. Thanks. |
|
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
turbulent viscosity in k-e model | orlik | Fluent UDF and Scheme Programming | 1 | July 19, 2017 13:27 |
ROTATING TURBINE BLADE SIMULATION | Anant | FLUENT | 2 | March 31, 2011 11:57 |
User-defined turbulent viscosity - kinematic or dynamic? | tstorm | FLUENT | 0 | August 13, 2009 17:49 |
setting value of turbulent intensity and turbulent viscosity ratio in wind tunnel | nuimlabib | Main CFD Forum | 0 | August 4, 2009 01:05 |
effective? turbulent? laminar? viscosity | MIssNancy | FLUENT | 3 | December 3, 2002 00:53 |