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Showing results 1 to 7 of 7 Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX January 31, 2014, 06:14

Replies: 15 convergenceof natural convection prob. in cfx Views: 4,751 Posted By ghorrocks So isn't your examiner saying you should model it... So isn't your examiner saying you should model it with a turbulence model? That seems to obvious next step.

Forum: CFX January 31, 2014, 05:12

Replies: 15 convergenceof natural convection prob. in cfx Views: 4,751 Posted By ghorrocks It is probably turbulent due to the Rayleigh... It is probably turbulent due to the Rayleigh number. But you should check that as well, you might have a laminar core and turbulent boundary layers.

Forum: CFX January 31, 2014, 03:41

Replies: 15 convergenceof natural convection prob. in cfx Views: 4,751 Posted By ghorrocks The best thing to do is simply run a few... The best thing to do is simply run a few turbulence models and see which works the best. Also try a few of the options, such as the buoyant flows turbulence options (I think k-e has this, SST might...

Forum: CFX July 13, 2013, 07:22

Replies: 15 convergenceof natural convection prob. in cfx Views: 4,751 Posted By ghorrocks The link I posted talked about a lot more than... The link I posted talked about a lot more than just larger time steps. Have you read the other things it talks about as well?

Forum: CFX July 7, 2013, 08:06

Replies: 15 convergenceof natural convection prob. in cfx Views: 4,751 Posted By ghorrocks OK, I see. Have you read the FAQ link I... OK, I see. Have you read the FAQ link I posted? This talks about the exact question you are asking.

Forum: CFX July 7, 2013, 07:32

Replies: 15 convergenceof natural convection prob. in cfx Views: 4,751 Posted By ghorrocks Can you post an image of the temperature cross... Can you post an image of the temperature cross section you are getting, and what you expect to get?

Forum: CFX July 7, 2013, 06:15

Replies: 15 convergenceof natural convection prob. in cfx Views: 4,751 Posted By ghorrocks The lack of convergence is an FAQ:... The lack of convergence is an FAQ: http://www.cfd-online.com/Wiki/Ansys_FAQ#My_steady_state_solution_converges_for_a_while_but_stops_converging_before_reaching_my_convergence_criteria Why are you...

Showing results 1 to 7 of 7

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