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Forum: Main CFD Forum

August 12, 2009, 18:16

Replies: 5

quenstion in transient turbulence modeling

Views: 1,533

Posted By cfdlover

thanks alot for the useful information. i have...

thanks alot for the useful information.
i have the smallest grids in the y direction where there are 215 nodes in 4 cm length. Thus the smallest grid is around 0.19 mm.
cfdlover

Forum: Main CFD Forum

August 12, 2009, 17:04

Replies: 5

quenstion in transient turbulence modeling

Views: 1,533

Posted By cfdlover

thank you. what is "DES"? Also, i have around...

thank you.
what is "DES"?
Also, i have around 10 million nodes in my geometry and the process is very rapid (5-20 seconds). Do you have any idea about the computation time limitation and time step...

Forum: Main CFD Forum

August 6, 2009, 17:23

Replies: 5

quenstion in transient turbulence modeling

Views: 1,533

Posted By cfdlover

quenstion in transient turbulence modeling

hello,
i have found that the RNG k-e model provides best data fit for branching flow under steady state conditions. Is it expected that this model will also give the best fit under transient...

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