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Search: Posts Made By: DoHander
Forum: Main CFD Forum April 23, 2010, 19:58
Replies: 40
Views: 26,580
Posted By DoHander
My answer for mannobot was about using RANS and...

My answer for mannobot was about using RANS and Fluent, and it does matter what software you use, since Fluent (after my knowledge) does not let you use more then 1 turbulence model per simulation...
Forum: Main CFD Forum April 23, 2010, 19:33
Replies: 40
Views: 26,580
Posted By DoHander
You mean you can use 2 or more different...

You mean you can use 2 or more different turbulence models in the same simulation in Fluent ? What version of Fluent are you using ???

Do
Forum: Main CFD Forum April 23, 2010, 18:54
Replies: 40
Views: 26,580
Posted By DoHander
@mannobot - normally you will be able to use 1...

@mannobot - normally you will be able to use 1 turbulence model per simulation.

Do
Forum: Main CFD Forum April 23, 2010, 08:41
Replies: 40
Views: 26,580
Posted By DoHander
@mannobot I see two solutions if you know...

@mannobot

I see two solutions if you know the regions where your flow is turbulent:

1. Geometrically split the calculation domain in more regions, you can do this in Gambit or in your mesh...
Forum: Main CFD Forum April 22, 2010, 08:33
Replies: 40
Views: 26,580
Posted By DoHander
Also in Fluent 12 you have now two transition...

Also in Fluent 12 you have now two transition models, which theoretically will detect automatically the laminar/turbulent regions from your flow.

Do
Forum: Main CFD Forum April 22, 2010, 08:31
Replies: 40
Views: 26,580
Posted By DoHander
Hello, you can obtain a fair approximation...

Hello,

you can obtain a fair approximation for the turbulent/laminar regions in a flow by doing an entirely laminar unsteady calculation and recording the skin friction history, see this for e.g.:...
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