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Forum: Main CFD Forum November 18, 2023, 13:32
Replies: 12
Views: 443
Posted By bb82
The whole talk arises from this: whether I miss a...

The whole talk arises from this: whether I miss a lot by considering mean velocity and not taking into account turbulent stresses!
Forum: Main CFD Forum November 18, 2023, 13:22
Replies: 12
Views: 443
Posted By bb82
Thanks for your hint.With respect to the original...

Thanks for your hint.With respect to the original goal and to CFX solution data, is it possible to evaluate shear stress in any point of the domain? (i.e. not just on wall boundaries)
Forum: Main CFD Forum November 18, 2023, 12:29
Replies: 12
Views: 443
Posted By bb82
Hi Dr. Denaro I'm aware of the fact that any...

Hi Dr. Denaro
I'm aware of the fact that any eddy viscosity-based model does not aim at deriving the six individual components of the Reyonlds tensor, but I was thinking of using the equation above...
Forum: Main CFD Forum November 18, 2023, 06:19
Replies: 12
Views: 443
Posted By bb82
My goal here would be to try and reconstruct the...

My goal here would be to try and reconstruct the entire stress tensor, as I need to calculate the shear stress on non-wall surfaces.
I implemented the formula I posted earlier in the thread and...
Forum: Main CFD Forum November 17, 2023, 04:01
Replies: 12
Views: 443
Posted By bb82
Hi Babyjons I just thought the six "Velocity...

Hi Babyjons

I just thought the six "Velocity Correlation" were the components of the Reynolds Stress Tensor <u'u'>, hence the misunderstanding.
On the other hand, the k-omega SST does not solve...
Forum: Main CFD Forum November 16, 2023, 12:30
Replies: 12
Views: 443
Posted By bb82
Turbulence Kinetic Energy vs Velocity Correlation

Dear colleagues and CFD experts
Can anybody help me understanding the difference between the following quantities, which I thought should have been the same thing :P :
1. Turbulence Kinetic Energy...
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