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Forum: OpenFOAM

August 19, 2009, 08:34

Replies: 7

Calculating the Friction Velocity

Views: 9,321

Posted By cbarry

Thank you :) . It all makes sense now

Thank you :) . It all makes sense now

Forum: OpenFOAM

August 19, 2009, 06:00

Replies: 7

Calculating the Friction Velocity

Views: 9,321

Posted By cbarry

Hi Niels, as far as I can see the current...

Hi Niels,

as far as I can see the current implementation of SST calculates omega in the wall region as follows:

omega= sqrt (k) / (Cmu25 * kappa * y)

When I looked earlier on I couldn't...

Forum: OpenFOAM

August 19, 2009, 05:34

Replies: 7

Calculating the Friction Velocity

Views: 9,321

Posted By cbarry

Thank you very much Niels. I am trying to...

Thank you very much Niels.
I am trying to implement a universal, non-linear wall function. For y+ > 30, i.e. the log layer, I want the wall function to take the following form:

omega = u*/...

Forum: OpenFOAM

August 19, 2009, 03:18

Replies: 7

Calculating the Friction Velocity

Views: 9,321

Posted By cbarry

Calculating the Friction Velocity

Hi everyone,

I'm trying to implement new wall functions for the kOmegaSST model in OpenFOAM 1.5.

There is just one major hurlde I keep coming across. Does anyone know how I can calculate the...

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