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Forum: Main CFD Forum

August 10, 2017, 11:36

Replies: 40

Use of k-epsilon and k-omega Models

Views: 204,144

Posted By fredicenci

Yes. You can use lowReynolds wall functions. ...

Yes. You can use lowReynolds wall functions.

Another alternative is to set the values of k,and omega (or epsilon) on the wall. In this case you should use fixedValue.

best,

Fredi Cenci

Forum: Main CFD Forum

February 8, 2017, 14:27

Replies: 40

Use of k-epsilon and k-omega Models

Views: 204,144

Posted By fredicenci

I am simulating a turbulent flow around a 3-D...

I am simulating a turbulent flow around a 3-D cylinder using k-epsilon realizable , I've decided not to use wall functions so I've created a viscous layer and I was using fixedValue with Value...

Forum: Main CFD Forum

February 8, 2017, 11:47

Replies: 40

Use of k-epsilon and k-omega Models

Views: 204,144

Posted By fredicenci

Thanks for your reply, So, on walls where I...

Thanks for your reply,

So, on walls where I do NOT want to use wall functions (y+<1) I should set LowReWallFunction instead fixedValue?

best regards,

Forum: Main CFD Forum

February 8, 2017, 09:09

Replies: 40

Use of k-epsilon and k-omega Models

Views: 204,144

Posted By fredicenci

Dear RLFerreira, Did you get any answer on...

Dear RLFerreira,

Did you get any answer on that? I am trying the same settings to avoid walls functions with Y+ < 1 but the simulation explode...

Thanks

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