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Forum: OpenFOAM Running, Solving & CFD

May 18, 2020, 17:16

Replies: 6

Wall-Modeled LES Strange Behavior Near Wall

Views: 917

Posted By HPE

Hi, - " the analytical damping detached...

Hi,

- " the analytical damping detached from numerical predictions of the flow". Sorry my bad.
- What I meant in a very horrible way was that van Driest function is an semi-empirical function...

Forum: OpenFOAM Running, Solving & CFD

May 18, 2020, 16:34

Replies: 6

Wall-Modeled LES Strange Behavior Near Wall

Views: 917

Posted By HPE

Hi, - The y1+ is extremely high. It must be...

Hi,

- The y1+ is extremely high. It must be at least on the order of O(100), preferably ~30 for a zero pressure gradient boundary. I bet whatever deem problematic stems from this.
- van Driest is...

Forum: OpenFOAM Running, Solving & CFD

May 12, 2020, 13:49

Replies: 6

Wall-Modeled LES Strange Behavior Near Wall

Views: 917

Posted By HPE

Hi, - Is it possible for you plot "y+"...

Hi,

- Is it possible for you plot "y+" instead of "y/H" in the vertical direction, please?
- Could you please compute min/max y1+ values for the walls?
- Have you seen the kink in your...

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