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Auto Wall with Turbulence wall type set to None

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Hello everyone, 

I want to do a CFD Simulation without a Wall-Function. The Turbulence wall type is set to None, but I don't know what the ''Activate Auto Wall'' does. 

Can anyone tell me what it does? I've added a screen shot of the boundary condition settings.

BC.JPG

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Hi,

When interfaces are located within the CFD domain for mesh motion applications, auto_wall will automatically split interface surfaces, create the interface surface mechanism with gap and gap_factor appropriately and assign the boundary conditions.

Attached is the help document for your reference.

Thank you

SIMPLE_BOUNDARY_CONDITION.pdf

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