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Forum: FLUENT

March 23, 2009, 08:23

Replies: 3

Y+ value

Views: 2,658

Posted By Micael

I just received your email. May be the...

I just received your email.

May be the viscous (laminar) layer near the walls is thick. It can explain why y+ is so low and why the mesh is too coarse when y+ > 30.

Normally, we use y+ > 30...

Forum: FLUENT

March 20, 2009, 21:22

Replies: 3

Y+ value

Views: 2,658

Posted By Micael

Use standard wall function when y+ > 30 Use...

Use standard wall function when y+ > 30
Use enhanced wall treatment when y+ < 5

y+ < 5 mean yours cells at the wall are in the viscous layer and standard wall function (log law) are not valid...

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