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Forum: Mesh Generation & Pre-Processing

June 12, 2017, 04:51

Replies: 5

NACA4415 Airfoil / Y+ Value Lift'n'Drag

Views: 1,177

Posted By colinda1

When you write "wall condition" do you mean wall...

When you write "wall condition" do you mean wall boundary condition?

A wall function is different: in the viscous sublayer it allows to approximate the boundary layer by a function instead of...

Forum: Mesh Generation & Pre-Processing

June 12, 2017, 02:22

Replies: 5

NACA4415 Airfoil / Y+ Value Lift'n'Drag

Views: 1,177

Posted By colinda1

Indeed for a correct drag prediction it is...

Indeed for a correct drag prediction it is important to have low y+ values IF you use a turbulence model without wall functions. But be careful; it is not the only thing that is important. Very often...

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