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Forum: Main CFD Forum

October 7, 2016, 12:16

Replies: 3

How to calculate the non-dimensional cell size Δx⁺

Views: 1,302

Posted By Mirage

Thank you ! How can we calculate Δx? is Δx...

Thank you !

How can we calculate Δx? is Δx a global mesh variable or should I define Δx for each block?

Forum: Main CFD Forum

October 6, 2016, 21:17

Replies: 3

How to calculate the non-dimensional cell size Δx⁺

Views: 1,302

Posted By Mirage

How to calculate the non-dimensional cell size Δx⁺

I am trying to understand how to calculate the non-dimensional cell size Δx⁺.
According to many books and papers, you calculate with the following formula :

Δx⁺=U_tau*Δx/nu, with nu is the...

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