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Forum: Main CFD Forum

October 7, 2016, 14:16

Replies: 3

How to calculate the non-dimensional cell size Δx⁺

Views: 1,303

Posted By FMDenaro

is the local mesh size in each direction

is the local mesh size in each direction

Forum: Main CFD Forum

October 7, 2016, 03:31

Replies: 3

How to calculate the non-dimensional cell size Δx⁺

Views: 1,303

Posted By FMDenaro

Δx⁺=U_tau*Δx*(L/L)/nu = Re_tau* Δx/L ...

Δx⁺=U_tau*Δx*(L/L)/nu = Re_tau* Δx/L

Therefore, multiply the Re_tau value for all your non-dimensional grid sizes

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