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Reply To: Turbulent channel flow: DNS relaminarizes and LES shows wavy flow at finer grid

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› Forums › on OpenLB › General Topics › Turbulent channel flow: DNS relaminarizes and LES shows wavy flow at finer grid › Reply To: Turbulent channel flow: DNS relaminarizes and LES shows wavy flow at finer grid

October 27, 2025 at 1:35 pm #10896
FBukreev
Keymaster

Hi,
BGK at higher resolution should give the turbulent result, because BGK has very low numerical diffusion itself.