Due to recent bot attacks we have changed the sign-up process. If you want to participate in our forum please send a message via our contact form. › Forums › OpenLB › General Topics › LBM turbulence › Reply To: LBM turbulence February 21, 2023 at 3:11 am #7213 H.YuParticipant None of the above, but I already defined it as the Smagorinsky constant 0.1