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 3:28 am #7214 H.YuParticipant Is the meaning of ‘-nan’ uncalculated or diverged?