OpenLB – Open Source Lattice Boltzmann Code › Forums › on Lattice Boltzmann Methods › General Topics › Glitches around cylinder boundary layer › Re: Glitches around cylinder boundary layer July 24, 2018 at 8:50 am #2901 MarcParticipant Hey Eric, try to use instead of the bouzidi boundary condition the bounce back condition. Furthermore you can use a LES turbulence model SmagorinskyBGK or SmagorinskyMRT to avoid very high resolutions. Best Marc