OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › airfoil in OpenLB › Re: airfoil in OpenLB June 13, 2017 at 7:44 pm #2644 mathiasKeymaster To prevent the problems with the backflow you may a/ extend the domain or b/ use a fringe zone (there are papers on that, please google). Best Mathias