OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Slip-free and pressure corner boundary condition › Re: Slip-free and pressure corner boundary condition January 25, 2018 at 5:10 pm #2779 jbMember Cool, i got the fringe region to work. Using the Fringe2D function with SmagorinskyLinearVelocityForcedBGKdynamics is definitely the best option, no speed reduction!