OpenLB – Open Source Lattice Boltzmann Code › Forums › on Lattice Boltzmann Methods › General Topics › In which operation should I apply the Bounce back conditions ? › Re: In which operation should I apply the Bounce back conditions ? August 25, 2012 at 3:18 pm #2075 BoltMember Thank you so much Mathias,rnWhen I applied the BB conditions for the Hydrodynamic field,rnThe streamlines that I have finded are not good,rnEspecially, near the obstacle like a thick line (perturbation),rnCould you tell me why, please