New to LBM and OpenLB? Attend our upcoming one-week hands-on Spring School in Marseille/France from 19.05.2025 – 23.05.2025. 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 16, 2012 at 6:37 am #2067 mathiasKeymaster Dear Bolt,rnrn I would include it in the stream step.rnrnMathias