Due to recent bot attacks we have changed the sign-up process. If you want to participate in our forum please send a message via our contact form. › Forums › 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