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 › OpenLB › General Topics › Particle collision and clogging in porous media › Reply To: Particle collision and clogging in porous media May 15, 2022 at 1:07 pm #6568 at8iParticipant Dear Mathias, Thank you for replying. I will certainly do that. Kind regards, Amir