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 OpenLB › General Topics › porous medium simulation issue › Reply To: porous medium simulation issue July 24, 2024 at 8:40 pm #8996 nipinlParticipant Did you try reducing your pressure drop? the last argument?