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 › Problem about free energy model › Reply To: Problem about free energy model January 27, 2021 at 10:47 am #5457 mathiasKeymaster Yes, that (situation above) are too few fluid nodes. This reply was modified 4 years ago by mathias.