OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Assigning Material Number For A Particle › Reply To: Assigning Material Number For A Particle January 30, 2023 at 9:27 am #7147 mathiasKeymaster Durung the entire week you can speak apout your problem with all of us to get help and further the last half day is reserved for everyone discussing and working on their own problem. Mathias