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 › Defining Material Numbers › Reply To: Defining Material Numbers June 17, 2020 at 9:17 pm #5033 michael.gianfeliceParticipant Hello Mathias, Thank you for your quick reply! Where can I access the Doxygen Documentation?