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 › Lattice Boltzmann Methods › General Topics › Getting velocity distributions. › Reply To: Getting velocity distributions. December 31, 2023 at 4:24 pm #8104 avrachan1Participant got it! You can edit the populations at each cell using, sLattice.definePopulations(…);