OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Implementing Surface-directed spinodal decomposition › Reply To: Implementing Surface-directed spinodal decomposition January 18, 2023 at 10:12 am #7125 mathiasKeymaster Usually you just set a particular density for both lattices seperatly but also your idea could be realised in a e.g. new postProcessor.