OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › shanChenForcedPostProcessor2D › Reply To: shanChenForcedPostProcessor2D June 17, 2021 at 8:49 am #5729 mathiasKeymaster It scales the desity to e.g. physical units while the computation always uses lattice units where who is scaled to rho.