OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Charged gas in neutral gas › Re: Charged gas in neutral gas January 2, 2019 at 6:36 pm #2991 mathiasKeymaster No, static collide will not help you. It collides without updating u. You can look at ConstRhoBRK, that is the one you need. Best Mathias