New to LBM and OpenLB? Attend our upcoming one-week hands-on Spring School in Heidelberg/Germany in March 2024 OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Problem with defining linear temprature in RayleighBernard2D example › Reply To: Problem with defining linear temprature in RayleighBernard2D example January 3, 2023 at 7:42 pm #7115 mathiasKeymaster What if you half dx and quarter dt? Does it get smaller?