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 › OpenLB › General Topics › cp_ref in phase change modelling › Reply To: cp_ref in phase change modelling May 11, 2023 at 8:19 am #7456 mathiasKeymaster I guess it is a parameter to conrol stability on the cost of accuracy.