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 › Validating Lid-driven cavity with High RE number › Reply To: Validating Lid-driven cavity with High RE number August 26, 2024 at 7:30 am #9152 AdrianKeymaster Did you follow my other suggestion?. The relaxation time is also very critical for the time to solution.