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 22, 2024 at 10:06 am #9135 mathiasKeymaster For 18,000, I guess you need much higher resulutions to map the boundray layer.