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 › Multi-GPU with grid refinement in OpenLB 1.8-1 › Reply To: Multi-GPU with grid refinement in OpenLB 1.8-1 November 7, 2025 at 10:32 pm #10935 AdrianKeymaster Good to hear that it works now!