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 › backflow fault in the “Setadvectiondiffusionconvectionboundary” › Reply To: backflow fault in the “Setadvectiondiffusionconvectionboundary” August 30, 2021 at 3:15 pm #5943 POSThuParticipant The image links are https://ibb.co/9ywgXDD https://ibb.co/sH0Zr3h Thank you.