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 › GSL – GNU Scientific Library › Reply To: GSL – GNU Scientific Library October 26, 2020 at 10:35 am #5250 stephanModerator Dear Junwei, I am glad that it works. Thanks for letting me know how you did it! BR Stephan