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 › External force in periodical boundary conditions › Re: External force in periodical boundary conditions January 3, 2019 at 8:12 pm #2994 mathiasKeymaster Please use the indicator interface, see e.g. the poiseuille example.
