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 › restrictions on number of lattices? › Re: restrictions on number of lattices? October 17, 2017 at 5:33 pm #2740 mathiasKeymaster There is no restriction. The problem must be caused be something else! Best Mathias