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 › Physical to Lattice time › Reply To: Physical to Lattice time August 3, 2021 at 7:54 pm #5885 mathiasKeymaster Because lattice time is an integer value! It must be int, size_T or similar!