Non-local rheology of dense granular flows Mehdi Bouzid, Martin Trulsson, Adrien Izzet, Adeline Favier de Coulomb, Philippe Claudin, Eric Clément and Bruno Andreotti EPJ Web Conf., 140 (2017) 11013 Published online: 30 June 2017 DOI: 10.1051/epjconf/201714011013