Shallow flow over a bed with a lateral change of roughnessVictor Dupuis, Frédéric Moulin, Sébastien Cazin, Moïse Marchal, Pierre Elyakime, Jean-Dominique Barron and Olivier EiffE3S Web Conf., 40 (2018) 02039DOI: https://doi.org/10.1051/e3sconf/20184002039