Numerical modelling of suffusion by discrete element method: a new internal stability criterion based on mechanical behaviour of eroded soilNadjibou Abdoulaye Hama, Tariq Ouahbi, Said Taibi, Hanène Souli, Jean-Marie Fleureau and Anne PantetEPJ Web Conf., 140 (2017) 10011DOI: https://doi.org/10.1051/epjconf/201714010011