A DEM study of oedometric compression of model granular materials Initial state influence, stress ratio, elasticity, irreversibility.Mohamed Hassan Khalili, Jean-Noël Roux, Sébastien Brisard, Jean-Michel Pereira and Michel BornertEPJ Web Conf., 140 (2017) 02028DOI: https://doi.org/10.1051/epjconf/201714002028