2D modeling of the human ear using the equivalent mechanical impedance Aziz Chahbi, Safaa Assif, Adil Faiz and Abdelowahed Hajjaji Eur. Phys. J. Appl. Phys., 93 2 (2021) 20902 Published online: 09 March 2021 DOI: 10.1051/epjap/2020200226