Mathematical Modeling of Vibration Dampers of Vibration-Insulated Structures Evgeny Sosenushkin, Oksana Ivanova, Elena Yanovskaya and Yuliya Vinogradova EPJ Web Conf., 248 (2021) 02009 Published online: 26 April 2021 DOI: 10.1051/epjconf/202124802009