Assessment of a substructuring model and dynamic characterization of anti-vibrating mounts

In various fields of mechanical engineering, the integration of different components is becoming increasingly important. In this article, the dynamic integration of substructures including rubber mounts is addressed. The aim of substructuring analysis is to obtain the dynamic structural behavior of complex structures by dividing them into smaller and simpler substructures. At the vibrational level, the coupling of substructures in presence of a non-linear component can lead to variations in the overall system dynamics due to both filtering and amplification phenomena of vibrational sources. It is not always possible to correctly estimate such phenomena due to the failure in estimating the stiffness and damping values of the vibration mount in function of frequency. The realization of a substructure model is presented: the goal of the proposed analysis is to derive the dynamic behavior of the overall system starting from the knowledge of the different simple subsystems: in particular, the dynamic characterization of anti-vibrating mounts is specifically addressed.