Optimization of nonlinear energy sinks for broadband vibration suppression in marine propulsion systems

Jianing Wang, Wei Dai, Tianyun Li, Xiang Zhu, Weiye Xu, Sijie Xiong, School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Hubei Key Laboratory of Naval Architecture and Ocean Engineering Hydrodynamics, Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Department of Advanced Information Technology, Graduate School of Information Science and Electrical Engineering, Kyushu University

Journal of Vibration and Control

Published online on January 06, 2026

Abstract

Journal of Vibration and Control, Ahead of Print.
This study presents an optimization methodology for nonlinear energy sinks (NES) aimed at attenuating longitudinal vibration in marine propulsion systems. A cubic-stiffness NES model integrated with propulsion dynamics was validated through the harmonic ...