Contributions separation prediction for multi-dimensional vibration transmission in the bogie system to metro interior noise

Yunfei Zhang, Li Li, Jinsong Zhou, Qiushi Wang, Shuai Yang, School of Mechanical Engineering, Chongqing Technology and Business University, College of Transportation, Tongji University, Department of Military Traffic Injury Prevention and Control, Daping Hospital, Army Medical University

Journal of Vibration and Control

Published online on December 30, 2025

Abstract

Journal of Vibration and Control, Ahead of Print.
Separation of noise source contributions is critically important for the acoustic performance optimization and design of rail vehicles. This paper establishes a refined multi-component train dynamics model, a broadband noise prediction model, and a wheel–...