Topology optimized design for low-frequency ventilation barrier based on Helmholtz resonator

Lei Xiang, Gongxian Wang, Gang Luo, Wenbo Zou, Jingzheng Hu, School of Mechatronics Engineering, Anhui University of Science and Technology, School of Transportation and Logistics Engineering, Wuhan University of Technology, st Research Laboratory, Wuhan Second Ship Design and Research Institute

Journal of Vibration and Control

Published online on June 07, 2025

Abstract

Journal of Vibration and Control, Ahead of Print.
Efficient attenuation of low-frequency sound (<1000 Hz) while maintaining unrestricted airflow remains a long-standing pursuit in noise control engineering. Here, a ventilation barrier is integrated with a Helmholtz resonator and an open channel. A ...