Acoustic metamaterial plates with grid-stiffened surfaces for mid-to-low frequency sound insulation

Siwen Zhang, Liang Yang, Bingjun Liu, Fuyin Ma, Jianghua Fu, Xiao Liang, Xiao Xiang, Xianneng Luo, State Key Laboratory of Intelligent Vehicle Safety Technology, Chongqing Changan Automobile Co, School of Mechanical Engineering, an Jiaotong University, School of Vehicle Engineering, Chongqing University of Technology, School of Mechanical Engineering, Xiangtan University

Journal of Vibration and Control

Published online on March 12, 2026

Abstract

Journal of Vibration and Control, Ahead of Print.
A type of acoustic metamaterial plates with grid-stiffened surfaces is proposed, and its mid-to-low frequency sound insulation performance is investigated theoretically, numerically and experimentally in this paper. A key contribution is the introduction ...