Chinese Journal of Ship Research, Volume. 18, Issue 2, 90(2023)
Bandgap optimization for chiral acoustic metamaterials based on material selection method
Figures & Tables(8)
![[in Chinese]](/Images/icon/loading.gif){kind=icon}
Table 1. Mechanical properties of metamaterials
View tableView in ArticleTable 1. Mechanical properties of metamaterials
选型材料名称 声速/(m·s−1) 密度/(kg·m−2) 优化前材料 优化后材料 散射体 铅 2 160 11 600 铜 4 726 8 960 铜 钢 5 780 7 850 钢 铝 5 095 2 730 韧带与包覆物 环氧树脂 2 680 1 180 硬橡胶 2 300 1 200 环氧树脂 软橡胶 300 1 300 软橡胶 有机玻璃 1 180 2 680 基体 水 1 480 1 000 水 水
Table 2. Comparison of the optimization results
View tableView in ArticleTable 2. Comparison of the optimization results
参数 初始设计 优化设计 带隙下界频率/Hz 49 362.5 48 314.2 带隙上界频率/Hz 62 277.1 64 815.4 带隙宽度/Hz 12 914.6 16 501.2 胞元质量/kg 0.008 8 0.006 9 归一化系数Ψ 1.000 00 1.149 73
Tools
Get Citation
Copy Citation Text
Luyun CHEN, Xing XIE. Bandgap optimization for chiral acoustic metamaterials based on material selection method[J]. Chinese Journal of Ship Research, 2023, 18(2): 90
Paper Information
Category: Special Topic：Technology for Marine Composite Material Structure
Received: Sep. 10, 2022
Accepted: --
Published Online: Mar. 20, 2025
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20