Effective parameters in beam acoustic metamaterials based on energy band structures
发布时间：2025-04-30
点击次数：
- 发布时间：
- 2025-04-30
- 论文名称：
- Effective parameters in beam acoustic metamaterials based on energy band structures
- 发表刊物：
- Modern Physics Letters B
- 摘要：
- We present a method to calculate the e ective material parameters of beam acoustic
metamaterials. The e ective material parameters of a periodic beam are calculated as
an example. The dispersion relations and energy band structures of this beam are cal-
culated. Subsequently, the e ective material parameters of the beam are investigated by
using the energy band structures. Then, the modal analysis and transmission properties
of the beams with nite cells are simulated in order to con rm the correctness of e ec-
tive approximation. The results show that the periodic beam can be equivalent to the
homogeneous beam with dynamic e ective material parameters in passband.
- 合写作者：
- Li Jing, Jiu Hui Wu, Dong Guan, Mingming Hou, Kuan Lu and Li Shen
- 卷号：
- Vol. 30, No. 18
- 页面范围：
- 1650224 (12 pages)
- 是否译文：
- 否
- 发表时间：
- 2016-08-01