Papers
Release Time: 2025-04-30Hits:
- Date:2025-04-30
- Title of Paper:Effective parameters in beam acoustic metamaterials based on energy band structures
- Journal:Modern Physics Letters B
- Summary: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. - Co-author:Li Jing, Jiu Hui Wu, Dong Guan, Mingming Hou, Kuan Lu and Li Shen
- Volume:Vol. 30, No. 18
- Page Number:1650224 (12 pages)
- Translation or Not:No
- Date of Publication:2016-08-01
