Improvement of sound absorption and insulation using a double-layer metamaterial
Improvement of sound absorption and insulation using a double-layer metamaterial (DM) in the acoustic free field is proposed in the present paper. The front layer of the DM is composed of a flexible micro-perforated plate with periodic local resonators, the backing layer is a flexible plate attached...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
AIP Publishing LLC
2020-09-01
|
| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/5.0017618 |