What is it about?
Here is presents an acoustic metamaterial for low-frequency energy control based on labyrinthine tubes periodical. Dispersion relation and ultra-low phase velocity obtain in the structure allow a better undertanding it is behavior. The experimental tests confirm that the metamaterial has a effective sound energy control bellow first bandgap.
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Why is it important?
Because this work contributes to the advances in the field of control and manipulation of low-frequency sound energy through periodic structures
Perspectives
Writing this article was a great pleasure as it has co-authors of great national and international prestige. We hope this article makes help the researchers of the area advance more about the topic.
GILDEAN ALMEIDA
Federal University of Santa Catarina
Read the Original
This page is a summary of: Metamaterial based on labyrinthine tubes loaded periodically and ultra-low phase velocity to the low-frequency energy control, Applied Physics Letters, August 2023, American Institute of Physics,
DOI: 10.1063/5.0165639.
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