Tunable wideband bandstop acoustic filter based on 2D multi-physical phenomena periodic systems

Details Tunable wideband bandstop acoustic filter based on 2D multi-physical phenomena periodic systems Tunable wideband bandstop acoustic filter based on 2D multi-physical phenomena periodic systems

2011-02-08

arxiv.org/abs/1102.1593v1

Physics

Condensed Matter

Materials Science

Scientific paper

The physical properties of a periodic distribution of absorbent resonators is used in this work to design a tunable wideband bandstop acoustic filter. Analytical and numerical simulations as well as experimental validations show that the control of the resonances and the absorption of the scatterers along with their periodic arrangement in air introduces high technological possibilities to control noise. Sound manipulation is perhaps the most obvious application of the structures presented in this work. We apply this methodology to develop a device as an alternative to the conventional acoustic barriers with several properties from the acoustical point of view but also with additional aesthetic and constructive characteristics.

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