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

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          Abstract

          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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          Most cited references 22

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          Acoustic band structure of periodic elastic composites.

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            Theory of acoustic band structure of periodic elastic composites

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              Existence of a photonic band gap in two dimensions

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                Author and article information

                Journal
                08 February 2011
                Article
                10.1063/1.3599886
                1102.1593

                http://arxiv.org/licenses/nonexclusive-distrib/1.0/

                Custom metadata
                cond-mat.mtrl-sci physics.flu-dyn

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