Physically Realizable Broadband Acoustic Metamaterials with Anisotropic Density-中国期刊网

摘要 Transformationacousticsareconcentratedforthepurposeofdesigningnovelacousticdevicestotailoracousticwavestoachievedesirablecharacteristics.However,thesedevicesrequirefluidorfluid-likematerialswithananisotropicdensitythatgenerallydoesnotexistinnature.Therefore,weintroducepentamodemetamaterialsintoanalternatingmultilayerisotropicmediummodeltobuildfluid-likemetamaterialswithananisotropicdensity.A2Dacousticbendingbasedontransformationacousticsisestablishedandinvestigatedtoverifyourmethod.Thisideaprovidesamethodtodesignbroadbandandphysicallyrealizableacousticmetamaterialswithananisotropicdensityandismeaningfulforthedesignofacousticmetamaterials.

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Physically Realizable Broadband Acoustic Metamaterials with Anisotropic Density

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Physically Realizable Broadband Acoustic Metamaterials with Anisotropic Density

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