Low-frequency sound absorption of a metamaterial with symmetrical-coiled-up spaces
Gildean do N. Almeida, Erasmo Felipe Vergara, Leandro Rodrigues Barbosa, Ricardo Brum
Topics & Concepts
MetamaterialAcousticsMaterials scienceAbsorption (acoustics)Noise reduction coefficientBandwidth (computing)Metamaterial absorberAcoustic impedanceLow frequencyScale modelFinite element methodAttenuation coefficientPosition (finance)Sound energyElectrical impedanceTube (container)OpticsSound (geography)PhysicsComputer scienceTunable metamaterialsUltrasonic sensorEngineeringOptoelectronicsComposite materialStructural engineeringTelecommunicationsPorosityEconomicsFinanceQuantum mechanicsAerospace engineeringAcoustic Wave Phenomena ResearchNoise Effects and ManagementVehicle Noise and Vibration Control