3D printed metamaterial design to focus wave energy in thin plates

Minoo Kabir, Margaret G. Allen, Didem Ozevin

    Research output: ResearchConference contribution

    • 1 Citations

    Abstract

    Acoustic metamaterials are periodic and composite structures that can block, direct and strengthen propagating elastic waves. They are periodic elastic composites made of two or more materials with different elastic properties. The periodic structure can exhibit certain band gaps that are used to manipulate wave field. In this research, the periodic and composite structure is made of aluminum plate and rubber cylinders manufactured using 3D printing. The ability to block and redirect elastic waves is numerically and experimentally demonstrated. Wave field focusing reduces the wave attenuation, which allows increasing the distance of acoustic sensors for damage detection in large-scale structures.

    LanguageEnglish (US)
    Title of host publicationNondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017
    PublisherSPIE
    Volume10169
    ISBN (Electronic)9781510608238
    DOIs
    StatePublished - 2017
    EventConference on Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XI 2017 - Portland, United States
    Duration: Mar 26 2017Mar 29 2017

    Other

    OtherConference on Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XI 2017
    CountryUnited States
    CityPortland
    Period3/26/173/29/17

    Fingerprint

    Metamaterials
    Periodic Structures
    Thin Plate
    Energy
    Design
    thin plates
    composite structures
    elastic waves
    acoustics
    energy
    Periodic structures
    Composite Structures
    Elastic Waves
    Acoustics
    Elastic waves
    Composite structures
    wave attenuation
    rubber
    printing
    elastic properties

    Keywords

    • Acoustic emission
    • COMSOL
    • Phononic crystal
    • Waveguiding

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering

    Cite this

    Kabir, M., Allen, M. G., & Ozevin, D. (2017). 3D printed metamaterial design to focus wave energy in thin plates. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017 (Vol. 10169). [101691I] SPIE. DOI: 10.1117/12.2261348

    3D printed metamaterial design to focus wave energy in thin plates. / Kabir, Minoo; Allen, Margaret G.; Ozevin, Didem.

    Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017. Vol. 10169 SPIE, 2017. 101691I.

    Research output: ResearchConference contribution

    Kabir, M, Allen, MG & Ozevin, D 2017, 3D printed metamaterial design to focus wave energy in thin plates. in Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017. vol. 10169, 101691I, SPIE, Conference on Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XI 2017, Portland, United States, 3/26/17. DOI: 10.1117/12.2261348
    Kabir M, Allen MG, Ozevin D. 3D printed metamaterial design to focus wave energy in thin plates. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017. Vol. 10169. SPIE. 2017. 101691I. Available from, DOI: 10.1117/12.2261348
    Kabir, Minoo ; Allen, Margaret G. ; Ozevin, Didem. / 3D printed metamaterial design to focus wave energy in thin plates. Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017. Vol. 10169 SPIE, 2017.
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