Wave propagation in meta-sandwich beams

Eshagh Farzaneh Joubaneh; Jihong A. Ma

doi:10.1117/12.2610319

19 April 2022 Wave propagation in meta-sandwich beams

Proceedings Volume 12048, Health Monitoring of Structural and Biological Systems XVI; 120480J (2022) https://doi.org/10.1117/12.2610319
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Abstract

Acoustoelastic metamaterials are widely used as composite cores in sandwich beams. However, discussions on the application of metamaterials in face sheets have been sporadic. In this work, we parametrically explore the dynamic behaviors of sandwich beams with metamaterials as face sheets. In addition to the capability of phonon dispersion modulation using periodic face sheets, the relative positions of top and bottom face sheets can further break their spatial symmetry and thus opens more bandgaps that are not achievable with one-dimensional periodic beams. Our study has implications for the design of sandwich beams to mitigate damages induced by vibrations in various engineering and industrial applications

Conference Presentation

Citation Download Citation

Eshagh Farzaneh Joubaneh and Jihong A. Ma "Wave propagation in meta-sandwich beams", Proc. SPIE 12048, Health Monitoring of Structural and Biological Systems XVI, 120480J (19 April 2022); https://doi.org/10.1117/12.2610319

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