Dispersion behavior of a hybrid phononic resonator

D. DePauw; H. Al Ba'ba'a; M. Nouh

doi:10.1117/12.2296656

27 March 2018 Dispersion behavior of a hybrid phononic resonator

D. DePauw, H. Al Ba'ba'a, M. Nouh

Proceedings Volume 10600, Health Monitoring of Structural and Biological Systems XII; 1060014 (2018) https://doi.org/10.1117/12.2296656
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

Abstract

Considerable research attention has been recently devoted to the study of periodic structures given their unique wave dispersion. Phononic crystals and acoustic metamaterials have emerged as two main categories of such periodic structures that can exhibit radically different band gap characteristics. Here, we present a novel configuration that combines hybrid wave attenuation attributes culminating in enhanced metadamping and energy dissipation properties. The results are compared with a benchmark example from literature to show the potential of the new design.

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D. DePauw, H. Al Ba'ba'a, and M. Nouh "Dispersion behavior of a hybrid phononic resonator", Proc. SPIE 10600, Health Monitoring of Structural and Biological Systems XII, 1060014 (27 March 2018); https://doi.org/10.1117/12.2296656

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KEYWORDS

Resonators

Acoustics

Dispersion

Metamaterials

Wave propagation

Systems modeling

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