Advanced Locally Resonant Materials
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Mechanics of Materials".
Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 2512
Special Issue Editor
Interests: MEMS; metamaterials; piezoelectric transduction; energy harvesting; linear and non-linear dynamics; elastic waves
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Metamaterials can be defined as engineered materials characterized by specific physical features that cannot be found—or are barely found—in natural materials. Metamaterials can be successfully applied in different fields, from photonics to acoustics. In the field of mechanics, a special class of metamaterials is represented by locally resonant materials (LRMs), which are periodic media with peculiar properties in terms of elastic wave propagation. In those materials, the presence of inclusions or suitably designed substructures gives rise to local resonance phenomena, with the final effect of achieving special dispersion spectrum. In many cases, LRMs show bandgaps—namely, frequency regions in which the propagation of elastic waves is inhibited. The applications of LRMs are abundant and varied: vibration attenuation, elastic or acoustic waveguides, protection against seismic waves, acoustic insulation, noise suppression, acoustic cloacking, acoustic superlenses, negative refraction, energy harvesting, and many more. The present Special Issue aims to collect contributions at the cutting edge of technology for LRMs, with a focus on (but not limited to): connection between design and desired properties; special applications; innovative materials; effects of nonlinear vibration; analyses in the presence of defects. Experimental and numerical works are welcome, as well as theoretical contributions, e.g., on the asymptotic behavior of LRMs.
Prof. Raffaele Ardito
Guest Editor
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Keywords
- metamaterials
- elastic waves
- acoustics
- local resonance
- periodic media
- linear and nonlinear dynamics
- computational mechanics
- experimental techniques
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