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[HTML][HTML] Observation of maxon-like ultrasound in elastic metabeam
We observe maxon-like dispersion of ultrasonic guided waves in elastic metamaterials
consisting of a rectangular beam and an array of cylindrical resonators. The pillars act as …
consisting of a rectangular beam and an array of cylindrical resonators. The pillars act as …
[HTML][HTML] Evidence of zero group velocity at the lowest dispersion branch through local interactions
Zero group velocity (ZGV) modes can be utilized in many applications in both optics and
acoustics. There exist numerous realizations of metamaterials with ZGVs at higher …
acoustics. There exist numerous realizations of metamaterials with ZGVs at higher …
[HTML][HTML] Enhanced dam** and bandwidth in roton-like dispersion of a beyond nearest neighbor periodic chain
This paper investigates the intriguing roton-like phenomenon occurring in systems with non-
local interactions, wherein a single dispersion curve exhibits positive and negative group …
local interactions, wherein a single dispersion curve exhibits positive and negative group …
The role of frequency and impedance contrasts in bandgap closing and formation patterns of axially-vibrating phononic crystals
M Nouh - Journal of Applied Mechanics, 2024 - asmedigitalcollection.asme.org
Bandgaps, or frequency ranges of forbidden wave propagation, are a hallmark of phononic
crystals (PnCs). Unlike their lattice counterparts, PnCs taking the form of continuous …
crystals (PnCs). Unlike their lattice counterparts, PnCs taking the form of continuous …
Local-to-non-local transition laws for stiffness-tuneable monoatomic chains preserving springs mass
F Guarracino, M Fraldi… - Philosophical …, 2024 - royalsocietypublishing.org
Recently, non-local configurations have been proposed by adding beyond nearest
neighbour couplings among elements in lattices to obtain roton-like dispersion relations and …
neighbour couplings among elements in lattices to obtain roton-like dispersion relations and …
Closed Form Solutions for Wave Propagation in Hexagonal Diatomic Non-Local Mass-Spring Systems
Periodic mass-spring lattices are commonly used to investigate and exemplify the
propagation of waves in elastic systems, including wave localisation and topological …
propagation of waves in elastic systems, including wave localisation and topological …