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Three-dimensional single-phase elastic metamaterial for low-frequency and broadband vibration mitigation
Elastic metamaterials with local resonance bandgaps are promising for low-frequency
vibration mitigation. However, such locally resonant metamaterials inherently possess …
vibration mitigation. However, such locally resonant metamaterials inherently possess …
Quasi-periodic sonic black hole with low-frequency acoustic and elastic bandgaps
Metamaterials with the capability to control wave propagation in fluid or solid mediums have
attracted plenty of fundamental scientific and engineering research in recent decades. This …
attracted plenty of fundamental scientific and engineering research in recent decades. This …
Elastically anisotropic architected metamaterials with enhanced energy absorption
Materials and structures featuring a combination of high stiffness, strength, and energy
absorption are highly demanded. Current studies are focused on the improvement of these …
absorption are highly demanded. Current studies are focused on the improvement of these …
Tailoring 3D printed graded architected polymer foams for enhanced energy absorption
Graded material design strategy has been exploited to achieve enhanced mechanical
performance compared to their uniform counterpart. Using a combined numerical and …
performance compared to their uniform counterpart. Using a combined numerical and …
Metamaterials for simultaneous acoustic and elastic bandgaps
In this work, we present a single low-profile metamaterial that provides bandgaps of acoustic
and elastic waves at the same time. This was done by ensuring impedance mismatch in two …
and elastic waves at the same time. This was done by ensuring impedance mismatch in two …
3D printed architected hollow sphere foams with low-frequency phononic band gaps
We experimentally and numerically investigate elastic wave propagation in a class of
lightweight architected materials composed of hollow spheres and binders. Elastic wave …
lightweight architected materials composed of hollow spheres and binders. Elastic wave …
Phononic band gaps by inertial amplification mechanisms in periodic composite sandwich beam with lattice truss cores
J Li, P Yang, S Li - Composite Structures, 2020 - Elsevier
In order to acquire multiple and wider stop bands in periodic sandwich lattice, this work
applies the inertial amplification mechanisms to the composite sandwich beam with …
applies the inertial amplification mechanisms to the composite sandwich beam with …
[HTML][HTML] Mechanical properties of 3D printed architected polymer foams under large deformation
We report a new type of three-dimensional architected polymer foams composed of
perforated spherical shells and flat strut connectors, which can be precisely produced by 3D …
perforated spherical shells and flat strut connectors, which can be precisely produced by 3D …
Triple tunability of phononic bandgaps for three-dimensional printed hollow sphere lattice metamaterials
Sound and vibration pollution is ubiquitous in urban areas. How to alleviate the pollution has
been concerned because of their broad frequency range. Currently, phononic crystals (PCs) …
been concerned because of their broad frequency range. Currently, phononic crystals (PCs) …
Elastoacoustic wave propagation in a biphasic mechanical metamaterial
Humans are sensitive to air-borne sound as well as to mechanical vibrations propagating in
solids in the frequency range below 20 kHz. Therefore, the development of multifunctional …
solids in the frequency range below 20 kHz. Therefore, the development of multifunctional …