An analysis of band gap characteristics of metamaterial plates with dual helix cells
Wide band gaps with the propagation of elastic waves at low-frequency are desirable for
phononic crystals in many traditional and novel applications. Inspired by the natural helix …
phononic crystals in many traditional and novel applications. Inspired by the natural helix …
[HTML][HTML] Design and validation of metamaterials for multiple structural stop bands in waveguides
Environmental and economic requirements lead to a constantly increasing application of
lightweight designs. Fulfilling the conflicting goals of favorable noise and vibrational …
lightweight designs. Fulfilling the conflicting goals of favorable noise and vibrational …
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 …
Wave propagation in one-dimensional nonlinear acoustic metamaterials
The propagation of waves in nonlinear acoustic metamaterial (NAM) is fundamentally
different from that in conventional linear ones. In this article we consider two one …
different from that in conventional linear ones. In this article we consider two one …
Ultra-broadband gaps of a triple-gradient phononic acoustic black hole beam
Y Bao, Z Yao, Y Zhang, X Hu, X Liu, Y Shan… - International Journal of …, 2024 - Elsevier
Drawing on the principles of energy convergence and local resonance, the acoustic black
hole (ABH) emerges as a promising unit cell within phononic crystals (PCs). It has the …
hole (ABH) emerges as a promising unit cell within phononic crystals (PCs). It has the …
Designing phononic crystals with wide and robust band gaps
Phononic crystals (PnCs) engineered to manipulate and control the propagation of
mechanical waves have enabled the design of a range of novel devices, such as …
mechanical waves have enabled the design of a range of novel devices, such as …
Bandgap engineering of three-dimensional phononic crystals in a simple cubic lattice
F Lucklum, MJ Vellekoop - Applied Physics Letters, 2018 - pubs.aip.org
In this work, we present a comprehensive theoretical and experimental study of three-
dimensional phononic crystals arranged in a simple cubic lattice. The band structure is …
dimensional phononic crystals arranged in a simple cubic lattice. The band structure is …
[HTML][HTML] Mathematical modeling and analysis of a meta-plate for very low-frequency band gap
Aiming to attenuate very low-frequency flexural wave in a thin plate, this paper proposes a
meta-plate model by periodically attaching high-static-low-dynamic-stiffness (HSLDS) …
meta-plate model by periodically attaching high-static-low-dynamic-stiffness (HSLDS) …
Theoretical and experimental investigation of flexural wave propagation in straight beams with periodic structures: Application to a vibration isolation structure
A periodic binary straight beam with different cross sections is constructed and studied. The
band structures of flexural waves in the structure are calculated with the plane-wave …
band structures of flexural waves in the structure are calculated with the plane-wave …
[HTML][HTML] Design, analysis and experimental investigation of three-dimensional structures with inertial amplification induced vibration stop bands
Abstract Three-dimensional (3D) phononic band gap structures are formed using identical
inertial amplification mechanisms. The resonance and antiresonance frequencies that …
inertial amplification mechanisms. The resonance and antiresonance frequencies that …