Integrated analysis of bandgap optimization regulation and wave propagation mechanism of hexagonal multi-ligament derived structures

X Li, S Cheng, H Yang, Q Yan, B Wang, Y Xin… - European Journal of …, 2023 - Elsevier
In this paper, a new class of multi-ligament derived structures is proposed. Based on the
finite element method and Bloch's theorem, the bandgap characteristics and transmission …

[HTML][HTML] Ultra-low-frequency multi-broadband and vibration suppression mechanism of innovative star-shaped hybrid metamaterials

H Yang, S Cheng, X Li, Q Yan, B Wang, Y Xin, Y Sun… - Materials & Design, 2023 - Elsevier
Metamaterials with low-frequency band gap have always been the focus of research. For
this reason, many researchers have proposed many structural design schemes. In this …

[HTML][HTML] Design of novel two-dimensional single-phase chiral phononic crystal assembly structures and study of bandgap mechanism

X Li, S Cheng, R Wang, Q Yan, B Wang, Y Sun, H Yan… - Results in Physics, 2023 - Elsevier
In this paper, novel two-dimensional single-phase three-ligament, four-ligament and six-
ligament chiral structure models are proposed. The advantage is that it is easy to …

[HTML][HTML] Optimization of vibration characteristics and directional propagation of plane waves in branching ligament structures of wind models

X Li, S Cheng, H Yang, Q Yan, B Wang, Y Sun, Q Ding… - Results in Physics, 2023 - Elsevier
To achieve multi-frequency vibration suppression and wave propagation modulation, eight
branching ligament structures for wind models are proposed. Using lattice theory, dynamical …

Multi-frequency band gap and active frequency modulation of snowflake-like convex horn ligament structure

S Cheng, X Li, Y Wang, B Wang, Y Sun, Q Yan… - European Journal of …, 2023 - Elsevier
In order to realize the vibration reduction and sound insulation within the recognizable
frequency of human ear within 20000 Hz, this paper proposes a new type of multi-functional …

Propagation mechanism of low-frequency elastic waves and vibrations in a new tetragonal hybrid metamaterial

H Yang, S Cheng, X Li, Q Yan, B Wang, Y Xin… - International Journal of …, 2023 - Elsevier
In order to achieve low-frequency vibration and noise reduction, artificial metamaterial with
great potential in this field have been widely found. Based on previous studies, a new …

[HTML][HTML] Evaluation of the seismic response of frames implemented with metamaterials

DH Helmy, H El Arabaty, M Nour, L Placidi… - Results in …, 2023 - Elsevier
This research aims at introducing a new idea in the design of frames to eliminate or
suppress the transmission of waves through the structure in a certain designated range of …

Analysis of vibration and noise reduction performance of 3D flower-shaped resonance structure with low-frequency bandgap

X Li, S Cheng, J Li, Y Sun, S Wang, Y Xin, Q Yan… - Physica B: Condensed …, 2024 - Elsevier
In this paper, two single-phase acoustic metamaterials that can produce localized
resonance effects are proposed. Dispersion curves and vibrational modes of each structure …

Bandgap tuning and in-plane wave propagation of chiral and anti-chiral hybrid metamaterials with assembled six oscillators

X Li, S Cheng, H Yang, Q Yan, B Wang, Y Sun… - Physica A: Statistical …, 2023 - Elsevier
In this paper, a hybrid acoustic metamaterial consisting of chiral and anti-chiral ligaments is
proposed. The bandgap properties of the hybrid chiral and anti-chiral structure with and …

Study on the bandgap and directional wave propagation mechanism of novel auxiliary semicircle rings lattices

H Yang, S Cheng, X Li, Q Yan, B Wang, Y Xin… - Materials Today …, 2023 - Elsevier
In this study, a novel auxiliary semicircle rings lattice is proposed, and the proposed
structure consists of connecting ligaments and auxiliary semicircle rings on ligaments. The …