Results 51 to 60 of about 3,581 (229)
Development of a metamaterial based acoustic energy harvester [PDF]
, 2023 Akustik metamalzemeler, akustik dalgaları yönlendirme ve manipüle etme konusunda sıradışı özellikleri olan yapay malzemelerdir. Lokal rezonans akustik metamalzeme, ince bir levha üzerinde kütle-yay şeklinde periyodik olarak dizilmiş bir dizi rezonatörden
Çelebi, Çağrihan
core
Complementary Acoustic Metamaterial for Penetrating Aberration Layers [PDF]
, 2022 Impedance-matched acoustic materials were developed to improve ultrasound penetration through the aberration layer. The traditional ultrasound layer matching material is called a couplant, which can only enhance ultrasound transmission to soft biological
Lianchun Li (166558) +3 more
core +1 more source
Reconfigurable ultra-sparse ventilated metamaterial absorber
APL Materials, 2023 The impetus for examining ventilated acoustic metamaterials stems from the demand for increasingly efficient and adaptable noise reduction and sound wave manipulation techniques.
Yangsong Ye +6 more
doaj +1 more source
AIP Advances, 2019 The photoacoustic signal from single cell plays an important role in medical diagnosis. Currently, the single-cell photoacoustic detection has limitations.
Jianning Han, Peng Yang, Shuai Tang
doaj +1 more source
Acoustic Willis meta-atom beyond the bounds of passivity and reciprocity
Communications Physics, 2021 Metamaterials are designed to control unconventional wave properties in acoustic systems with a range of applications such as acoustic cloaking. Here, the authors design an active acoustic Willis metamaterial that can realize decoupled polarizabilities ...
Choonlae Cho +3 more
doaj +1 more source
Symmetry‐Guided Multifunctional Acoustic System Based on Mechanically Actuated Sonic Crystals
Advanced Engineering Materials, EarlyView.This study presents the design, simulation, and experimental validation of amultifunctional acoustic metamaterial based on rotationally engineered sonic crystals.By tuning cylinder orientations, controllable band gaps and six distinct functionalities—including switching, topological insulation, beam splitting, and logic operations—areachieved ...
Yuanyan Zhao +2 more
wiley +1 more source
Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading
Advanced Engineering Materials, EarlyView.This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev +2 more
wiley +1 more source
An active viscoelastic metamaterial with enhanced band gap properties [PDF]
, 2013 Metamaterials have been the subject of significant interest over the past decade due to their ability to produce novel acoustic behaviour beyond that seen in naturally occurring media.
Gao, Yan +2 more
core
Low frequency acoustic properties of a honeycomb-silicone rubber acoustic metamaterial [PDF]
, 2017 In order to overcome the influence of mass law on traditional acoustic materials and obtain a lightweight thin-layer structure which can effectively isolate the low frequency noises, a honeycomb-silicone rubber acoustic metamaterial was proposed ...
Hong Hou, Nansha Gao
core +1 more source
Advanced Engineering Materials, EarlyView.Enhancing ultrasound transmission through an aberration layer exhibiting mismatched impedance with the surrounding medium possesses great implications in imaging and treatment. In this study, we show that a space‐coiling acoustic metamaterial with judiciously tailored structural profile can help improve impedance matching.
Maral Ghanami +4 more
wiley +1 more source