Locally resonant phononic woodpile

Author: udyj

August undefined, 2024

Witryna16 cze 2024 · Numerical results show that different from the single degree-of-freedom mass-spring model, one more locally resonant band gap is generated in the system of two oscillators in series. The introduction of flexible supports, allowing for variable internal coupling between the adjacent cells, produces an extra band gap with a minimum … WitrynaWe also calculated the sound pressure field distributions of the fractal acoustic metamaterials from the first order to the third order. The sound pressure field …

Wave propagation in single column woodpile phononic crystals: …

Witryna1 mar 2024 · Wave propagation in single column woodpile phononic crystals: formation of tunable band gaps. J Mech Phys Solids (2014) Tan K.T. et al. ... Locally resonant … WitrynaMulti-layered locally resonant phononic crystals (LRPCs) with wider and multiple bandgaps (BGs) in low frequency range and small size of the unit cell have promising … two story lake homes

Crystals Free Full-Text Phononic Crystal Made of Multilayered ...

WitrynaLocally resonant phononic woodpile: a wide band anomalous underwater acoustic absorbing material. Applied Physics Letters, 95: 104101. doi: 10.1063/1.3216805. Jiang H, Wang Y. 2012. Phononic glass: a robust acoustic-absorption material. Witryna8 sie 2012 · In order to achieve strong wide band acoustic absorption under high hydrostatic pressure, an interpenetrating network structure is introduced into the … WitrynaThe aim of this study is to obtain a wide and deep phononic gap at low frequencies in a two-dimensional periodic solid structure with embedded inertial amplification mechanisms. Size and shape optimizations are performed on the building block mechanism of the periodic structure to maximize phononic gap (stop band) width and … tall ships door county wi

Low-frequency underwater sound absorption metamaterial

Witryna9 wrz 2009 · To meet the demand of modern acoustic absorbing material for which acoustic absorbing frequency region can be readily tailored, we introduced woodpile … WitrynaThe locally resonant sonic material (LRSM) is an artificial metamaterial that can block underwater sound. The low-frequency insulation performance of LRSM can be … tall ships creamery charlestownWitrynaassociate the behavior of locally resonant cylindrical rods with the band gap formation mechanism in woodpile phononic crystals. The findings in this work imply that we can achieve versatile control of frequency band structures in phononic crystals by using woodpile architectures. The woodpile phononic crystals can form a new type of … tall ships duluth 2021

"Witryna9 wrz 2009 · Locally resonant phononic woodpile: A wide band anomalous underwater acoustic absorbing material Heng Jiang, 1,2 Yuren W ang, 2, a 兲 Milin Zhang, 1 … " - Locally resonant phononic woodpile

Locally resonant phononic woodpile

WitrynaDOI: 10.1016/J.APACOUST.2011.10.002 Corpus ID: 110724368; Propagation of acoustic waves in the woodpile sonic crystal with a defect … Witryna14 lis 2024 · [15] Jiang H et al. 2009 Locally resonant phononic woodpile: a wide band anomalous underwater acoustic absorbing material Appl. Phys. Lett. 95 104101. Go to reference in article; Crossref; Google Scholar [16] Zhao H, Wen J, Yu D and Wen X 2010 Low-frequency acoustic absorption of localized resonances: experiment and theory J. …

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WitrynaExplore 52 research articles published on the topic of “Theories of cloaking” in 2012. Over the lifetime, 490 publication(s) have been published within this topic receiving 41208 citation(s). WitrynaWe study “nanoptera,” which are nonlocalized solitary waves with exponentially small but nondecaying oscillations, in two singularly perturbed Hertzian chains with …

WitrynaLocally resonant phononic woodpile: A wide band anomalous underwater acoustic absorbing material. Applied Physics Letters, 95(10), 104101. doi:10.1063/1.3216805 . WitrynaThe sound absorption performance of a continuously graded phononic crystal (CGPC) is presented in this study. The specific acoustic resistance has a major influence on the …

Witryna为了提高水下航行器的生存能力，通常会在其表面敷设水声吸声材料以吸收声纳发出的探测声波。. 本文综述了水声吸声材料及吸声结构的研究进展，介绍了基体材料改性、 … Witryna14 lis 2024 · [15] Jiang H et al. 2009 Locally resonant phononic woodpile: a wide band anomalous underwater acoustic absorbing material Appl. Phys. Lett. 95 104101. …

WitrynaHowever, because the band gap of a single local resonance-type metamaterial is too narrow, to achieve broadband sound absorption, Jiang et al. proposed a phononic …

Witrynacomposites with locally resonant structural units can exhibit effective negative elastic constants at certain frequency ranges. If a wave with angular frequency v interacts … two story living room curtainsWitryna9 wrz 2009 · To meet the demand of modern acoustic absorbing material for which acoustic absorbing frequency region can be readily tailored, we introduced woodpile … tall ships duluth mnWitrynaThe sound absorption performance of a continuously graded phononic crystal (CGPC) is presented in this study. The specific acoustic resistance has a major influence on the specific acoustic impedance, which can be optimized to obtain a high sound absorption coefficient.From the perspective of impedance match and energy conservation, a … tallshipserie.orgWitryna2 wrz 2011 · Recently, by introducing locally resonant scatterers with spherical shape proposed in phononic crystals into design of underwater sound absorption materials, … tall ships east bostonWitryna7 kwi 2024 · 1. Introduction. Identifying degeneracies, such as locally dispersionless band structures meeting at a point, allows periodic structured media to be constructed with remarkable propagation properties, for example, extraordinary transmission (1– 3), cloaking (4, 5), interfacial states (6– 23, 67), edge states (24– 26), one-way … two story lego houseWitryna18 maj 2024 · By using a structured tungsten-polyurethane composite that is impedance matched to water while simultaneously having a much slower longitudinal sound speed, we have theoretically designed and experimentally realized an underwater acoustic absorber exhibiting high absorption from 4 to 20 kHz, measured in a 5.6 m by 3.6 m … two story mega storage shedsWitrynaLocally resonant phononic woodpile: A wide band anomalous underwater acoustic absorbing material Heng Jiang,1,2 Yuren Wang,2,a Milin Zhang,1 Yanping Hu,2 Ding … two story metal buildings prices installed