2024 Locally resonant sonic material

Locally resonant sonic material

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August undefined, 2024

WitrynaSee Full PDFDownload PDF. ARTICLE IN PRESS Physica B 338 (2003) 201–205 Locally resonant sonic materials Ping Sheng*, X.X. Zhang, Z. Liu1, C.T. Chan Department of Physics, The Hong Kong University … WitrynaThe locally resonant sonic material (LRSM) is an artiﬁcial metamaterial that can block underwater sound. The low-frequency insulation performance of LRSM can be enhanced by coupling local resonance and Bragg scattering eﬀects. However, such method is hard to be experimentally proven as the best

Design and optimization of locally resonating sonic crystals

Witryna14 maj 2014 · This Letter presents an optimal design method for locally resonant sonic materials using topology optimization incorporating a level-set method. Examples … Witryna30 wrz 2024 · We report that a locally resonant sonic material realizes omnidirectional acoustic invisibility in air. To achieve acoustic cloaking in the low-frequency regime, we axisymmetrically placed elastic ... important people in new mexico history

Homogenization of periodic elastic composites and locally …

Witrynalocally resonant pentamode metamaterials Chengxin Cai, Chao Han, Jianfeng Wu et al.-The phononic band gaps of Bragg scattering and locally resonant pentamode ... Sonic Materials LIU Zhi-Ming() 1; 2, Y ANG Sheng-Liang(ZHA O Xun(1 College of Astronautics and Material Engineering, National Univ ersit y Defense T ec hnology, … WitrynaHomogenization of periodic elastic composites and locally resonant sonic materials Sia Nemat-Nasser Department of Mechanical and Aerospace Engineering, University of California, San Diego, La Jolla, CA 92037-0415, USA John R. Willis Department of Applied Mathematics and Theoretical Physics, Centre for Mathematical Sciences, … Witryna1 paź 2003 · Request PDF Locally resonant sonic materials We have fabricated a new type of composite which displays localized sonic resonances at B350–2000 Hz with a microstructure size in the millimeter ... important people in new york colony

(PDF) Elastic wave propagation in adaptive honeycomb-based materials …

Computational design of locally resonant acoustic metamaterials

Witryna1 kwi 2004 · Locally resonant sonic materials. Science, 289 (2000), p. 1734. Google Scholar [15] A.J. Safjan. Highly accurate non-reflecting boundary conditions for finite element simulations of transient acoustic problems. Comput. Meth. Appl. Mech. Eng., 152 (1998), p. 175. View PDF View article View in Scopus Google Scholar Witryna8 wrz 2000 · We have fabricated sonic crystals, based on the idea of localized resonant structures, that exhibit spectral gaps with a lattice constant two orders of magnitude smaller than the relevant wavelength. Disordered composites made from such … important people in peru historyWitrynaUltrawide Bandgap Locally Resonant Sonic Materials-Oblique incidence properties of locally resonant sonic materials with resonance and Bragg scattering effects-Multiple slow waves in metaporous layers for broadband sound absorption-Recent citations Hybrid meta-structure for broadband waterborne sound absorption Haibin Yang et al- literati software

"Witryna[2]LIU Z Y，ZHANG X X，MAO Y W，et al.Locally resonant sonic materials[J].Science，2000，289（5485）：1734-1736. [3]ZHONG L H，WU F G，LI X L，et al.Effect of symmetry on sonic band-gap in two-dimensional phononic crystals[J].Journal of Inorganic Materials，2006，21（1）：29-34. " - Locally resonant sonic material

Locally resonant sonic material

Witryna6 mar 2024 · The safety of historic buildings heritage is an important task that becomes more substantial when the buildings are directed to educational purposes. The present study aims at evaluating the dynamic features of the Benedettini complex, an historic monastery located in downtown Catania, which is at present the headquarters of the … http://www-ceam.ucsd.edu/documents/papers/Dynamic%20Homogenization/HomogenizationOfPeriodicElasticComposites.pdf

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Witryna22 mar 2024 · Materials designed on the micron and nanoscale have had a huge and ... M. Enlargement of a locally resonant sonic band gap by using double-sides stubbed phononic plates. ... J. Studies of a new-style resonator to control electro-mechanical coupling bandgap of a locally resonant piezoelectric/elastic phononic crystal double … Witryna13 maj 2024 · We present an acoustic metamaterial (AMM) consisting of a dumbbell-shaped split hollow sphere (DSSHS). Transmission results of experiments and simulations both presented a transmitted dip at the resonant frequency of AMM, which demonstrated its negative modulus property. As the two split holes in the DSSHS had …

Witryna1 paź 2003 · Locally resonant sonic materials 1. Introduction. In recent years, the study of classical wave characteristics in periodic structures, the so-called... 2. Theoretical … Witrynaunits, called locally resonant sonic materials (LRSMs).13–19) LRSMs contain arrays of elastic resonators composed of a high-density solid core with a coating of a very soft …

Witryna30 kwi 2006 · The emergence of artificially designed subwavelength electromagnetic materials, denoted metamaterials1,2,3,4,5,6,7,8,9,10, has significantly broadened the range of material responses found in nature. Witryna12 maj 2014 · Locally resonant sonic materials exhibit strong sound attenuation bands in the audible frequency range due to resonance scattering of elastic waves. We compare the results of a finite element ...

Witryna3 sty 2024 · To achieve the target band-gap in finite locally resonant phononic crystal beams, a method for determining the minimum period number is proposed. ... Liu Z, Zhang X-X, Mao Y-W, et al. (2000) Locally resonant sonic materials. Science 289(5485): 1734–1736. Crossref. PubMed. ISI. Google Scholar. Shi Z-F, Cheng Z-B …

Witryna21 lip 2006 · A locally resonant sonic material (LRSM) is an elastic matrix containing a periodic arrangement of identical local resonators (LRs), which can reflect strongly … important people in new zealand historyWitryna1 paź 2003 · Locally resonant sonic materials Theoretical background. To explain the basic idea, it is instructive to first introduce the concept of localized... Experimental. … important people in oklahoma historyWitryna29 cze 2006 · Locally resonant sonic materials exhibit strong sound attenuation bands in the audible frequency range due to resonance scattering of elastic waves. We … literatire density value of water in g/mlWitryna8 wrz 2000 · Note the expanded scale near the G point. - "Locally resonant sonic materials" Fig. 1. (A) Cross section of a coated lead sphere that forms the basic structure unit (B) for an 8 3 8 3 8 sonic crystal. (C) Calculated (solid line) and measured (circles) amplitude transmission coefficient along the [100] direction are plotted as a … important people in panamaWitrynaSonic crystals are artificial structures consisting of a periodic array of acoustic scatterers embedded in a homogeneous matrix material, with a usually large impedance … literati schoolWitryna1 kwi 2024 · Ternary locally resonant metamaterial (LRM) is a manmade material consisting of rigorously designed heavy inclusions with coated soft layer. Such design enables the LRM to possess good wave ... important people in peruvian historyWitrynaLocally resonant sonic materials. We have fabricated a new type of composite which displays localized sonic resonances at ∼350- 2000 Hz with a microstructure size in … important people in ruby bridges life