Search Results - "Wen, Jihong"
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Low-frequency sound absorption of hybrid absorber based on micro-perforated panel and coiled-up channels
Published in Applied physics letters (15-04-2019)“…We propose a hybrid acoustic metamaterial as a super absorber for a relatively broadband low-frequency sound based on a simple construction with…”
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Ultra-low and ultra-broad-band nonlinear acoustic metamaterials
Published in Nature communications (03-11-2017)“…Linear acoustic metamaterials (LAMs) are widely used to manipulate sound; however, it is challenging to obtain bandgaps with a generalized width (ratio of the…”
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3
Programmable gear-based mechanical metamaterials
Published in Nature materials (01-08-2022)“…Elastic properties of classical bulk materials can hardly be changed or adjusted in operando, while such tunable elasticity is highly desired for robots and…”
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4
Sound transmission loss of metamaterial-based thin plates with multiple subwavelength arrays of attached resonators
Published in Journal of sound and vibration (03-12-2012)“…This paper is concerned with sound transmission loss of metamaterial-based thin plates consisting of multiple subwavelength arrays of spring–mass resonators…”
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5
Band transition and topological interface modes in 1D elastic phononic crystals
Published in Scientific reports (01-05-2018)“…In this report, we design a one-dimensional elastic phononic crystal (PC) comprised of an Aluminum beam with periodically arranged cross-sections to study the…”
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6
Ultra-thin smart acoustic metasurface for low-frequency sound insulation
Published in Applied physics letters (04-04-2016)“…Insulating low-frequency sound is a conventional challenge due to the high areal mass required by mass law. In this letter, we propose a smart acoustic…”
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7
Broadband locally resonant beams containing multiple periodic arrays of attached resonators
Published in Physics letters. A (19-03-2012)“…The plane wave expansion method is extended to study the flexural wave propagation in locally resonant beams with multiple periodic arrays of attached…”
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8
Longitudinal wave band gaps in metamaterial-based elastic rods containing multi-degree-of-freedom resonators
Published in New journal of physics (30-03-2012)“…Wave propagation and vibration transmission in metamaterial-based elastic rods containing periodically attached multi-degree-of-freedom spring-mass resonators…”
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9
Harmonic and shock wave propagation in bistable periodic structure: Regularity, randomness, and tunability
Published in Journal of vibration and control (01-11-2022)“…Nonlinear periodic structures can present abundant nonlinear wave physics. The model consisting of periodic bistable oscillators (i.e., the bistable periodic…”
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10
Optimization of locally resonant acoustic metamaterials on underwater sound absorption characteristics
Published in Journal of sound and vibration (24-09-2012)“…The study of acoustic metamaterials, also known as locally resonant sonic materials, has recently focused on the topic of underwater sound absorption. The high…”
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11
Wave propagation in one-dimensional nonlinear acoustic metamaterials
Published in New journal of physics (16-05-2017)“…The propagation of waves in nonlinear acoustic metamaterial (NAM) is fundamentally different from that in conventional linear ones. In this article we consider…”
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Wave propagation in a nonlinear acoustic metamaterial beam considering third harmonic generation
Published in New journal of physics (21-12-2018)“…Nonlinear acoustic metamaterials (NAMs) provide new ways to control elastic waves. In this work, flexural wave propagation in an infinite NAM beam consisting…”
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13
Accelerated topological design of metaporous materials of broadband sound absorption performance by generative adversarial networks
Published in Materials & design (01-09-2021)“…[Display omitted] •GANs newly used for topological design of metaporous materials for sound absorption.•Huge acceleration (~0.04s/design) for design process…”
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14
Ultra-broadband sound-absorbing metastructure with Helmholtz resonator and porous material modulation crown
Published in Materials & design (01-10-2024)“…[Display omitted] •Hybrid metastructure with Helmholtz resonators and porous material modulation crowns.•Simple construction and a few subunits that enable…”
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15
Theoretical requirements and inverse design for broadband perfect absorption of low-frequency waterborne sound by ultrathin metasurface
Published in Scientific reports (04-02-2019)“…Effective absorption of low-frequency waterborne sound with subwavelength absorbers has always been a challenging work. In this paper, we derive two…”
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SAP-Net: Deep learning to predict sound absorption performance of metaporous materials
Published in Materials & design (15-12-2021)“…[Display omitted] •SAP-net with CNN to predict the sound absorption coefficient of metaporous materials.•Enormous acceleration achieved (7ms/image) for the…”
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17
Hybrid meta-structure for broadband waterborne sound absorption
Published in AIP advances (01-12-2019)“…A new hybrid-mechanism metastructure combined resonances of locally resonant scatterers and air cavities is proposed for broadband waterborne sound absorption…”
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18
Breaking the mass law for broadband sound insulation through strongly nonlinear interactions
Published in New journal of physics (01-09-2023)“…Sound transmission through panels is governed by the well-known mass law in the mid-frequency range. This paper reveals a possibility of breaking this…”
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19
Vibration reduction by using the idea of phononic crystals in a pipe-conveying fluid
Published in Journal of sound and vibration (25-11-2008)“…Flexural vibration in a pipe system conveying fluid is studied. The pipe is designed using the idea of the phononic crystals. Using the transfer matrix method,…”
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Nonlinear metamaterial enabled aeroelastic vibration reduction of a supersonic cantilever wing plate
Published in Applied mathematics and mechanics (01-10-2024)“…The violent vibration of supersonic wings threatens aircraft safety. This paper proposes the strongly nonlinear acoustic metamaterial (NAM) method to mitigate…”
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