Additive Manufacturing: A Novel Method for Developing an Acoustic Panel Made of Natural Fiber-Reinforced Composites with Enhanced Mechanical and Acoustical Properties by Vignesh Sekar, Mohammad Hosseini Fouladi, Satesh Narayana Namasivayam, Sivakumar Sivanesan

“…This approach will help to replace synthetic-based acoustic absorbers with biodegradable composite panels in acoustic applications. …”
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Jamming-resilient algorithm for underwater cognitive acoustic networks by Zixiang Wang, Fan Zhen, Senlin Zhang, Meiqin Liu, Qunfei Zhang

“…Due to the limit spectrum resource in the underwater acoustic networks, underwater cognitive acoustic communication is a promising technique. …”
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Acoustic and Electroglottographic Characteristics Associated with Tracheoesophageal Speech of Cantonese by Manwa Lawrence Ng, Nan Yan, Kalai Nana Chiu, Yang Chen

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Mechanical Parameters Effects on Acoustic Absorption at Polymer Foam by Lyes Dib, Samia Bouhedja, Hamza Amrani

“…Polymer foams have acoustic absorption properties that play an important role in reducing noise level. …”
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Chirality reversal of vortices induced by surface acoustic waves by Shuai Mi, Jinxuan Shi, Huibo Liu, Huiliang Wu, Huifang Qiao, Jianing Wang, Jie Dong, Xiaolei Li, Jiangtao Xue, Xiangqian Wang, Jianbo Wang, Qingfang Liu

“…We study the magnetization state and chirality change in the vortex nucleated in the Py disk array in the presence of the surface acoustic wave (SAW) through experiments and simulations. …”
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Plankton Distribution Analysis with Underwater Acoustic Remote Sensing by A Abdullah, Pratomo D.G., Khomsin

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Analysis of Acoustic Signals of Footsteps from the Piezoelectric Sensor by Bilge Çiğdem Çiftçi, Gamze Kaya, Mustafa Kurt

Subjects: “…acoustics…”
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Analysis and Optimization of the Vibro-acoustic Coupled of Crane Reducer by Dai Jun

“…The rigid-flexible coupled dynamics analysis model of crane reducer is built,the gear meshing force and bearing force are obtained by using variable step backward integration method,taking the bearing force as load boundary condition of the vibro-acoustic coupled model,the vibro-acoustic coupled analysis BEM model which include structural mesh,acoustic mesh and field mesh is set up in LMS Virtual Lab,the sound pressure at the surface and field of the reducer is got by using full method. …”
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SHIELDING OF NOISE SOURCES USING ACOUSTIC SCREENS COMPOSED by CLAUDIA TOMOZEI, OANA IRIMIA, MIRELA PANAINTE-LEHADUS

Subjects: “…acoustic screening…”
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Composite acoustic system for low-frequency sound absorption by Eulalia Gliścińska, Marina Michalak

“…By changing the angle between the absorbing plate and the direction of the incident sound wave and changing the length of the cavity, it is possible to create acoustic systems with a given level of sound absorption and in a given low-frequency range. …”
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Nondestructive Detection of Valves Using Acoustic Emission Technique by Jin Yan, Yang Heng-hu, Yang Hong, Zhang Feng, Liu Zhen, Wang Ping, Yang Yan

“…The applications of acoustic emission (AE) technique in detection of valves are presented in this review, and the theoretical models and experimental results of nondestructive detection of valves using AE are provided. …”
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Acoustic lattice resonances and generalised Rayleigh–Bloch waves by G. J. Chaplain, S. C. Hawkins, M. A. Peter, L. G. Bennetts, T. A. Starkey

“…We consider radiative acoustic lattice resonances along a diffraction grating and connect them to generalised Rayleigh–Bloch waves by considering both short and long arrays of non-resonant 2D cylindrical Neumann scatterers embedded in air. …”
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Acoustic analysis using symmetrised implicit midpoint rule by N. Razali, N.B. Masnoor, S. Abdullah, M.F.H.M. Zainaphi

“…In wave propagation phenomena, time-advancing numerical methods must accurately represent the amplitude and phase of the propagating waves. The acoustic waves are non-dispersive and non-dissipative. …”
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All-angle unidirectional flat-band acoustic metasurfaces by Chenglin Han, Shida Fan, Hong-Tao Zhou, Kuan He, Yurou Jia, Changyou Li, Hongzhu Li, Xiao-Dong Yang, Li-Qun Chen, Tianzhi Yang, Cheng-Wei Qiu

“…Here, we report an acoustic flat-band metasurface, allowing not only unidirectional canalization at all in-plane angles but also robust tunability in band alignment. …”
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Researches on Damage Evolution and Acoustic Emission Characteristics of Rocks by Yong Chen, Yugui Yang, Feng Gao, Xiangxiang Zhang

“…In this study, a series of compression experiments with acoustic emission have been performed on rock specimens. …”
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Fractal Acoustic Metamaterials with Subwavelength and Broadband Sound Insulation by Yu Liu, Meng Chen, Wenshuai Xu, Tao Yang, Dongliang Pei, Heng Jiang, Yuren Wang

“…We construct new fractal acoustic metamaterials by coiling up space, which can allow subwavelength-scale and broadband sound insulation to be achieved. …”
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Alternative Approach for Combination of Fingers in Underwater Acoustic Communication by Ji-Hong Son, Eun-Hye Jeon, Ki-Man Kim, Dong-Won Lee, Tae-Doo Park

“…An underwater acoustic communication channel is time varying and has multipath propagation with bottom and surface reflection. …”
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Effects of face protector devices on acoustic parameters of voice by Valeria Caragli, Elisa Zacheo, Rosalba Nodari, Elisabetta Genovese, Antonio Mancuso, Laura Mazzoni

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Data Transmission with Reduced Delay for Distributed Acoustic Sensors by Hyun-Gyu Ryu, Sang-Keum Lee, Dongsoo Har

“…This paper proposes a channel access control scheme fit to dense acoustic sensor nodes in a sensor network, where multiple acoustic sensor nodes within communication range of a cluster head are grouped into clusters. …”
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Acoustic-Gravity Waves Interacting with a Rectangular Trench by Usama Kadri

“…A mathematical solution of the two-dimensional linear problem of an acoustic-gravity wave interacting with a rectangular trench, in a compressible ocean, is presented. …”
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