Analysis and Prognosis of Failures in Intelligent Hybrid Systems Using Bioengineering: Gear Coupling by Roberto Outa, Fabio Roberto Chavarette, Vishnu Narayan Mishra, Aparecido Carlos Gonçalves, Adriana Garcia, Sandro da Silva Pinto, Laxmi Rathour, Lakshmi Narayan Mishra

“…Considering also that, in one of the steps, the similarity between the FRF of the vibration and acoustic signal is demonstrated. The objective of this work is the analysis and prognosis of the progression of failures of a pair of gears using the artificial immune system (AIS) of negative selection. …”
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Receptivity of Boundary Layer over a Blunt Wedge due to Freestream Pulse Disturbances at Mach 6 by Jianqiang Shi, Xiaojun Tang, Zhenqing Wang, Mingfang Shi, Wei Zhao

“…Direct numerical simulation (DNS) of a hypersonic compressible flow over a blunt wedge with fast acoustic disturbances in freestream is performed. The receptivity characteristics of boundary layer to freestream pulse acoustic disturbances are numerically investigated at Mach 6, and the frequency effects of freestream pulse wave on boundary layer receptivity are discussed. …”
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Study on the determination method of excitation load in electrical signal simulation for piezoelectric ultrasonic internal inspection of pipelines by Guangli Xu, Jianwen Liu, Qiang Wen, Yuejun Zheng, Liangxue Cai

“…Abstract Accurately determining the initial acoustic field excitation load of a piezoelectric ultrasonic probe is essential for simulating electrical signals and calculating wall thickness during ultrasonic internal inspection of pipelines. …”
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Improvement of a Free-Wake Model for the Aerodynamic and Aeroacoustic Analysis of a Small-Scale Two-Bladed Propeller in Hover by Manuel Iannotta, Antonio Visingardi, Domenico Quagliarella, Fabrizio De Gregorio, Mattia Barbarino, Alex Zanotti

“…The simulations are carried out using a BEM approach implemented in the medium-fidelity solver RAMSYS. An acoustic validation is also performed using the developed tool ACO-FWH. …”
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Digital Frequency Customized Relieving Sound for Chronic Subjective Tinnitus Management: Prospective Controlled Study by Dongmei Tang, Yuzhu Peng, Dantong Gu, Yongzhen Wu, Huawei Li

“… BackgroundTinnitus is a major health issue, but currently no tinnitus elimination treatments exist for chronic subjective tinnitus. Acoustic therapy, especially personalized acoustic therapy, plays an increasingly important role in tinnitus treatment. …”
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Machine learning prediction of anxiety symptoms in social anxiety disorder: utilizing multimodal data from virtual reality sessions by Jin-Hyun Park, Yu-Bin Shin, Dooyoung Jung, Ji-Won Hur, Seung Pil Pack, Heon-Jeong Lee, Hwamin Lee, Chul-Hyun Cho, Chul-Hyun Cho

“…This study employed extended Geneva minimalistic acoustic parameter set for acoustic feature extraction and extracted statistical attributes from time series-based physiological responses. …”
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Prediction of shallow bit position based on vibration signal monitoring of bit broken rock by Jinping Yu, Deyong Zou

“…Then, the denoised acoustic emission signal and drilling force signal are analyzed and processed. …”
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Joint DOA-delay estimation approach based on atomic norm by XU Ming, TANG Qian

“…To address the difficult problem of localizing autonomous underwater vehicle in underwater acoustic communication environments, a joint DOA-delay estimation approach based on atomic norm was proposed. …”
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CLUSTER MECHANISM OF SOLID PHASE FORMING AT THE EXAMPLE OF GROWTH OF ALUMINIUM SINGLE-CRYSTALS OF MELT by V. B. Vorontsov, D. V. Zhuravlev

“…The interrelation between frequencies of acoustic emission signals during crystallization of aluminium and kinetics of surface movement is established.…”
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Direct FVM Simulation for Sound Propagation in an Ideal Wedge by Hongyu Ji, Xinhai Xu, Xiaowei Guo, Shuai Ye, Juan Chen, Xuejun Yang

“…This provides a benchmark for the theoretical and computational studies on the simulation of ocean acoustic applications. We present a direct finite volume method (FVM) simulation for the ideal wedge problem, and both time and frequency domain results are analyzed. …”
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Fault Diagnosis of the Bearing based on the Wavelet Transform and Approximate Entropy by Zhang Penglin, Kong Peng, Zhang Chong, Liu Ruijun, Deng Huiqing

“…Combining the wavelet transform and approximate entropy theory,according to the characteristic that the approximate entropy will become larger with the increase of signal complexity,it is applied to the analysis of acoustic emission signals of the bearing. In the test,through collecting acoustic emission signals under such working conditions as different stimulated defects,speeds or loads,then,the wavelet packet de- noise and transform is applied to this signals,and the maximum energy subband is found,and the approximate entropy calculation is carried out. …”
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Prediction of Full Field Dynamic Strain from Limited Sets of Measured Data by Peter Avitabile, Pawan Pingle

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RESEARCH ON VIBRATION CHARACTERISTICS OF THE THICK DISC LADDER by ZHANG NingNing, PAN YingLi, GENG SenLin

“…Ladder type disc acoustic radiator is widely used in high power ultrasonic field. …”
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A Conceptual Framework for the Analysis of First-Person Shooter Audio and its Potential Use for Game Engines by Mark Grimshaw, Gareth Schott

“…Furthermore, it is argued that the relationship between player and sound is best conceptualized theoretically as an acoustic ecology. Current game engines are capable of game world spatiality through acoustic shading, but the ideas presented here provide a framework to explore other immersive possibilities for game audio through real-time synthesis.…”
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Overcoming breast cancer cell treatment resistance by optimizing sonodynamic therapy and radiation sensitizers on lncRNA PVT1 and miR-1204 expression by Ali Neshastehriz, Zeinab Hormozi-Moghaddam, Zahra Abedi Kichi, Seyedeh Mona Taheri, Seyed Mohammad Amini, Amir Aghaei

“…Background: Acoustic cavitation is a foundational mechanism in ultrasound therapy, primarily through inertial cavitation resulting from microbubble collapse. …”
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Study on Energy Consumption Characteristics of Different Tools under Impact Load by Fujun Zhao, Haifan Wang, Zhouyuan Ye, Yonghong Liu, Yu Li

“…The cumulative energy values of the acoustic emission of different tools follow the same regularity.…”
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Ultrasonic Spectrum Analysis of Granite Damage Evolution Based on Dry-Coupled Ultrasonic Monitoring Technology by Yang Liu, Lan Qiao, Yuan Li, Guodong Ma, Andrei M. Golosov

“…The self-developed dry-coupled rock ultrasonic monitoring system is adopted to set up a multidirectional and multiwaveform ultrasonic monitoring network, which aims to analyse the evolution law of acoustic spectrum parameters in the process of granite loading failure under uniaxial compression, to explore the dominant acoustic spectrum characteristic information at different stages of granite loading, and to verify in situ the damage monitoring of time-effect deformation. …”
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Experiment and Mechanism Investigation on Freezing-Thawing of Sandstone with Different Water Contents by Guilei Song, Longxiao Chen, Kesheng Li, Deng Zhang, Junhao Xu, Wenshuo Xu, Chuanxiao Liu, Jinpeng Zhang

“…The failure form of sandstone gradually changed from splitting failure to shear failure. The results of the acoustic emission test showed that the stress-strain curves combined with acoustic emission ring counting could reveal the damage evolution process of sandstone during loading.…”
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Application of improved and efficient image repair algorithm in rock damage experimental research by Mingzhe Xu, Xianyin Qi, Diandong Geng

“…Abstract In the petroleum and coal industries, digital image technology and acoustic emission technology are employed to study rock properties, but both exhibit flaws during data processing. …”
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TECHNIQUES FOR FORMATION OF FERROELECTRIC PHOTONIC AND PHONONIC CRYSTALS by V. V. Krutov, A. S. Sigov, A. A. Shchuka

“…It is shown that the use of the acoustic-interference method allows one to form regular domain structures in PZT films with record-breaking short work cycle duration . …”
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