NSTL国家科技图书文献中心

1. A case study of railway curve squeal radiated from both the outer and inner wheel NSTL国家科技图书文献中心

Torstensson P.T. | Pieringer A.... - 《Applied acoustics》 - 2025,228(Jan.) - 1.1～1.10 - 共10页

摘要：© 2024This case study is presented after | observations were made that partially contrast the prevailing | picture of railway curve squeal given in the literature | . These are observations with significance both for | modelling and condition monitoring. The current case study

关键词： Curve squeal | Flange squeal | Noise monitoring | Rail grinding | Rail profiles | Rail roughness

2. Effects of acoustic environment on sleep and mental health in residential regions near railways NSTL国家科技图书文献中心

Zhu L. | Wu Y.... - 《Applied acoustics》 - 2025,227(Jan.) - 1.1～1.12 - 共12页

摘要：© 2024 Elsevier LtdNoise is an important | environmental risk factor for physical and mental health | . Furthermore, long-term noise exposure is burdensome for the | mind and body and has become a serious problem. Rail | transportation is one of the main methods used to transport

关键词： Health risk prediction model | Mental health | Railway noise | Sleep monitor

3. Validation of an eigenvalue-based inverse method for estimating locally-reacting surface impedance NSTL国家科技图书文献中心

Prinn A.G. | Panter P.... - 《Applied acoustics》 - 2025,228(Jan.) - 1.1～1.12 - 共12页

摘要：© 2024 The Author(s)Accurate boundary | condition descriptions are essential for creating accurate | computational models for room acoustics. These descriptions | are often defined in terms of absorption | coefficients or surface impedances. However, obtaining

关键词： Finite element-based eigenvalue estimation | Locally-reacting impedance estimation | Resonance frequency estimation

4. Semi-analytical prediction of energy-based acoustical parameters in proscenium theatres NSTL国家科技图书文献中心

Gao J. | Zhao Y.... - 《Applied acoustics》 - 2025,228(Jan.) - 1.1～1.15 - 共15页

摘要：© 2024Previous studies of the authors have | shown that there are limitations when the existing | acoustic energy models are applied to theatres. In the | present study, a new semi-analytical model is developed | based on site surveys and scale model measurements

关键词： Acoustic energy model | Architectural acoustics | Proscenium theatre | Room acoustic parameter | Sound propagation | Temporal energy analysis

5. On the accuracy of finite-difference time-domain simulations of head-related transfer functions as a function of model complexity NSTL国家科技图书文献中心

Meyer J. | Picinali L.... - 《Applied acoustics》 - 2025,228(Jan.) - 1.1～1.10 - 共10页

摘要：© 2024 The Author(s)Wave-based numerical tools | such as finite-difference time-domain (FDTD) solvers | are useful for modeling several acoustic properties | and interactions. While these numerical tools are | widely used in acoustics, there seems to be less

关键词： Accuracy | Finite-difference time-domain method | Head-related transfer function | Solution verification

6. Explaining the correlation between subharmonic amplitude and ambient pressure for subharmonic-aided pressure estimation (SHAPE) NSTL国家科技图书文献中心

Chen Y. | Jiang W.... - 《Applied acoustics》 - 2025,227(Jan.) - 1.1～1.11 - 共11页

摘要：© 2024Background: Subharmonic aided pressure | estimation (SHAPE) is an innovative non-invasive technique | that leverages ultrasound subharmonic imaging to | estimate pressure. This method exploits the negative | correlation between subharmonic amplitude and ambient

关键词： Microbubbles | Self-oscillation | Subharmonic imaging | Subharmonic-aided pressure estimation | Ultrasound

7. Composite delamination damage location based on non-orthogonal air-coupled ultrasonic guided waves and Artifact-Reduction damage index NSTL国家科技图书文献中心

Sun J. | Zhang H.... - 《Applied acoustics》 - 2025,228(Jan.) - 1.1～1.8 - 共8页

摘要：© 2024 Elsevier LtdThis study focuses on the | localization of delamination damage in composite materials | . Due to the attenuation of the air-coupled ultrasound | at the gassolid coupling interface, the signal-to | -noise ratio of the air-coupled ultrasonic signal is

关键词： Air-coupled ultrasonic testing | Anisotropy | CFRP | Damage index | Delamination | Non-orthogonal scanning

8. Ultra-thin low-frequency broadband absorber based on layered coiled channel structure NSTL国家科技图书文献中心

Sun W. | Wang Y.... - 《Applied acoustics》 - 2025,228(Jan.) - 1.1～1.13 - 共13页

摘要：© 2024 Elsevier LtdTo improve and broaden the | performance in absorbing sound waves of metamaterials at the | lower and mid-frequency ranges, a layered coiled | channel composite structure (LCCS) with deep | subwavelengths is proposed in this paper, which extends the

关键词： Acoustic metamaterials | Composite structures | Deep subwavelengths | Low-frequency sound absorption | Sound absorption properties

9. Physical model experimental study on the infrasound characteristics of bedding slide in rock slope NSTL国家科技图书文献中心

Chen Q. | Jia D.... - 《Applied acoustics》 - 2025,228(Jan.) - 1.1～1.14 - 共14页

摘要：© 2024 Elsevier LtdThe main focus and | challenge of landslide research is always the formation | mechanism of bedding rock landslide. Preventing and | controlling large-scale landslide is difficult due to high | monitoring costs and short warning times, posing a

关键词： Bedding rock landslide | Infrasound characteristics | Model test | Monitoring and early warning

10. Improved filtered-s least mean square/fourth algorithm for nonlinear active noise control system NSTL国家科技图书文献中心

Guo Y. | Chen M.... - 《Applied acoustics》 - 2025,227(Jan.) - 1.1～1.11 - 共11页

摘要：© 2024 Elsevier LtdThis paper presents a novel | approach for nonlinear active noise control (ANC) systems | that addresses the limitations of traditional linear | ANC systems, which fail to consider nonlinear | factors. A nonlinear ANC system is proposed for non