Characteristic Features of Sound Propagation in a Warm Bubble-Laden Water
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Engineering Physics and Thermophysics"
DOI: 10.1007/s10891-018-1809-9
Abstract: The propagation of weak disturbances in a water–air bubble medium has been studied under the conditions when in addition to the gas (e.g., air) undissolved in water the bubbles contain steam that can convert into… read more here.
Keywords: propagation; features sound; characteristic features; sound propagation ... See more keywords
High-fidelity Sound Propagation in a Varying 3D Atmosphere
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Scientific Computing"
DOI: 10.1007/s10915-018-0751-5
Abstract: A stable and high-order accurate upwind finite difference discretization of the 3D linearized Euler equations is presented. The discretization allows point sources, a varying atmosphere and curved topography. The advective terms are discretized using recently… read more here.
Keywords: fidelity sound; discretization; sound propagation; varying atmosphere ... See more keywords
A Transmission Line Matrix model for sound propagation in arrays of cylinders normal to an impedance plane
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2016.11.005
Abstract: Abstract The present paper focuses on two of the acoustic phenomena involved in sound propagation through forested areas, namely multiple scattering caused by tree trunks at mid-frequencies and ground effect at low frequencies. The use… read more here.
Keywords: propagation; sound propagation; model sound; line matrix ... See more keywords
Sound propagation using an adjoint-based method
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2020.469
Abstract: Abstract In this study, a comprehensive description of the adjoint formulation based on a systematic use of Lagrange's identity is proposed to compute acoustic propagation effects induced by the presence of a mean flow. The… read more here.
Keywords: propagation; adjoint; sound propagation; using adjoint ... See more keywords
Shaping the terahertz sound propagation in water under highly directional confinement
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.054306
Abstract: We consider here the possibility of shaping the high-frequency acoustic propagation in a liquid upon directional confinement. This hypothesis is investigated by inelastic x-ray scattering measurements on water confined in aligned multiwalled carbon nanotubes, in… read more here.
Keywords: propagation; sound propagation; water; confinement ... See more keywords
Diffraction Kernels for Interactive Sound Propagation in Dynamic Environments
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Visualization and Computer Graphics"
DOI: 10.1109/tvcg.2018.2794098
Abstract: We present a novel method to generate plausible diffraction effects for interactive sound propagation in dynamic scenes. Our approach precomputes a diffraction kernel for each dynamic object in the scene and combines them with interactive… read more here.
Keywords: propagation dynamic; propagation; diffraction kernels; sound propagation ... See more keywords
A Psychoacoustic Quality Criterion for Path-Traced Sound Propagation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE transactions on visualization and computer graphics"
DOI: 10.1109/tvcg.2022.3213514
Abstract: In developing virtual acoustic environments, it is important to understand the relationship between the computation cost and the perceptual significance of the resultant numerical error. In this paper, we propose a quality criterion that evaluates… read more here.
Keywords: criterion; sound propagation; quality criterion; path ... See more keywords
Sound propagation methods for road traffic noise auralization
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.4988687
Abstract: When changes to an area involving an upgrade to a road network (new or existing) are planned, an assessment of the potential for change in the sound environment is carried out. However this assessment usually… read more here.
Keywords: road traffic; road; noise; sound propagation ... See more keywords
Psycho-acoustic evaluation of physically-based sound propagation algorithms
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.4988897
Abstract: Recently, many physically accurate algorithms have been proposed for interactive sound propagation based on geometric and wave-based methods. In terms of these applications, a key question arises whether the improved physical accuracy of these algorithms… read more here.
Keywords: propagation; propagation algorithms; sound propagation; acoustic evaluation ... See more keywords
Thermoviscous effect on sound propagation in acoustic metastructures
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5014322
Abstract: Thermoviscous dissipation plays an important role in sound propagation through acoustic metastructures for a variety of applications. The thermoviscous effects rely on the resonances in the structures of subwavelength features. Our analyses and numerical simulations… read more here.
Keywords: sound propagation; acoustic metastructures; thermoviscous effect; propagation acoustic ... See more keywords
Azimuthal dependence of sound propagation due to seabed variability in shallow water
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5014354
Abstract: In shallow water regions, the environment has complicated temporal and spatial variability including changes of bathymetry, sediment layer structure, bottom property, and physical oceanographic spatial and temporal changes due to processes like internal waves. All… read more here.
Keywords: propagation; sound propagation; dependence sound; variability ... See more keywords