sound propagation
Influence of diffusion and sorption on sound propagation in multiscale porous materials
... investigates sound propagation in multiscale sorptive porous mate- rials saturated with a pure ...of sound propagation through the material is established by upscaling a local mesoscopic ...
9
Sound propagation and force chains in granular materials
... the sound path via polarizing filters and a high-speed ...force, sound amplitude, and sound speed on the particle ...in sound propagation, with the largest amplitude sound ...
6
Efficient geometric sound propagation using visibility culling
... simple sound propagation models. In most games only the direct sound from a source to a receiver is ...of sound are approximated by applying artist created filters [Kastbauer, ...a ...
201
Frequency Analysis of Sound Propagation Based on Direct Simulation
... the sound propagation problem plays an interdisciplinary and practical significant ...underwater sound propagation are field survey and physical ...underwater sound propagation ...
10
Low frequency sound propagation in activated carbon
... frequency sound waves, with pressures typical of audible sound, interacting with granular activated ...at sound pressures between 104 and 118 dB and low frequencies between 20 and 55 ...affecting ...
11
Nonlinear sound propagation in 2D curved ducts : a multimodal approach
... A method for studying weakly nonlinear acoustic propagation in 2D ducts of general shape—including curvature and variable width—is presented. The method is based on a local modal decomposition of the pressure and ...
37
Sound Propagation and Reconstruction Algorithm Based on Geometry
... When sound is transmitted, refraction, reflection and diffraction phenomenon is ex- hibited whenever the medium with different density is ...between sound source and receiver, and calculate direct and ...
9
Sound propagation through a rarefied gas in rectangular channels
... In this paper, we study the sound propagation inside a two-dimensional cavity, where the sound is generated by the oscillation of one of the cavity wall. We investigate the influence of both the ...
10
Discrete Simulation of Sound Propagation in the City Based on Cellular Automaton
... Simulation of Sound Propagation by CA: Spatial Aspects and Parallel Implementation Cellular automata constitute a way to model complex systems such as the phenomenon of wave propagation,[r] ...
9
A High Performance Computer Model for Sound Propagation in Human Thorax
... to sound propagation in the human lung is the use of Computed Tomography (CT) scan ...of sound at various points in the human thorax for calculating acoustic ...
47
Numerical Study on Nonlinear Sound Propagation for Parametric Array
... nonlinear sound propagation for the parametric array using the compressible form of Navier-Stokes equations combined with the mass and energy conservation equations and the state ...parametric sound ...
6
Zero Sound Propagation in Femto Scale Quantum Liquids
... zero sound propagation is ...zero sound propagation in femto- scale quantum liquids, which cannot necessarily be re- duced to the giant dipole ...
7
Predictions of angle dependent tortuosity and elasticity effects on sound propagation in cancellous bone
... Lee et al. 共2007兲 modeled the influence of angle- dependency in the elastic properties on sound propagation in cancellous bone. They considered two formulations of Biot theory and claimed that both give ...
6
Influence of sorption on sound propagation in granular activated carbon
... for sound propagation in granular activated carbon is introduced in this ...frequency sound by a granular activated carbon is in direct correlation with its nanopore volume: activated carbons with ...
63
Influence of network topology on sound propagation in granular materials
... describe sound propagation in granular networks and find that network diagnostics can be used to probe particle-, curve-, domain-, and system-scale structures in granular ...with sound ...
17
Investigation of sound propagation in a duct with a mean temperature gradient
... noise propagation in the mean ...of sound propagation through a blade ...the sound propagation in a flat plate blade row by solving the unsteady Reynolds average Navier-Stock equations ...
15
A field trial on the influence of range dependent meteorology on outdoor sound propagation
... calculations, sound pressures were calculated at 1/6 wavelength intervals and then averaged over approximately 1m to provide the ...the sound propagation under still air ...the propagation ...
24
Mechanism of sound propagation in seawater
... ray propagation was investigated using three simulated turbulence environments: internal waves, simulated eddy turbulence, and the combination of internal waves and eddy ...the sound channel axis and 10km ...
5
Prediction and control of sound propagation in turbofan engine bypass ducts
... Rearward propagating fan noise has become an increasingly important turbofan engine noise source with the current trend of high bypass-ratio designs. The increased size of the fan and outlet guide vanes (OGV) leads to ...
241
The effects of sound propagation and avoidance behaviour on naval sonar levels received by cetaceans
... 2.2.6.2), sound levels were estimated by interpolation (279 pings; 4%) or extrapolation (369 pings; 5%) and, if necessary, corrected for source level differences between ...
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