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Showing 1 to 4 of 4 for “"geometrical acoustics"”.
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Three-dimensional acoustic propagation through shallow water internal, surface gravity and bottom sediment waves
… of a semi-quantitative study based on the geometrical acoustics approximation and on fully three-dimensional coupled mode numerical modeling is used to examine the azimuthal dependence of sound wave horizontal reflection from, transmission through and ducting between straight parallel waves …
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Three-dimensional acoustic propagation through shallow water internal, surface gravity and bottom sediment waves
… of a semi-quantitative study based on the geometrical acoustics approximation and on fully three-dimensional coupled mode numerical modeling is used to examine the azimuthal dependence of sound wave horizontal reflection from, transmission through and ducting between straight parallel waves …
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Stochastic turning point problem
… the interplay of total internal reflection (geometrical acoustics) and random multiple scattering (localization phenomena) is analyzed for the turning point problem. The problem, in particular, above the turning point is formulated in terms of a transition scale. Two limit theorems for …
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A numerical hybrid method for modeling outdoor sound propagation in complex urban environments
Prediction of the sound field in large urban environments has been limited thus far by the heavy computational requirements of conventional numerical methods such as boundary element (BE), finite-difference time-domain (FDTD), or ray-tracing methods. Recently, a considerable amount of work has been …