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Modeling of subcritical penetration into sediments due to interface roughness

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Abstract
Recent experimental results reveal acoustic penetration into sandy sediments at grazing angles below the critical angle. We have been investigating a mechanism for subcritical penetration based on scattering at a rough water-sediment interface. Using perturbation theory, a numerically tractable three-dimensional model has been developed for simulating experiments. Data-model comparisons show that interface roughness is a viable 11)pothesis for the observed subcritical penetration.

URI
http://hdl.handle.net/20.500.12489/473

Report Number
CP-45

Source
In: High Frequency Seafloor Acoustics (SACLANTCEN Conference Proceedings CP-45), 1997, pp. 563-570

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Date
1997

Author(s)
Thorsos, Eric I.
; 
Jackson, Darrell R.
; 
Moe, John E.
; 
Wiliams, Kevin L.

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CP-45_Thorsos_ModelingSubcriticalPenetration.pdf (2.948Mb)

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