Acoustic interactions with submerged elastic structures. : by Hans A Bethe; A Guran; Herbert Überall; et al

By Hans A Bethe; A Guran; Herbert Überall; et al

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Extra info for Acoustic interactions with submerged elastic structures. : Part III, Acoustic propagation and scattering, wavelets, and time frequency analysis a Herbert Überall festschrift volume

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3C. , 95, pp 2437-2440, 1994 Acoustic Interactions with Submerged Elastic Structures, Part III, pp. 31-54 edited by A. Guran, A. D e Hoop, D. Guicking and F. on and Control of Systems Series B/ Vo^. ) World Scientific Publishing Company M O D E L I N G O F S O U N D PROPAGATION O V E R A SHEAR-SUPPORTING SEDIMENT LAYER A N D SUBSTRATE J U A N I. , D C 20064 A series of model tank measurements carried out by Glegg et al. at Florida Atlantic University (FAU) has furnished data for range-independent and for downslope sound propagation over consolidated bottom sediments simulating the ocean floor.

I. L. CZegg and J. M. R^ey The acoustic field is then obtained as before by writing the field in the form (29) ^=Ax n'^y)' i J ^ — ^ ^ - n^^/)' i J -—^—^*; U=i J-^-=. ^y where the angle of incidence onto each surface is n o w taken as die angle from the source displaced by x,/-" rather than the actual source position. This leads to an expression for the acoustic field which is identical to (21) but with -V replaced by the magnitude of the reflection coefficient and the source images shifted by x/-')=(x/-",y/^,0).

AcoMjf. &)c. A m . 78, pp 1366-1374 (1985). 10. B. H. Tindle,"A three-dimensional analysis of acoustic propagation in a penetrable wedge slice," 7. AcoMr. 5oc. A m . 92, pp 1583-1592 (1992). 11. B. J. Buckingham, "An analysis of the three-dimensional sound field in a penetrable wedge with a stratified fiuid or elastic basement," 7. AcoM^f. 5oc. A m . 93, pp 13191327 (1993). 12. K. Westwood, "Complex ray methods for acoustic interaction at a fluid-fluid interface," 7. AcoMj/. 3oc. A m . 85, pp 1872-1884 (1989).

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