Scattering of interface waves from pointlike obstacles

Journal of the Acoustical Society of America

Volumn 103, Issue 5 I, 1998, Pages 2344-2353

  Smith, Eric ^a  

^a UNIVERSITY OF TEXAS AT AUSTIN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTICS; ARTICLE; CALCULATION; MATHEMATICAL ANALYSIS; MATHEMATICAL MODEL; PRIORITY JOURNAL; THEORY;

EID: 0031865135     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.422753     Document Type: Article

References (19)

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2. J. T. Goh and H. Schmidt, "Benchmark cases for range-dependent, seismoacoustic propagation codes," J. Acoust. Soc. Am. 98, 2970(A) (1995).
3. See, for example, L. M. Brekhovskikh and Yu. Lysanov, Fundamentals of Ocean Acoustics (Springer-Verlag, Berlin, 1982), or J. A. Ogilvy, "Wave scattering from rough surfaces," Rep. Prog. Phys. 50, 1553 (1987). A tutorial introduction to the effective medium approach is given in J. M. Hovem, "Scattering from Particles and Inclusions in Solids," Lecture notes for Norfa Course in Acoustical Scattering, Visby, Sweden (1995 ).
4. See, for example, L. M. Brekhovskikh and Yu. Lysanov, Fundamentals of Ocean Acoustics (Springer-Verlag, Berlin, 1982), or J. A. Ogilvy, "Wave scattering from rough surfaces," Rep. Prog. Phys. 50, 1553 (1987). A tutorial introduction to the effective medium approach is given in J. M. Hovem, "Scattering from Particles and Inclusions in Solids," Lecture notes for Norfa Course in Acoustical Scattering, Visby, Sweden (1995 ).
5. See, for example, L. M. Brekhovskikh and Yu. Lysanov, Fundamentals of Ocean Acoustics (Springer-Verlag, Berlin, 1982), or J. A. Ogilvy, "Wave scattering from rough surfaces," Rep. Prog. Phys. 50, 1553 (1987). A tutorial introduction to the effective medium approach is given in J. M. Hovem, "Scattering from Particles and Inclusions in Solids," Lecture notes for Norfa Course in Acoustical Scattering, Visby, Sweden (1995 ).
6. B. Schmalfelt, "A comparison of seismic and hydroacoustic measurements at very low Frequencies in different shallow water areas," in Ocean Seismo-Acoustics, edited by T. Akal and J. Berkson (Plenum, New York, 1986) (Volume of the NATO Conference Series: Marine Science, SACLANT ASW Research Centre, La Spezia, Italy).
7. B. Schmalfelt and D. Rauch, "Ambient and ship-induced low-frequency noise in shallow water," in Bottom-Interacting Ocean Acoustics, edited by W. A. Kuperman and F. B. Jensen (Plenum, New York, 1986) (Volume of the NATO Conference Series: Marine Science, SACLANT ASW Research Centre, La Spezia, Italy).
8. R. A. Stephen, "Bottom penetration at subcritical grazing angles by scattering," J. Acoust. Soc. Am. 99, 2475(A) (1996).
9. R. A. Stephen and S. T. Bolmer, "Interface waves in seafloor propagation and scattering problems," J. Acoust. Soc. Am. 99, 2552(A) (1996).
10. Å. Kristensen and R. Mittet, "Using surface waves to detect a point diffractor buried at the sea bottom," STATOIL report N-7005, IKU report N-7034, Trondheim, Norway (1996).
11. E. Smith, J. Behrens, P. Wilson, B. Wolz, T. Muir, and A. Atchley, "Scattering of seismic interface waves from pointlike obstacles in unconsolidated sediments," J. Acoust. Soc. Am. 96, 3330(A) (1994).
12. E. Smith, P. S. Wilson, F. W. Bacon, J. F. Manning, J. A. Behrens, and T. G. Muir "Measurement and localization of interface wave reflections from a buried target," J. Acoust. Soc. Am. 103, 2333-2343 (1998).
13. A. E. H. Love, Some Problems of Geodynamics (Cambridge U.P., Cambridge, 1926).
14. E. K. Westwood, C. T. Tindle, and N. R. Chapman, "A Normal Mode Model for Acousto-Elastic Ocean Environments," J. Acoust. Soc. Am. (submitted).
15. E. Hamilton, "Elastic Properties of Marine Sediments," J. Geophys. Res. 76, 679 (1971).
16. Strictly, the column represented by ℚ contains monopole as well as quadrupole components, but an expansion in power of the scattering angle is convenient for this application.
17. R. J. Urick, Principles of Underwater Sound (McGraw-Hill, New York, 1983), 3rd ed., p. 291.
18. R. Mittet, private communication.
19. P. M. Morse and H. Feshbach, Methods of Theoretical Physics (McGraw-Hill, New York, 1953), pp. 1264, 1325.