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Published April 1977 | Published
Journal Article Open

A note on the earth-stretching approximation for Love waves


Earth-flattening transformations provide an efficient means for computing Love-wave dispersion and torsional normal mode frequencies in radially heterogeneous, spherically symmetric earth models. These transformations involve simple algebraic sealing factors applied to solutions for SH waves in a layered half-space. They result in considerable computational savings over solutions expressed directly in spherical geometry. Several earth-flattening transformations for SH waves are described in the literature (Anderson and Toksöz, 1973; Sato, 1968; Biswas and Knopoff, 1970). Chapman (1973) has examined the general class of power-law earth-flattening transformations and their application to body-wave problems.

Additional Information

Copyright © 1977, by the Seismological Society of America. Manuscript received August 9, 1976. We have profited from helpful discussions with David G. Harkrider. This research was partially supported by the Advanced Research Projects Agency of the Department of Defense and was monitored by the Air Force Office of Scientific Research under Contract F44620-72-C-0078.

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