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Published June 1968 | Published
Journal Article Open

The perturbation of Love wave spectra


The equations governing the variational principles for Love wave spectra are investigated. It is shown that assumptions used by earlier authors are not necessary to the validity of the variational techniques. Moreover it is demonstrated that except for a homogeneous plate, these assumptions are false for plane multilayered media and lead to incorrect expressions for group-velocity perturbations. The correct expressions are determined and examples of their use are given.

Additional Information

© 1968 Seismological Society of America. Manuscript received August 31, 1967. This research was supported by the Advanced Research Projects Agency and was monitored by the Air Force Office of Scientific Research under contract AF49(638)-1693.

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August 19, 2023
October 24, 2023