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Propagation of leaking interface waves

Phinney, Robert A. (1961) Propagation of leaking interface waves. Bulletin of the Seismological Society of America, 51 (4). pp. 527-555. ISSN 0037-1106.

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With simple generalizations of the method due to Rosenbaum (1961) and Phinney (1961), single integral expressions may be written down for the long range pole contributions to the transient signal in a plane seismic waveguide. This method yields expressions for the leaking, or imperfectly trapped waves, and suffers from no restriction on the number of layers or the existence of coupling to one or two half-spaces. When it is applied to the simple interface wave problem of two halfspaces in contact, closed form expressions are obtained describing the propagation of pulses along the interface due to lower sheet poles. The theory is applied to the Lamb problem, the liquid/solid interface, and the solid/solid interface problems. The leaking wave generalizations of the Rayleigh and Stoneley waves are found and a new wave, coupled to the P-wave, is demonstrated. The physical importance of leaking interface pulses is shown to be in their coupling to the normal or leaking oscillations of layered structures.

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Additional Information:Copyright © 1961, by the Seismological Society of America. Manuscript received for publication April 10, 1961. The author wishes to thank Dr. Frank Press for his advice and encouragement throughout this work. This research was partially supported by Contract No. DA-04-495 Ord. 1808 (Model Seismology) of the Office of Ordnance Research, U. S. Army. The author did this work under a National Science Foundation Fellowship for 1960-1961.
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Army Research Office (ARO)DA-04-495 Ord. 1808
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Caltech Division of Geological Sciences1023
Issue or Number:4
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47826
Deposited By: George Porter
Deposited On:01 Aug 2014 21:43
Last Modified:03 Oct 2019 06:57

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