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Published April 1962 | Published
Journal Article Open

Computation of surface wave dispersion for multilayered anisotropic media


With the program described in this paper it is now possible to compute surface wave dispersion in a solid heterogeneous halfspace containing up to 200 anisotropic layers. Certain discrepancies in surface wave observations, such as disagreement between Love and Rayleigh wave data and other independent evidence, suggest that anisotropy may be important in some seismological problems. In order to study the effect of anisotropy on surface wave dispersion a program was written for an IBM 7090 computer which will compute dispersion curves and displacements for Rayleigh waves in a layered halfspace in which each layer is transversely isotropic. A simple redefinition of parameters makes it possible to use existing programs to compute Love wave dispersion.

Additional Information

© 1962 Seismological Society of America. Manuscript received October 19, 1961. This paper represents research conducted at the Seismological Laboratory of the California Institute of Technology under Contract No. AF-49(638)910 of the Air Force Technical Applications Center as part of the Advanced Research Projects Agency project VELA.

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August 19, 2023
October 26, 2023