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Including near-field terms in the isochrone integration method for application to finite-fault or kirchhoff boundary integral problems

Bulletin of the Seismological Society of America
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Abstract

In many types of seismological and engineering problems, it is necessary to perform a surface integral involving a Green's function having either a source or receiver point on the surface. For far-field terms of the Green's function, it is well known that the surface integral can be reduced to a line integral, yielding a considerable computational advantage. In this work we show that a similar transformation to a line integral can be made for the near-field terms when the Green's function is for a uniform whole space. The necessary condition is that the various terms in the Green's function can be transformed into sums of nondispersive pulses. We accomplish this for near-field terms in a whole space by repeatedly time-differentiating the terms.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Including near-field terms in the isochrone integration method for application to finite-fault or kirchhoff boundary integral problems
Series title Bulletin of the Seismological Society of America
Volume 84
Issue 4
Year Published 1994
Language English
Publisher Seismological Society of America
Description 6 p.
First page 1260
Last page 1265