Pulse propagation in a laterally heterogeneous fluid sphere by finite difference methods

Z. S. Alterman, J. Aboudi

Research output: Contribution to journalArticlepeer-review

Abstract

The motion of a heterogeneous fluid sphere due to an impulsive point source is calculated by several finite difference schemes and is interpreted in terms of reflected and diffracted pulses. The deviations due to heterogeneity from the results for the homogeneous sphere are calculated explicitly. Calculations show the change in amplitude of pulses and dispersion due to continuous variation of compressional velocity c, as compared with discontinuities in c.

Original languageEnglish
Pages (from-to)173-193
Number of pages21
JournalJournal of Physics of the Earth
Volume16
DOIs
StatePublished - 1968

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