A 2.5-D time-domain elastodynamic equation for plane-wave incidence

H. Takenaka, B. L.N. Kennett

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

In this paper, a 2.5-D elastodynamic equation in the time domain is constructed for seismic wavefields in models with a 2-D variation in structure but obliquely incident plane waves. The approach does not require wavenumber summation, and as a result requires much less computation time than in previous techniques. The modelling of such seismic wavefields for a 2.5-D situation with an incident plane wave is of considerable practical importance: for example, this approach can be applied to the modelling of the local response of an irregular basin structure, or to teleseismic body waveforms from shallow earthquakes occurring in subduction zones, where the laterally heterogeneous medium can have a large effect on the waveform. -from Authors

Original languageEnglish
Pages (from-to)F5-F9
JournalGeophysical Journal International
Volume125
Issue number2
Publication statusPublished - Jan 1 1996
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology

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