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The Spectral-Element Method, Beowulf Computing, and Global Seismology

Komatitsch, Dimitri and Ritsema, Jeroen and Tromp, Jeroen (2002) The Spectral-Element Method, Beowulf Computing, and Global Seismology. Science, 298 (5599). pp. 1737-1742. ISSN 0036-8075. doi:10.1126/science.1076024.

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The propagation of seismic waves through Earth can now be modeled accurately with the recently developed spectral-element method. This method takes into account heterogeneity in Earth models, such as three-dimensional variations of seismic wave velocity, density, and crustal thickness. The method is implemented on relatively inexpensive clusters of personal computers, so-called Beowulf machines. This combination of hardware and software enables us to simulate broadband seismograms without intrinsic restrictions on the level of heterogeneity or the frequency content.

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Tromp, Jeroen0000-0002-2742-8299
Additional Information:© 2002 American Association for the Advancement of Science. This is contribution no. 8886 of the Division of Geological and Planetary Sciences, California Institute of Technology. We thank B. Romanowicz for making her δlnQ map available, F. Reid for providing her δt*_(SS-S) map, and two anonymous reviewers for helpful comments. This research was funded in part by the NSF.
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Caltech Division of Geological and Planetary Sciences8886
Issue or Number:5599
Record Number:CaltechAUTHORS:20141114-130753171
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:51782
Deposited By: Tony Diaz
Deposited On:14 Nov 2014 21:50
Last Modified:10 Nov 2021 19:15

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