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Quasi-spherical approach for seismic wave modeling in a 2-D slice of a global Earth model with lateral heterogeneity

Toyokuni, G; Takenaka, Hiroshi; Wang, Yanbin; Kennett, Brian


For iterative calculations of synthetic seismograms with limited computer resources, a fast and accurate modeling method is needed. Axisymmetric modeling has often been used in global seismology to restrict computational time and storage. This approach can correctly model 3-D geometrical spreading effects with computational times comparable to 2-D methods, but cannot treat asymmetric structures about the source axis. To overcome this problem, a new approach is proposed for seismic wave...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Geophysical Research Letters
DOI: 10.1029/2004GL022180


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