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A practical grid-based method for tracking mulitple refraction and reflection phases in three-dimensional heterogeneous media

de Kool, Marthijn; Rawlinson, Nicholas; Sambridge, Malcolm

Description

We present a practical grid-based method in 3-D spherical coordinates for computing multiple phases comprising any number of reflection and transmission branches in heterogeneous layered media. The new scheme is based on a multistage approach which treats each layer that the wave front enters as a separate computational domain. A finite-difference eikonal solver known as the fast-marching method (FMM) is reinitialized at each interface to track the evolving wave front as either a reflection...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/22153
Source: Geophysical Journal International
DOI: 10.1111/j.1365-246X.2006.03078.x

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