Slowness matching finite difference method for traveltimes beyond transmission caustics

William Woodbury Symes

doi:10.1117/12.255215

28 October 1996 Slowness matching finite difference method for travel times beyond transmission caustics

William Woodbury Symes

Proceedings Volume 2822, Mathematical Methods in Geophysical Imaging IV; (1996) https://doi.org/10.1117/12.255215
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Conventional finite difference eikonal solvers produce only the first arrival time. However suitable solvers (of sufficiently high order of accuracy) may be extended via Fermat's principle to yield a simple algorithm which computes all travel times to each subsurface point, with cost on the same order as that of a first arrival solver.

Citation Download Citation

William Woodbury Symes "Slowness matching finite difference method for travel times beyond transmission caustics", Proc. SPIE 2822, Mathematical Methods in Geophysical Imaging IV, (28 October 1996); https://doi.org/10.1117/12.255215

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