Wednesday, March 24

Finite Difference Travel-Time Computation

10:00 AM-12:00 PM
Room: Ballroom B

Finite difference travel-time computation is now a well-established tool in applied geophysics. Until recently, these algorithms were limited to isotropic wave modes and first arrivals, for excellent theoretical reasons. Recent advances have begun to chip away at these limitations, as the speakers in this session will show.

Organizer: William W. Symes
Rice University

10:00-10:25 Finite-Difference Computation of Travel-Time Triplications
Jean-David Benamou, INRIA, Roquencourt, Le Chesnay, France
10:30-10:55 Adaptive Grid Eikonal Solvers
William W. Symes, Organizer
11:00-11:25 Upwind Finite Difference Schemes for Travel-Time and Amplitude in Inhomogeneous Antisotropic Media
Jian Liang Qian, Rice University; and William W. Symes, Organizer
11:30-11:55 3-D Travel-Time Computation by Huygens Wavefront Tracing
Paul C. Sava and Sergey Fomel, Stanford University

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MMD, 11/20/98