Fast and accurate finite-difference solutions of the 3D eikonal equation parametrized in celerity

1997 SEG Annual Meeting

Volumn , Issue , 1997, Pages 1774-1777

  Pica, A ^a  

^a CGG   (France)

Author keywords

[No Author keywords available]

Indexed keywords

GEOMETRICAL OPTICS; TRAVEL TIME; WAVEFRONTS;

CARTESIAN SYSTEMS; COMPUTATION STEPS; EIKONAL EQUATION; EIKONAL SOLUTIONS; FINITE-DIFFERENCE SOLUTION; GEOLOGICAL FEATURES; REFRACTED WAVES; WAVE-FRONT CURVATURE;

DIFFERENTIAL EQUATIONS;

EID: 85026607287     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1190/1.1885777     Document Type: Conference Paper

References (9)

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2. Geoltrain, S., and Brac, J., 1993, Can we image complex structures with first-arrival traveltimes?: Geophysics, 51, 16851688.
3. Kessler, D., and Canales, L., 1995, Mixed-grid solution of the 3-D Eikonal equation: 1995 SEG Annual Meeting Expanded Abstracts.
4. Klimes, L., 1996: Grid travel-time tracing: second-order method for the first arrivals in smooth media, PAGEOPH, 148, 539-563".
5. Mendes, M., Morgado, L., Buxo, A., 1997, Interpolation sensitivity of the 3D ASI: Final Report EEC Joule contract JOU2-CT93-0321, 3D Asymptotic Seismic Imaging, 25 l-266.
6. Nichols, D. E., 1996, Maximum energy traveltimes calculated in the seismic frequency band: Geophysics, 61, 253-263.
7. Pica, A., 1997, Maximum energy traveltimes and amplitudes calculated in a lowfrequency band, 1997 59th EAGE Conference Extended Abstracts.
8. Podvin, P., and Lecomte, I., 1991, Finite difference computation of traveltimes in very contrasted velocity models: a massively parallel approach and its associated tools: Geophys. J. Int., 105, 271-284.
9. Schneider, W. 1993, Robust, efficient upwind finite-difference traveltime calculations in 3D: 1993 SEG Annual Meeting Expanded Abstracts.