Simulation of the planar free surface with near-surface lateral discontinuities in the finite-difference modeling of seismic motion

Bulletin of the Seismological Society of America

Volumn 94, Issue 2, 2004, Pages 760-768

  Moczo, Peter ^a   Kristek, Jozef ^b   Gális, Martin ^a  

^a Physics and Informatics   (Slovakia)

^b INSTITUTE OF CHEMISTRY   (Slovakia)

Author keywords

[No Author keywords available]

Indexed keywords

APPROXIMATION THEORY; FINITE ELEMENT METHOD; IMAGING TECHNIQUES; SENSITIVITY ANALYSIS; STRESS ANALYSIS; TENSORS;

ADJUSTED FD APPROXIMATIONS (AFDAS) TECHNIQUES; PLANAR FREE SURFACE; SEISMIC MOTION;

SEISMOLOGY;

FINITE DIFFERENCE METHOD; GROUND MOTION; NUMERICAL MODEL; SEISMICITY;

EID: 2542523847     PISSN: 00371106     EISSN: None     Source Type: Journal    
DOI: 10.1785/0120030051     Document Type: Article

References (7)

1. Gottschämmer, E., and K. B. Olsen (2001). Accuracy of the explicit planar free-surface boundary condition implemented in a fourth-order staggered-grid velocity-stress finite-difference scheme, Bull. Seism. Soc. Am 91, 617-623.
2. Graves, R. W. (1996). Simulating seismic wave propagation in 3D elastic media using staggered-grid finite differences, Bull. Seism. Soc. Am. 86, 1091-1106.
3. Kristek, J., P. Moczo, and R. J. Archuleta (2002). Efficient methods to simulate planar free surface in the 3D fourth-order staggered-grid finite-difference schemes, Studia Geophys. Geodet. 46, 355-381.
4. Levander, A. (1988). Fourth-order finite-difference P-SV seismograms, Geophysics 53, 1425-1436.
5. Moczo, P., J. Kristek, and L. Halada (2000). 3D fourth-order staggered-grid finite-difference schemes: stability and grid dispersion, Bull. Seim Soc. Am. 90, 587-603.
6. Moczo, P., J. Kristek, V. Vavryǔk, R. J. Archuleta, and L. Halada (2002). 3D heterogeneous staggered-grid finite-difference modeling of seismic motion with volume harmonic and arithmetic averaging of elastic moduli and densities, Bull. Seism. Soc. Am. 92, 3042-3066.
7. Rodrigues, D. (1993). Large-scale modeling of seismic wave propagation, Ph.D. Thesis, Ecole Centrale Paris.