1887

Abstract

The most widespread of the discrete numerical methods for modelling seismic wave propagation, are the finite difference (FDM), the Fourier or pseudo-spectral (FSM), and the finite clement (FEM) methods (Boore, 1972; Kelly et al., 1976; Lysmer, 1972; Gazdag, 1981; Kosloff, 1982; Kosloff et al., 1984; Marfurt, 1984), Even though based on different mathematical approaches, all three methods rely on the space discretization of the geological structure to be modelled. In particular, the pseudo-spectral rnethod can he seen as a limiting case of the finito difference methods of increasing orders and accuracies (Fornberg, 1987).

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/content/papers/10.3997/2214-4609.201410937
1991-05-28
2020-05-27
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