1887

Abstract

High-order finite-difference (PD) schemes for the numerical integration of elastodynamic equations offer a viabIe answer to the challenges of large scale geophysical modeling. Several authors have proposed non-dispersive numerical spatial differentiators: such operators are designed by maximizing the spectral frequency band for which a peak relative error in the numerical group velocity is bounded by a specified threshold. In previous publications, the authors of this paper have explicitly addressed the cost-effectiveness issue in non-dispersive numerica! wave propagation.

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/content/papers/10.3997/2214-4609.201410938
1991-05-28
2020-05-25
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