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Modified Pseudo-spectral Method for Wave Propagation Modelling in Arbitrary Anisotropic MediaNormal access

Authors: Z. Peng and J.B. Cheng
Event name: 78th EAGE Conference and Exhibition 2016
Session: Seismic Modelling (B)
Publication date: 31 May 2016
DOI: 10.3997/2214-4609.201601417
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.08Mb )
Price: € 20

We propose a modified pseudo-spectral method for numerical simulation of wave propagation in general anisotropic media. This approach uses rotated staggered grid configuration to implement spatial Fourier derivatives operators. It overcomes some shortages of the pseudo-spectral scheme based on the standard staggered grids, and thus can be efficiently used to simulate seismic wave propagation in anisotropic media with symmetries lower than orthorhombic. Synthetic examples demonstrate that this approach can obtain dispersion-free wave propagation modelling for those complex anisotropic media.

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