Finite-difference simulation of elastic waves propagation in multiscale media on the base of local grid refinement

Jerome Guilbot; Valery G. Khaidukov; Eugene Landa; Galina V. Reshetova; Vladimir A. Tcheverda

doi:10.1190/1.3059297

Finite-difference simulation of elastic waves propagation in multiscale media on the base of local grid refinement

Jerome Guilbot^*, Valery G. Khaidukov, Eugene Landa, Galina V. Reshetova, Vladimir A. Tcheverda

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

New numerical method for large-scale computer simulation of seismic waves in multiscale heterogeneous media is developed. As multiscale hereafter we mean media with heterogeneities of extremely different sizes. In the paper some specific multiscale medium is dealt with - karst intrusions within thin layered package. Karsts are produced as a result of interaction of water (surface or ground) with underlying bedrock, often limestone or marble. This causes very complicated, extremely irregular structure of karstintrusions - as a rule they form conjunction of local heterogeneities of different scales and very complicated shape. In order to be able to perform reliable finite-difference simulation of seismic wave's propagation through these structures the finite-difference techniques based on grids with local spatial refinement is developed and implemented.

Original language	English
Pages (from-to)	2062-2066
Number of pages	5
Journal	SEG Technical Program Expanded Abstracts
Volume	27
Issue number	1
DOIs	https://doi.org/10.1190/1.3059297
State	Published - Jan 2008
Externally published	Yes

Keywords

Elastic
Finite difference
Interpolation
Modeling
Scattering

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10.1190/1.3059297

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AU - Landa, Eugene

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AU - Tcheverda, Vladimir A.

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Finite-difference simulation of elastic waves propagation in multiscale media on the base of local grid refinement

Abstract

Keywords

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