Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

The application of the perfectly matched layer in numerical modeling of wave propagation in poroelastic media

The application of the perfectly matched layer in numerical modeling of wave propagation in... <jats:p> The perfectly matched layer (PML) was first introduced by Berenger as a material absorbing boundary condition (ABC) for electromagnetic waves. In this paper, a method is developed to extend the perfectly matched layer to simulating seismic wave propagation in poroelastic media. This nonphysical material is used at the computational edge of a finite‐difference algorithm as an ABC to truncate unbounded media. The incorporation of PML in Biot’s equations is different from other PML applications in that an additional term involving convolution between displacement and a loss coefficient in the PML region is required. Numerical results show that the PML ABC attenuates the outgoing waves effectively. </jats:p> http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png GEOPHYSICS CrossRef

The application of the perfectly matched layer in numerical modeling of wave propagation in poroelastic media

GEOPHYSICS , Volume 66 (4): 1258-1266 – Jul 1, 2001

The application of the perfectly matched layer in numerical modeling of wave propagation in poroelastic media


Abstract

<jats:p> The perfectly matched layer (PML) was first introduced by Berenger as a material absorbing boundary condition (ABC) for electromagnetic waves. In this paper, a method is developed to extend the perfectly matched layer to simulating seismic wave propagation in poroelastic media. This nonphysical material is used at the computational edge of a finite‐difference algorithm as an ABC to truncate unbounded media. The incorporation of PML in Biot’s equations is different from other PML applications in that an additional term involving convolution between displacement and a loss coefficient in the PML region is required. Numerical results show that the PML ABC attenuates the outgoing waves effectively. </jats:p>

Loading next page...
 
/lp/crossref/the-application-of-the-perfectly-matched-layer-in-numerical-modeling-qrm0dvPAwz

References

References for this paper are not available at this time. We will be adding them shortly, thank you for your patience.

Publisher
CrossRef
ISSN
0016-8033
DOI
10.1190/1.1487073
Publisher site
See Article on Publisher Site

Abstract

<jats:p> The perfectly matched layer (PML) was first introduced by Berenger as a material absorbing boundary condition (ABC) for electromagnetic waves. In this paper, a method is developed to extend the perfectly matched layer to simulating seismic wave propagation in poroelastic media. This nonphysical material is used at the computational edge of a finite‐difference algorithm as an ABC to truncate unbounded media. The incorporation of PML in Biot’s equations is different from other PML applications in that an additional term involving convolution between displacement and a loss coefficient in the PML region is required. Numerical results show that the PML ABC attenuates the outgoing waves effectively. </jats:p>

Journal

GEOPHYSICSCrossRef

Published: Jul 1, 2001

There are no references for this article.