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Solid Earth
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Articles | Volume 11, issue 3
Articles | Volume 11, issue 3
https://doi.org/10.5194/se-11-855-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-11-855-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 3
Research article
 | 
08 May 2020
Research article |  | 08 May 2020

Azimuth-, angle- and frequency-dependent seismic velocities of cracked rocks due to squirt flow

Yury Alkhimenkov, Eva Caspari, Simon Lissa, and Beatriz Quintal

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Latest update: 30 Mar 2023
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Short summary
We perform a three-dimensional numerical study of the fluid–solid deformation at the pore scale. We show that seismic wave velocities exhibit strong azimuth-, angle- and frequency-dependent behavior due to squirt flow between interconnected cracks. We conclude that the overall anisotropy mainly increases due to squirt flow, but in some specific planes it can locally decrease as well as increase, depending on the material properties.
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