 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 12949 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8096
|
| In English (Mech. Solids): | | 4853 |
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| << Previous article | Volume 59, Issue 4 / 2024 | Next article >> |
| Xiu'e Zhang and Yonggang Kang, "Propagation and Attenuation of Elastic Wave in a Fluid-Saturated Triple-Porosity Medium," Mech. Solids. 59 (4), 2254-2268 (2024) |
| Year |
2024 |
Volume |
59 |
Number |
4 |
Pages |
2254-2268 |
| DOI |
10.1134/S0025654424604312 |
| Title |
Propagation and Attenuation of Elastic Wave in a Fluid-Saturated Triple-Porosity Medium |
| Author(s) |
Xiu'e Zhang (Institute of Disaster Prevention, Sanhe 065201, Hebei, China, zhangxiue2005@163.com)
Yonggang Kang (Institute of Disaster Prevention, Sanhe 065201, Hebei, China, 81624304@163.com) |
| Abstract |
Triple-porosity models provide a possibility to investigate the significant problem in some
natural sciences and engineering fields. These media often consist of different scale fractures/cracks
with different permeability embedded in a matrix with low-permeability pores. In this paper, the phenomenological equation for the elastic wave propagating in a fluid-saturated triple-porosity medium is developed based on the Lagrangian method. The mass coefficients in kinetic energy and drag coefficients in dissipation energy are obtained by reducing them to single- and double-porosity cases. The
plane wave analysis shows that there are four compressional waves and one shear wave, namely, one more compressional wave is generated comparing with the double-porosity model. The dispersion and
attenuation of the compressional and shear waves at multiple frequencies are analyzed based on the
numerical results. It is observed that the first compressional wave has two attenuation peaks, namely,
one more attenuation peak is observed comparing with the double-porosity case. |
| Keywords |
triple-porosity model, elastic wave, porous medium, dispersion and attenuation |
| Received |
16 June 2024 | Revised |
29 July 2024 | Accepted |
04 August 2024 |
| Link to Fulltext |
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