Sciact
  • EN
  • RU

Computational Analysis of Seismic Waves Attenuation Caused by Porosity Variability in a Fluid-Saturated Porous Model of Thawing Permafrost Full article

Conference The 24th International Conference on Computational Science and Its Applications
01-04 Jul 2024 , Hanoi
Source Computational Science and Its Applications – ICCSA 2024 Workshops Hanoi, Vietnam, July 1–4, 2024, Proceedings
Compilation, Springer Nature. Switzerland.2024. 414 c. ISBN 978-3-031-65238-7.
Journal Lecture Notes in Computer Science
ISSN: 0302-9743 , E-ISSN: 1611-3349
Output data Year: 2024, Volume: 14817, Pages: 321-333 Pages count : 13 DOI: 10.1007/978-3-031-65238-7_22
Tags Wave field simulation · Fluid saturated porous medium · Quality factor · Staggered grid finite difference scheme
Authors Reshetova Galina 1 , Novikov Mikhail 2 , Romenski Evgeniy 3
Affiliations
1 Institute of Computational Mathematics and Mathematical Geophysics SB RAS
2 Trofimuk Institute of Petroleum Geology and Geophysics SB RAS
3 Sobolev Institute of Mathematics SB RAS

Funding (1)

1 Russian Science Foundation 22-11-00104

Abstract: A computational model for wave fields simulation in a saturated deformable porous medium is presented. The governing differential equations of the model are derived from a general Symmetric Hyperbolic Thermodynamically Compatible (SHTC) two-phase model of saturated porous medium and form a linear PDE system allowing the application of an efficient finite difference method on a staggered grid. A series of numerical test problems showed a strong dependence of wave attenuation on porosity and relaxation time coefficient. It was also shown that the constitutive equations of the SHTC give a constant value of the quality factor over a range of seismic frequencies, making it possible to use the SHTC model to develop seismic methods for monitoring permafrost thaw.
Cite: Reshetova G. , Novikov M. , Romenski E.
Computational Analysis of Seismic Waves Attenuation Caused by Porosity Variability in a Fluid-Saturated Porous Model of Thawing Permafrost
In compilation Computational Science and Its Applications – ICCSA 2024 Workshops Hanoi, Vietnam, July 1–4, 2024, Proceedings. – Springer Nature., 2024. – Т.Part III. – C.321-333. – ISBN 978-3-031-65238-7. DOI: 10.1007/978-3-031-65238-7_22 WOS Scopus OpenAlex
Dates:
Published print: Jul 26, 2024
Published online: Jul 26, 2024
Identifiers:
Web of science: WOS:001294364500022
Scopus: 2-s2.0-85200785228
OpenAlex: W4401000305
Citing: Пока нет цитирований
Altmetrics: