Seismoelectric response of 2D elastic/poroelastic coupled media: A phenomenological approach

In this paper, we address the study of the seismoelectric response of an elastic medium in contact with a poroelastic half-space. In particular, we advance in the understanding of the generation mechanism of the interface response (IR) and the evanescent electromagnetic (EM) fields occurring at the...

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Autores principales: Bucher, Federico, Monachesi, Leonardo Bruno, Zyserman, Fabio Iván, Castromán, Gabriel Alejandro
Formato: Articulo
Lenguaje:Inglés
Publicado: 2023
Materias:
Geofísica
Electromagnetic theory
Numerical modelling
Wave propagation
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/172860
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SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-172860
record_format dspace
spelling I19-R120-10915-1728602024-11-08T20:09:42Z http://sedici.unlp.edu.ar/handle/10915/172860 Seismoelectric response of 2D elastic/poroelastic coupled media: A phenomenological approach Bucher, Federico Monachesi, Leonardo Bruno Zyserman, Fabio Iván Castromán, Gabriel Alejandro 2023-10-23 2024-11-08T17:28:42Z en Geofísica Electromagnetic theory Numerical modelling Wave propagation In this paper, we address the study of the seismoelectric response of an elastic medium in contact with a poroelastic half-space. In particular, we advance in the understanding of the generation mechanism of the interface response (IR) and the evanescent electromagnetic (EM) fields occurring at the contact between both media, by proposing a seismoelectric phenomenological model (SPM). Essentially, the model consists of a sequence of electric dipoles that are activated successively, simulating the seismic-to-EM energy conversion taking place with the arrival of a seismic wave at the interface separating the media. We obtained SPM responses for different scenarios and acquisition configurations and compared them with responses computed using a code based on the finite-elements method, which solves the seismoelectric equations in the compressional P and vertical shear SV waves coupled with the transverse-magnetic (TM) fields (PSVTM) mode. The SPM successfully represents not only the evanescent wave but also the IR within the elastic medium. In particular, we show that the SPM is able to faithfully reproduce the relative amplitudes of both events and their radiation patterns with a minimum computational cost. In this way, it provides a novel insight in the study of the physical phenomenon behind the seismoelectric conversions. Facultad de Ciencias Astronómicas y Geofísicas Consejo Nacional de Investigaciones Científicas y Técnicas Articulo Articulo http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) application/pdf 62-77
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Geofísica
Electromagnetic theory
Numerical modelling
Wave propagation
spellingShingle Geofísica
Electromagnetic theory
Numerical modelling
Wave propagation
Bucher, Federico
Monachesi, Leonardo Bruno
Zyserman, Fabio Iván
Castromán, Gabriel Alejandro
Seismoelectric response of 2D elastic/poroelastic coupled media: A phenomenological approach
topic_facet Geofísica
Electromagnetic theory
Numerical modelling
Wave propagation
description In this paper, we address the study of the seismoelectric response of an elastic medium in contact with a poroelastic half-space. In particular, we advance in the understanding of the generation mechanism of the interface response (IR) and the evanescent electromagnetic (EM) fields occurring at the contact between both media, by proposing a seismoelectric phenomenological model (SPM). Essentially, the model consists of a sequence of electric dipoles that are activated successively, simulating the seismic-to-EM energy conversion taking place with the arrival of a seismic wave at the interface separating the media. We obtained SPM responses for different scenarios and acquisition configurations and compared them with responses computed using a code based on the finite-elements method, which solves the seismoelectric equations in the compressional P and vertical shear SV waves coupled with the transverse-magnetic (TM) fields (PSVTM) mode. The SPM successfully represents not only the evanescent wave but also the IR within the elastic medium. In particular, we show that the SPM is able to faithfully reproduce the relative amplitudes of both events and their radiation patterns with a minimum computational cost. In this way, it provides a novel insight in the study of the physical phenomenon behind the seismoelectric conversions.
format Articulo
Articulo
author Bucher, Federico
Monachesi, Leonardo Bruno
Zyserman, Fabio Iván
Castromán, Gabriel Alejandro
author_facet Bucher, Federico
Monachesi, Leonardo Bruno
Zyserman, Fabio Iván
Castromán, Gabriel Alejandro
author_sort Bucher, Federico
title Seismoelectric response of 2D elastic/poroelastic coupled media: A phenomenological approach
title_short Seismoelectric response of 2D elastic/poroelastic coupled media: A phenomenological approach
title_full Seismoelectric response of 2D elastic/poroelastic coupled media: A phenomenological approach
title_fullStr Seismoelectric response of 2D elastic/poroelastic coupled media: A phenomenological approach
title_full_unstemmed Seismoelectric response of 2D elastic/poroelastic coupled media: A phenomenological approach
title_sort seismoelectric response of 2d elastic/poroelastic coupled media: a phenomenological approach
publishDate 2023
url http://sedici.unlp.edu.ar/handle/10915/172860
work_keys_str_mv AT bucherfederico seismoelectricresponseof2delasticporoelasticcoupledmediaaphenomenologicalapproach
AT monachesileonardobruno seismoelectricresponseof2delasticporoelasticcoupledmediaaphenomenologicalapproach
AT zysermanfabioivan seismoelectricresponseof2delasticporoelasticcoupledmediaaphenomenologicalapproach
AT castromangabrielalejandro seismoelectricresponseof2delasticporoelasticcoupledmediaaphenomenologicalapproach
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