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Seismoelectric wave propagation through a fluid-saturated porous sandwiched interlayer
Applied Mathematical Modelling ( IF 5 ) Pub Date : 2024-04-11 , DOI: 10.1016/j.apm.2024.04.004
Yonggang Kang , Peijun Wei , Yueqiu Li

The seismoelectric waves generated in a fluid-saturated porous interlayer and the reflection/transmission characteristics at the interfaces of sandwiched structure are studied in this paper. Aiming to describe the strong attenuation and dispersion simultaneously at seismic and sonic frequencies, a new fractional viscoelastic model for the solid skeleton is introduced to the Pride's seismoelectric coupling theory. Using the interfacial continuity of stress, displacements, magnetic and electric fields, the reflection/transmission coefficients are determined. The numerical results are provided and shown graphically. The effects of seismoelectric coupling and the viscoelastic characteristics of solid skeleton on the reflection and transmission of seismoelectric waves are mainly studied. It is observed that the thickness, porosity and the viscoelastic characteristics of solid skeleton have evident effects not only on the electromagnetic waves but also on the seismic waves.

中文翻译:

地震电波通过流体饱和多孔夹层的传播

本文研究了流体饱和多孔夹层中产生的地震电波以及夹层结构界面处的反射/透射特性。为了同时描述地震和声波频率下的强衰减和色散,Pride的震电耦合理论中引入了一种新的固体骨架分数粘弹性模型。利用应力、位移、磁场和电场的界面连续性,确定反射/透射系数。提供数值结果并以图形方式显示。主要研究震电耦合和固体骨架的粘弹性特性对震电波反射和传输的影响。研究发现,固体骨架的厚度、孔隙率和粘弹性特性不仅对电磁波有明显的影响,而且对地震波也有明显的影响。
更新日期:2024-04-11
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