›› 2011, Vol. 32 ›› Issue (9): 2810-2814.

• Geotechnical Engineering • Previous Articles     Next Articles

Inhomogeneous seismoelectric plane waves in saturated porous media

CUI Zhi-wen，GAO Wen-yang，ZHANG Yan，WANG Ke-xie   

  1. College of Physics, Jilin University, Changchun 130012, China
  • Received:2011-01-28 Online:2011-09-10 Published:2011-09-13

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Abstract: In fluid-saturated porous media elastic waves and electromagnetic fields are coupled due to relative flow between fluid and solid phases. Based on Pride equations, inhomogeneous seismoelectric plane waves are given; and the expressions of energy flux for those waves in fluid-saturated porous media are obtained with the Helmholtz’s method; energy characteristics of inhomogeneous seismoelectric plane waves are discussed. It is shown that the mean energy flux propagates in the plane of the propagation vector and the attenuation vector, the accompanying electric field does not contribute to compressional waves’ flux. When the electrokinetic’s coupling coefficient is set to be zero, the formulations of the energy flux will be become that of energy flux for Biot elastic waves.

Key words: elastic waves, porous media, seismoelectric effect, inhomogeneous plane waves, energy flux

CLC Number: 

  • TU 45
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