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Numerical Simulation of Frequency-Domain IP with FEM

YANG Xiao-hong,　HE Ji-shan   

  1. School of Info-Physics and Geomatics Engineering, Central South University, Changsha 410083,China
  • Received:2007-10-23 Revised:1900-01-01 Online:2008-07-26 Published:2008-07-26
  • Contact: YANG Xiao-hong

Abstract: On low frequency and ignoring the EM effect, the finite element method and the Cole-Cole model were used to take numerical simulation for IP response in frequency domain. Under the 3-D condition, the electrical field boundary value problems and the variational problems of were given, the frequency response of Cole-Cole model was introduced into geoelectric model, the finite element method was used for element subdivision, interpolation, integration and general synthesis of the model, and the parameter of IP-fs (breadth frequencies) represented the polarization strength in frequency domain was obtained by solving the equation. The different response curves of fs were obtained by changing the parameters of the geoelectric model, and the simulation results were consistent with the real results，indicating the method is correct and applicable.

Key words: IP method, finite element method, Cole-Cole model, PFE

CLC Number: 

  • P631.325
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