| Popis: |
In this paper we present the modification and verification of a 3D frequency-domain electromagnetic modeling algorithm for dealing with heterogeneous, anisotropic magnetic permeability. To test the modifications, the code is verified against a 1D layered earth response, and 3D axially-symmetric doughnut model. In addition, to better understand the magnetic field responses to both conductivity and permeability, analytical analysis is performed and demonstrates that in a low induction number (|k ∗ r| ? 1) regime the ”magnetic current” or magnetization may be more important thant the induced electric current in determining the EM response to a medium. |
