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A numerical method for the computation of induced currents inside 3-D heterogeneous biological bodies by ELF-LF electric fields

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2 Author(s)
H. -R. Chuang ; Dept. of Electr. Eng. & Syst. Sci., Michigan State Univ., East Lansing, MI, USA ; K. -M. Chen

The authors present a numerical technique based on the combination of surface-charge integral equations (SCIE) and an impedance network method for computation of electric fields and currents inside 3-D heterogeneous biological bodies with arbitrary grounding impedances induced by ELF-LF electric fields. The method has been applied to a biological concentric sphere, and the numerical results agree well with an existing analytical solution. Numerical results of the induced current inside a simplified heterogeneous model of the human head, computed by this method, are also presented.

Published in:

IEEE Transactions on Biomedical Engineering  (Volume:36 ,  Issue: 6 )