A Numerical Method for the Computation of Induced Currents Inside 3-D Heterogeneous Biological Bodies by ELF–LF Electric Fields

Huey-Ru Chuang, Kun Mu Chen

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A numerical technique, based on the combination of surface-charge integral equations (SCIE) and an impedance network method, has been developed to compute internal 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.

Original languageEnglish
Pages (from-to)628-634
Number of pages7
JournalIEEE Transactions on Biomedical Engineering
Volume36
Issue number6
DOIs
Publication statusPublished - 1989 Jan 1

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Induced currents
Numerical methods
Electric fields
Electric currents
Electric grounding
Surface charge
Integral equations

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering

Cite this

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abstract = "A numerical technique, based on the combination of surface-charge integral equations (SCIE) and an impedance network method, has been developed to compute internal 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.",
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AB - A numerical technique, based on the combination of surface-charge integral equations (SCIE) and an impedance network method, has been developed to compute internal 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.

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