Use of the Finite-Difference Time-Domain Method for Calculating EM Absorption in Man Models

Dennis M. Sullivan; Om P. Gandhi; Allen Taflove

doi:10.1109/10.1360

Use of the Finite-Difference Time-Domain Method for Calculating EM Absorption in Man Models

Dennis M. Sullivan, Om P. Gandhi, Allen Taflove

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

104 Scopus citations

Abstract

The finite-difference time-domain (FDTD) method is used to calculate the detailed specific absorption rate (SAR) within the human body. SAR distributions are calculated using incident frequencies of 100 and 350 MHz for three different cases: 1) a homogeneous man model in free space, 2) an inhomogeneous man model in free space, and 3) an inhomogeneous man model standing on a ground plane. These various cases are used to evaluate the advantage of inhomogeneous models over homogeneous models, and grounded models versus free space models. Finally, comparison is made between the results obtained here and those obtained experimentally or with the method of moments (MoM).

Original language	English (US)
Pages (from-to)	179-186
Number of pages	8
Journal	IEEE Transactions on Biomedical Engineering
Volume	35
Issue number	3
DOIs	https://doi.org/10.1109/10.1360
State	Published - Mar 1988

ASJC Scopus subject areas

Biomedical Engineering

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10.1109/10.1360

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title = "Use of the Finite-Difference Time-Domain Method for Calculating EM Absorption in Man Models",

abstract = "The finite-difference time-domain (FDTD) method is used to calculate the detailed specific absorption rate (SAR) within the human body. SAR distributions are calculated using incident frequencies of 100 and 350 MHz for three different cases: 1) a homogeneous man model in free space, 2) an inhomogeneous man model in free space, and 3) an inhomogeneous man model standing on a ground plane. These various cases are used to evaluate the advantage of inhomogeneous models over homogeneous models, and grounded models versus free space models. Finally, comparison is made between the results obtained here and those obtained experimentally or with the method of moments (MoM).",

author = "Sullivan, {Dennis M.} and Gandhi, {Om P.} and Allen Taflove",

note = "Funding Information: Manuscript received November 17, 1986; revised September 8, 1987. This work was supported by National Science Foundation Grant ECE 8303655 and by the National Institute of Environmental Health Sciences Grant ES 02304. D. M. Sullivan and 0. P. Gandhi are with the University of Utah, Salt Lake City, UT 84112. A. Taflove is with the Department of Electrical Engineering and Computer Science, Northwestern University, Evanston, IL 60201. IEEE Log Number 8718585.",

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AB - The finite-difference time-domain (FDTD) method is used to calculate the detailed specific absorption rate (SAR) within the human body. SAR distributions are calculated using incident frequencies of 100 and 350 MHz for three different cases: 1) a homogeneous man model in free space, 2) an inhomogeneous man model in free space, and 3) an inhomogeneous man model standing on a ground plane. These various cases are used to evaluate the advantage of inhomogeneous models over homogeneous models, and grounded models versus free space models. Finally, comparison is made between the results obtained here and those obtained experimentally or with the method of moments (MoM).

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Use of the Finite-Difference Time-Domain Method for Calculating EM Absorption in Man Models

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