NDLI: Computation of hyperthermia-SAR distributions in 3-D

Content Provider	IEEE Xplore Digital Library
Author	Hoole, S.R.H. Sathiaseelan, V. Tseng, A.
Copyright Year	1965
Abstract	A formulation for the solution of the general Maxwell's equations to predict the electromagnetic power deposition (as the specific absorption rate, SAR) in a three-dimensional model of a human body irradiated by an annular array applicator used for hyperthermia is investigated. Methods for generating the grid as well as displaying the three-dimensional solutions are presented. A least-squares finite-element approach to the problem is developed. Difficulties which arise as a result of the finite-element trial functions are identified that make it difficult to impose the divergence and curl equations together. The boundary-element formulation, which relies on the free-space analytical solution, is shown to overcome this difficulty and is demonstrated in two dimensions. These methods form the basis of a treatment planning system under development which will have the capability of generating the finite-element grid model of the body from computerized tomography scans solving for the fields, and displaying the absorbed power distributions.<>
Sponsorship	IEEE Magnetics Society
Starting Page	1011
Ending Page	1014
Page Count	4
File Size	371140
File Format	PDF
ISSN	00189464
Volume Number	26
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Distributed computing Hyperthermia Finite element methods Mesh generation Maxwell equations Specific absorption rate Biological system modeling Predictive models Electromagnetic modeling Humans
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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