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3D modelling of electromagnetic fields in local hyperthermia

Published online by Cambridge University Press:  27 February 2003

N. Siauve ,
L. Nicolas ,
C. Vollaire  and
C. Marchal
N. Siauve*
Affiliation:
CEGELY, UMR CNRS 5005, École Centrale de Lyon, BP 163, 69131 Ecully Cedex, France
L. Nicolas
Affiliation:
CEGELY, UMR CNRS 5005, École Centrale de Lyon, BP 163, 69131 Ecully Cedex, France
C. Vollaire
Affiliation:
CEGELY, UMR CNRS 5005, École Centrale de Lyon, BP 163, 69131 Ecully Cedex, France
C. Marchal
Affiliation:
Unité d'Hyperthermie, Centre Alexis Vautrin, 54511 Vandœuvre-lès-Nancy, France
*
[email protected]
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Abstract

This paper describes a 3D finite element formulation used for radiofrequency hyperthermia problems. Edge finite elements have been coupled with an absorbing boundary condition. Results are presented in term of specific absorption rate. They are compared to experimental measurements performed on a phantom having equivalent electromagnetic properties to human tissues. This comparison shows a good agreement between both numerical and experimental results. Simulations are also achieved on a heterogeneous phantom. The model is then used on a real geometry coming from computerized tomography scans.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 21 , Issue 3 , March 2003 , pp. 243 - 250
Copyright
© EDP Sciences, 2003

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