Eur. Phys. J. AP
Volume 21, Number 3, March 2003
|Page(s)||243 - 250|
|Section||Physics of Biological Systems|
|Published online||27 February 2003|
3D modelling of electromagnetic fields in local hyperthermia
CEGELY, UMR CNRS 5005, École Centrale de Lyon, BP 163, 69131 Ecully Cedex, France
2 Unité d'Hyperthermie, Centre Alexis Vautrin, 54511 Vandœuvre-lès-Nancy, France
Corresponding author: email@example.com
Revised: 9 October 2002
Accepted: 8 November 2002
Published online: 27 February 2003
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.
PACS: 02.70.Dh – Finite-element and Galerkin methods / 41.20.Jb – Electromagnetic wave propagation; radiowave propagation / 87.50.Rr – Electric fields
© EDP Sciences, 2003
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