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Optimisation of the homogenization of tissues using the adjoint method and the FDTD

Jessica Silly-Carette 1 David Lautru 2 Azeddine Gati 1 Wong Man-Fai 1 Wiart Joe 1 Victor Fouad Hanna 2
1 Orange Labs [Issy les Moulineaux]
2 L2E - Laboratoire d'Electronique et Electromagnétisme
Abstract : his paper presents an application of the adjoint method associated to the finite-difference time-domain (FDTD) method for the homogenization of human bodypsilas models. This approach enables to obtain rather easily the sensitivity of a cost function of several variables. Hence, it can be used to synthesize a grid dependent homogenized structure equivalent to a multilayer structure. The proposed scheme results in weak errors on the received fields after reflections. Several homogenization schemes are studied. The equivalent grid homogenized model can then be used for faster analysis of induced electromagnetic fields.
Keywords : Cost function Electromagnetic analysis Electromagnetic fields Electromagnetic modeling Electromagnetic reflection Finite difference methods Humans Nonhomogeneous media Optimization methods Time domain analysis
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Conference papers
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https://hal.sorbonne-universite.fr/hal-00596375
Contributor : Pascal Gomez <>
Submitted on : Friday, May 27, 2011 - 11:11:32 AM
Last modification on : Monday, January 18, 2021 - 11:04:02 AM

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UPMC | L2E | SORBONNE-UNIVERSITE | SU-SCIENCES

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Jessica Silly-Carette, David Lautru, Azeddine Gati, Wong Man-Fai, Wiart Joe, et al.. Optimisation of the homogenization of tissues using the adjoint method and the FDTD. Optimisation of the homogenization of tissues using the adjoint method and the FDTD, Jun 2008, Atlanta, United States. pp.1361-1364, ⟨10.1109/MWSYM.2008.4633030⟩. ⟨hal-00596375⟩

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