Wentzel-Kramers-Brillouin expansions and generalized impedance transmission conditions for thin-layer problems in electromagnetism with application to biological cells - Archive ouverte HAL Accéder directement au contenu
Pré-Publication, Document De Travail (Working Paper) Année : 2022

Wentzel-Kramers-Brillouin expansions and generalized impedance transmission conditions for thin-layer problems in electromagnetism with application to biological cells

Résumé

In this work we derive a WKB expansion for the electromagnetic fields solution of the time-harmonic Maxwell equations set in a domain with a thin layer. As a by-product of this expansion we obtain new second order asymptotic models with generalized impedance transmission conditions that turn out to depend on the mean curvature of the boundary of the subdomain surrounded by the thin layer. We show that these models can be easily integrated in finite element methods by developing mixed variational formulations. One application of this work concerns the computation of the electromagnetic field in biological cells.
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Dates et versions

hal-03736383 , version 1 (22-07-2022)

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  • HAL Id : hal-03736383 , version 1

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Victor Péron. Wentzel-Kramers-Brillouin expansions and generalized impedance transmission conditions for thin-layer problems in electromagnetism with application to biological cells. 2022. ⟨hal-03736383⟩
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