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Journal Articles Applied Numerical Mathematics Year : 2013

Mathematical modeling of electromagnetic wave propagation in heterogeneous lossy coaxial cables with variable cross section

Abstract

In this work, we focus on the time-domain simulation of the propagation of electromagnetic waves in non-homogeneous lossy coaxial cables. The full 3D Maxwell equations, that described the propagation of current and elec- tric potential in such cables, are classically not tackled directly, but instead a 1D scalar model known as the telegraphist's model is used. We aim at justifying, by means of asymptotic analysis, a time-domain "homogenized" telegraphist's model. This model, which includes a non-local in time op- erator, is obtained via asymptotic analysis, for a lossy coaxial cable whose cross-section is not homogeneous.
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Dates and versions

hal-00875811 , version 1 (22-10-2013)

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Sébastien Imperiale, Patrick Joly. Mathematical modeling of electromagnetic wave propagation in heterogeneous lossy coaxial cables with variable cross section. Applied Numerical Mathematics, 2013, ⟨10.1016/j.apnum.2013.03.011⟩. ⟨hal-00875811⟩
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