High-frequency diffraction of a plane electromagnetic wave by an elongated spheroid

Ivan V. Andronov (1) , Daniel Bouche (2) , Marc Duruflé (3, 4)

1 Department of Computational Physics
2 DAM/DIF - DAM Île-de-France
3 IMB - Institut de Mathématiques de Bordeaux
4 BACCHUS - Parallel tools for Numerical Algorithms and Resolution of essentially Hyperbolic problems

An asymptotic formula for the problem of diffraction by a strongly elongated body of revolution is constructed. Its uniform nature with respect to the parameter that characterizes the rate of elongation is demonstrated. The results are in good agreement with numerical simulations.

Mots clés: Electromagnetic diffraction; high frequency asymptotics; parabolic wave equation; strongly elongated body

Domaines: Equations aux dérivées partielles [math.AP]

Ivan V. Andronov, Daniel Bouche, Marc Duruflé. High-frequency diffraction of a plane electromagnetic wave by an elongated spheroid. IEEE Antennas and Wireless Propagation Letters, 2012, 60 (11), pp.5286-5295. ⟨hal-00734640⟩