Mardi 4 mars 2025 à 11h00 / Amphithéâtre François Canac, LMA
Summary : This talk deals with the propagation of electromagnetic waves (time harmonic Maxwell’s equations) across meta-surfaces made of equi-spaced small obstacles. By asymptotic analysis, we show that a meta surface consisting of a mesh of wires has the ability to block electromagnetic-waves. Then, we illustrate this result by carrying out direct finite element simulations with the help of domain decomposition preconditioners.