High frequency limit of Helmholtz equations: the case of a discontinuous index

Fouassier, Elise

Journées équations aux dérivées partielles, (2006), p. 1-19 / Harvested from Numdam

Résumé

In this text, we compute the high frequency limit of the Hemholtz equation with source term, in the case of a refraction index that is discontinuous along a sharp interface between two unbounded media. The asymptotic propagation of energy is studied using Wigner measures.

Détail

Publié le : 2006-01-01
DOI : https://doi.org/10.5802/jedp.31

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