A Wave Automaton for Wave Propagation in Inhomogeneous Anisotropic Media

Olivier Legrand, Fabrice Mortessagne, Patrick Sebbah, Christian Vanneste

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This paper presents an extension built on a hexagonal grid of the wave automaton, which was introduced in past few years for describing wave propagation in inhomogeneous media. This new method is capable of computing wave propagation in 2D anisotropic media without the need for introducing interpolating schemes. After a comparison of isotropic single scattering with analytical results using Mie theory, the method is used to compute the field scattered by one anisotropic particle for various orientations of its principal axes. Scattering by a collection of anisotropic particles is also presented.

Original languageEnglish
Pages (from-to)541-563
Number of pages23
JournalJournal of Computational Physics
Volume160
Issue number2
DOIs
StatePublished - 20 May 2000
Externally publishedYes

Bibliographical note

Funding Information:
This work is currently supported by DGA Contract 97-406, by a CNRS grant, and by the GdR PRIMA.

Keywords

  • Anisotropy
  • Time domain
  • Wave propagation

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