Volume 11, 2002Actes du 32ème Congrès d'Analyse Numérique : CANum 2000
|Page(s)||13 - 40|
|Published online||15 August 2002|
An Eulerian numerical method for geometric optics
INRIA-Rocquencourt B.P. 105 F-78153 Le Chesnay Cedex, France
The classical description for geometric optics is Lagrangian. It is possible to switch to an Eulerian representation but, in presence of caustics, the full Lagrangian solution cannot be computed using a Eulerian method. We present the mathematical background of the problem and several numerical tools developed to overcome this limitation.
© EDP Sciences, ESAIM, 2002
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