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From: Julien Arlandis <julien.arlandis@gmail.com>
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Le 15/05/2023 à 07:52, robby a écrit :
> Le 14/05/2023 à 18:55, Julien Arlandis a écrit :
>> La périodicité en x, dépend tout simplement du pas du maillage !
>> Tous mes artefacts viennent de là...
> 
> oui, c'est ce qu'on appelle l'aliasing géométrique.

Contrairement aux aliasing que j'ai déjà rencontré la périodicité du 
motif est ici parfaitement surprenante.