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              <p>Dans cet article, nous proposons une méthode spectrale d’appariement entre des nœuds d’un maillage d’une pièce théorique, réalisée par une conception assistée par ordinateur (CAO) d'un noyau d’une aube de turbine et des nœuds d’un maillage de la pièce réelle produite à la suite du processus de fabrication. Nous utilisons une approche modale basée sur l’opérateur de Laplace Beltrami. En effet, les vecteurs propres associés aux petites valeurs propres de cet opérateur nous permettent de définir une nouvelle métrique pour la recherche des correspondances entre les deux maillages.</p>
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