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coupe orthogonale

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Simulation numérique de la coupe orthogonale par couplage thermique-comportement-endommagement en transformations finies
Philippe Lestriez, Khémais Saanouni, Abel Cherouat
Journal:

Mechanics & Industry / Volume 6 / Issue 3 / May 2005

Published online by Cambridge University Press:

01 July 2005, pp. 297-307

Print publication:

May 2005
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Ce travail est consacré à la présentation d'une nouvelle méthodologie de prévision de l'usinage par enlèvement de copeau. Cette méthodologie est basée sur le couplage fort entre le comportement thermo-mécanique et l'endommagement ductile. Elle utilise également une adaptation de la taille des éléments en fonction de critères physiques (endommagement, plasticité, ...) et géométriques (courbures locales, ...). Cette approche est étudiée et comparée à l'approche classique basée sur le simple écoulement visco-plastique.