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Simulation du préformage de renforts composites textiles3D

Published online by Cambridge University Press:  19 October 2010

Emmanuel de Luycker ,
Philippe Boisse ,
Fabrice Morestin ,
David Marsal  and
Stéphane Otin
Emmanuel de Luycker
Affiliation:
Laboratoire de Mécanique des Contacts et des Structures LaMCoS (UMR CNRS 5259), 18–20 rue des sciences, INSA-Lyon, 69621 Lyon, France
Philippe Boisse*
Affiliation:
Laboratoire de Mécanique des Contacts et des Structures LaMCoS (UMR CNRS 5259), 18–20 rue des sciences, INSA-Lyon, 69621 Lyon, France
Fabrice Morestin
Affiliation:
Laboratoire de Mécanique des Contacts et des Structures LaMCoS (UMR CNRS 5259), 18–20 rue des sciences, INSA-Lyon, 69621 Lyon, France
David Marsal
Affiliation:
Département Matériaux YQMM, Snecma Villaroche, Réau, rond point R. Ravaud, 77550 Moissy-Cramayel, France
Stéphane Otin
Affiliation:
Département Matériaux YQMM, Snecma Villaroche, Réau, rond point R. Ravaud, 77550 Moissy-Cramayel, France
*
aAuteur pour correspondance :[email protected]
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Abstract

Ce travail s’inscrit dans le cadre de la simulation de la mise en forme de matériauxcomposites. Le cas traité ici est celui du préformage des interlocks. Il s’agit derenforts textiles 3D permettant d’éviter le délaminage rencontré avec des stratifiés. Unélément-fini 3D semi-discret permettant de modéliser la déformation d’une préformeinterlock complète est décrit. Chaque élément tridimensionnel contient des fibres quicontribuent à la rigidité de l’élément. Les paramètres matériaux sont identifiés à partird’essais mécaniques et la simulation est validée par comparaison avec l’expérience.

Keywords

Tisséstextiles 3Dinterlockspropriétés mécaniqueséléments-finis (MEF)mise en formeFabricstextiles 3DInterlocksmechanical propertiesfinite-element analysis (FEA)forming
Type
Research Article
Information
Mechanics & Industry , Volume 11 , Issue 3-4: Giens 2009 , May 2010 , pp. 197 - 202
Copyright
© AFM, EDP Sciences 2010

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