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IRSN, Institut de radioprotection et de sûreté nucléaire

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Enhancing Nuclear Safety


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Simulation numérique de la rupture dynamique des matériaux hétérogènes


Congress title :7em Colloque National en Calcul des Structures 
Congress town :Giens
Congress date :17/05/2005

Summary

This paper presents a new numerical simulation framework dedicated to the study of the dynamic fracture of functionally graded heterogeneous materials. This framework is based on the concept of Frictional Cohesive Zone Model in the framework of Non-Smooth Contact Dynamics. The numerical platform, composed of three object-oriented libraries, allows for three dimensional finite deformation simulations, from crack initiation to post-fracture behavior. An example of fracture in hydrided Zircaloy-4, an heterogeneous material used in the nuclear industry, is presented.

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