Reference : About the Gurson model and his extensions
Reports : Other
Engineering, computing & technology : Materials science & engineering
About the Gurson model and his extensions
Guzmán Inostroza, Carlos Felipe mailto [Université de Liège - ULiège > Département ArGEnCo > Département Argenco : Secteur MS2F >]
[en] Ǵurson model ; GTN model
[en] The goal of the damage models is the prediction of fracture during forming processes or structural loading after a progressive deterioration of material properties. From all the types of damage (brittle, ductile, creep, fatigue,...), we are particularly interested in the ductile damage, which is associated with large plastic deformation in the neighbourhood of crystal defects. The Gurson model belongs to the coupled approach group, and his strong physical roots has allow a great increase of his use during the last 30 years. In this report a general description of this model, the parameters involved and the finite element implementation in the Lagamine FE code are discussed.

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