Integrated modelling of damage and fracture in sheet metal forming

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Abstract

A framework for finite element simulations of ductile damage development and ductile fracture during metal forming is presented. The damage evolution is described by a phenomenological continuum damage model. Crack growth and fracture are treated as the ultimate consequences of the damage process. Computationally, the initiation and growth of cracks is traced by an adaptive remeshing strategy, thereby allowing for opening crack faces. The application of the method to the fabrication of food-can lids demonstrates its capabilities, but also some of its limitations.
Original languageEnglish
Title of host publicationProceedings of the 9th International Conference on Numerical Methods in Industrial Forming Processes (NUMIFORM 2007), 17-21 June 2007, Porto, Portugal
Pages735-740
Publication statusPublished - 2007

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