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This document describes a 3D finite element method simulation of stamping processes for planar anisotropic sheet metals. It develops a 3D FEM using an implicit updated Lagrangian formulation and a rigid-viscoplastic constitutive model. Contact and friction are modeled using a mesh-normal scheme that can handle arbitrary tool surfaces without spatial derivatives. Numerical simulations of deep drawing a cup and stamping an automotive fender are performed to test the method using aluminum alloys and mild steel

Author

Yasser Bouktir

Language

EN