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Plastic deformation and Living hinge

Question asked by Valentin Leung on Oct 31, 2007
Latest reply on Nov 16, 2007 by Valentin Leung
Okay, a simple question, I need to make some FEA on some plastic parts, the problem is the presence of living hinge.
For those who don't know what is a living hinge, on a plastic part, sometimes, you will see a area so thin that it acts like a hinge. In this area, the deformation is a plastic deformation, so the material does not tear.
Right now, I have made a simulation of my model, but the living hinge does not work (it's just too hard), does someone has already manage to simulate living hinge?