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Ansys Learning Forum › Forums › Discuss Simulation › LS Dyna › Effective plastic strain (Tension region) › Reply To: Effective plastic strain (Tension region)

January 29, 2024 at 4:04 pm
Armin
Ansys Employee

Thanks Okkar for sharing this. That's interesting because to my understanding, the effective plastic strain is always non-negative which may indicate numerical problems here.

Could you mention what this material is? As a general observation, plastic strain in the range of 1e-3 displayed in your picture is pretty small and might be close to the onset of yielding of the material. As a reference, fracture strain of ductile materials is at least two order of magnitude larger than this value.Â