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Ansys Learning Forum Forums Discuss Simulation LS Dyna Positive Z-Stress during Dynamic Relaxation Reply To: Positive Z-Stress during Dynamic Relaxation

Ushnish Basu
Ansys Employee

Firstly, I don't think PML elements should be used in a model undergoing dynamic relaxation. More pertinently, I would recommend doing gravity initialization via explicit analysis with a ramp load and damping.