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Ansys Learning Forum › Forums › Discuss Simulation › LS Dyna › Help with plastic deformation unwanted of free fall impact on ballistic gelatin › Reply To: Help with plastic deformation unwanted of free fall impact on ballistic gelatin

August 31, 2023 at 8:39 am
Adrian Herranz Mollejo
Subscriber

Hello, first all thank you for helping me :)

Yeah with lower impact speeds its behaviur is elastic. But i had review the units, and having defined : m, secs, kg ; the pressure unit is Pa (everything in IS). That´s why i have opened the issue. To validate the units are in shape, kinetic impact energy is the same as the theorical calculation. Don´t know if the problem is the propierties value , but dont think so because it has no sense. If you or someone has another POV of what can be happening, eternally gratefull! :)