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LS Dyna

LS Dyna

Topics related to LS-DYNA, Autodyn, Explicit STR and more.

Constant value of equivalent plastic strain

    • AraKim
      Subscriber

      Hello,

      I'm trying to see strain values from an impact simulation with a ball impacting on a plate. However, the equivalent plastic strain shows a constant value during the impact. Can anyone help me to solve the problem?

    • Vigneswaran Sridharan
      Ansys Employee
      Hi As a start, I would suggest you check the 'Stiffness Behaviour' of Geometry. If the behaviour is 'Rigid', set it to 'Flexible'.
      This will enable the Explicit Dynamics solver to capture the complex Non-linear behaviour and deformations.
      Vigneswaran
    • AraKim
      Subscriber
      Hello Vigneswaran Thank you for your reply. The 'Stiffness Behavior' of geometries is already in the 'Flexible' mode. Can I ask if there's any other things that I need to check?
      Thank you Ara
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