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LS Dyna

LS Dyna

Topics related to LS-DYNA, Autodyn, Explicit STR and more.
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out-of-range forces

    • April 11, 2024 at 2:55 am
      Tim T
      Subscriber

      I have "termination due to out-of-of-range forces" when running lsdyna. How should I solve this problem?

    • April 11, 2024 at 12:42 pm
      Alex Rycman
      Ansys Employee

      Hello, 

      Error "termination due to out-of-range-forces' indicates that there is instability in the simulation.

      Here are some general tips for how to combat instabilities:
      https://www.dynasupport.com/faq/general/have-you-any-tips-on-how-to-to-combat-instability 
      https://www.dynasupport.com/howtos/element/negative-volumes-in-brick-elements

      Good practice is to locate where are the nodes/elements that give this error, it should be indicated in the message file (mess00XX MPP or messag -SMP), and visually inspect a model. 

      Please let me know how it goes,

      Thank you,
      Alex

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