LS Dyna

LS Dyna

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

Negative density in state

    • 271356
      Subscriber

      Hi,
      I’m simulating a blast and its propagation through soil. I want to apply transmit boundary conditions to the sides and bottom of the model. However, when the calculation starts in AUTODYN, I get a “Negative density in state” error.

      Do you know how I can fix this issue?

    • Nanda
      Ansys Employee

      Hello User,

      Ansys employees are not authorised to assist you with this query. We will let other forum members handle this. Additionally, this appears to be the most common query in Autodyn; you can find more information in other relevant forum posts.

      Regards,

      Nanda.

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