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LS Dyna

LS Dyna

Topics related to LS-DYNA, Autodyn, Explicit STR and more.
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  3. Non-Reflecting Boundary Condition?

Non-Reflecting Boundary Condition?

    • July 27, 2023 at 12:30 pm
      yipxx043
      Subscriber

      Hello,

      I am running a Lagrangian simulation and instead of making a really large domain would like to have non-reflecting boundary conditions to assume an representative volume element in infinite space. I know there is a non-reflecting boundary in MMALE, but am aiming to do this in traditional FEA with solid hex elements.

      Thanks,

      Peter

    • July 27, 2023 at 3:23 pm
      Ushnish Basu
      Ansys Employee

      LS-DYNA has the perfectly matched layer (PML) absorbing boundary. Please see the links on PML on this page:

      https://lsdyna.ansys.com/knowledge-base/soil-structure-interaction/

    • July 28, 2023 at 7:07 pm
      yipxx043
      Subscriber

      Thank you!

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