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  3. Need Help:Excessive Distortion to the ALE Air Element (Contact Blast Simulation)

Need Help:Excessive Distortion to the ALE Air Element (Contact Blast Simulation)

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    • March 15, 2025 at 9:25 am
      wong1439
      Subscriber

      Hi everyone, I’m facing an issue with my ALE blast simulation in LS-DYNA. As shown in the image below, the ALE elements appear excessively distorted during the charge detonation stage. I suspect this is reducing the timestep and causing convergence issues. I’d appreciate any guidance on resolving this.

    • April 25, 2025 at 4:04 am
      doomsdayofficial11
      Subscriber

      Excessive distortion in an ALE (Arbitrary Lagrangian-Eulerian) air element during a contact blast simulation usually points to mesh resolution or boundary condition issues. I have also faced this issue during usage of this app.

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