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LS Dyna

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program Exception – access violation

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    • Reza Deabae
      Subscriber

      Hi everyone,

      I am getting an error message when running my simulations. the problem with this error is that first it happens randomly in different time steps and I could not find any solid clue what it might be related to.
      Here are some details:
       
      -error message:
      "forrtl: severe (157): Program Exception - access violation"
       
      since it looked to me like a file write access error from Windows, in one of the cases i just copied my .K file into another folder and it resolved.
      for this file that i am having trouble with, it used to happen after the 18th time point but after copying the file it is now thrown at the 3rd time point.
      in my previous files, sometimes i find extra space in the .k file, and correcting it resolves the issue.
       
      I writing to see if anyone has any idea what it might be or where i can look to figure it out.
       
      Thank you for your response in advance.
    • Ushnish Basu
      Ansys Employee

      Please check if you are writing e.g. too many d3plot files, taking up excessive disk space. Please also check how much free disk space is available. You can also try a  recent release or Dev version to make sure it's not a version issue

       

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