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LS Dyna

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  3. Incomprehensible warnings when calculating fatigue

Incomprehensible warnings when calculating fatigue

    • June 5, 2024 at 5:42 pm
      javat33489
      Subscriber

      When testing for fatigue, I receive the following warnings:


      but the material (GPa units) and SN curve look like this:


      Also, if you look at the voltage graph, they did not exceed the values ​​of the first term SN:

      Why am I getting these warnings?

    • July 5, 2024 at 4:26 pm
      igandiko
      Ansys Employee

      Can you please post all your fatigue cards here? Are you using ELOUT option or d3plot option for fatigue? Is the stress results shown from the correct database? 

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