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LS Dyna

LS Dyna

Topics related to LS-DYNA, Autodyn, Explicit STR and more.
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  2. LS Dyna
  3. Mat-187L card menu in workbench

Mat-187L card menu in workbench

    • December 4, 2025 at 6:31 am
      rluo
      Subscriber

      Workbench 2025R2 start support Mat187L. In workbench it only provide 2 options for "the strain rate caculation"? EQ1 is best but missed. Can Ansys correct it in next version?

    • December 4, 2025 at 8:24 am
      ErKo
      Ansys Employee

       

       

       

       

       

       

       

      Hi

      Reason it is not there is that in 2025 R2 LS-Dyna keyword manual II (R14 is used in WB LS-Dyna) it is not there:

      RATEOP Calculation of effective strain rate option: 
      EQ.0: Original method for calculating the effective strain rate 
      EQ.2: Improved method for calculating the effective strain rate. 
      This method gives a slightly closer match to *MAT_-
      SAMP-1 and is thus recommended.

      Thanks for letting us know though that it exists in R16 manuals&LSPP – so you would need to open up a support ticket (ACSS) direct or via channel partner (cadmen) and ask for an enhancement request on this (cadmen will then create one for you).

      All the best

      Erik

       

       

       

       

       

       

       

       

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