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Discuss installation & licensing of our Ansys Teaching and Research products.

Academic research LS-DYNA only works with NCPU = 1?

    • sjlee
      Subscriber

      My university has academic research LS-DYNA license, but I found this academic research LS-DYNA only allows for NCPU = 1.

      I tried with a higher # of NCPU for faster simulation, but LS-RUN does not work for any NCPU higher than 2 (as attached).

      Considering even the student version works with NCPU up to 4, it is quite strange.

      I checked the license from the Help menu and found the license is Free (as also shown in the attached). 

      Am I using the correct license?  Would you please shed some light?

    • George Karnos
      Ansys Employee
      If you choose License from the top menu, what is displayed? Example:
      Do you have the Environment variable set:
      Variable:LSTC_LICENSE
      Variable Value: ANSYS


    • sjlee
      Subscriber
      Thank you. Please see attached below.
      The Environment variable was set as advised, but my LS-DYNA still does not work with NCPU higher than 1.


    • George Karnos
      Ansys Employee
      Please post the screen shots as we are not permitted to open files.

    • sjlee
      Subscriber
      Please see below. Hopefully it works this time.




    • George Karnos
      Ansys Employee
      There are no LS-DYNA Parallel licenses displayed.
      This means the license server is not serving any hpc licenses.
    • sjlee
      Subscriber
      Oh, Thanks.
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