LS Dyna

LS Dyna

Topics related to LS-DYNA, Autodyn, Explicit STR and more.

Combine Keyword-file and step-file

    • s.breyer
      Subscriber

      Hi,

      i made a simulation in LS-Dyna and i want to save the result from it to a Dynain-file. Is there a way to use this dynain file in Ansys Workbench or Mechanical AND add some other geometry (step-files). I know i can import keyword-files in workbench but i need to import some step-files additionally.

    • Dennis Chen
      Subscriber

      Hello, you can use *include and *case commands to run sequential ls-dyna jobs using dynain files and each subsequent case you can activate new geometries by *including the mesh, node and sets and then call those sets in the master file into specific commands like contact boundary_prescribed_... etc.    If you can describe in greater detail what you hope to accomplish, I can maybe make an example.  

      the closest thing I've made is this part 2 of the wear analysis where I imported the worn geometry back to the original model to run a second set of wear cycles.    What I imported is a dynain.geo file which is similar to what you may want to import, but a new k file representing the newly added step files.   

      I hope this helps in someway

      https://www.youtube.com/watch?v=vOH75FgOu_8&t

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