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PolyUMod Installation for LS-DYNA

In this tutorial you will learn to:

Installation Instructions for Windows with a LSTC License

  1. Navigate Navigate to the PolyUMod installation directory and copy the LS-DYNA executable:
    C:\Program Files\PolymerFEM\PolyUMod\PolyUMod_LSDYNA
  2. Paste the file to the LSTC license manager directory:
  3. Switch the executable you use in the LSTC manager, as you would for any LS-DYNA executable.

Installation Instructions for Windows with an ANSYS License

    1. Open ‘Environment Variables’ as an administrator:
      • Open ‘Control Panel’
      • Open ‘System’
      • Open ‘Advanced System Settings’
      • Click ‘Environment Variables’
  1. In the ‘System variables’ window, add the PolyUMod LS-DYNA executable to your path
    • Select the Path variable in the ‘Systems Variable’ Window and click the ‘Edit’ button
    • Click ‘New’
    • Add the directory that the PolyUMod LS-DYNA executable is in:
      C:\Program Files\PolymerFEM\PolyUMod\PolyUMod_LSDYNA
    • PolyUMod with LS-DYNA is now ready to run!

Installation Instruction for Linux

Set the path variable to include


Using PolyUMod with LS-PrePost

Ensure that the *.k file for the material card is saved in the short fixed format:

  1. Navigate to the Keyword Manager (see figure below). Choose ‘MAT’ from the nested list
  2. Click the ‘Load From MatDB’ button.
  3. Click ‘Browse’ and navigate to the file with the PolyUMod material card and select the file.
  4. Click ‘Load’ and ‘Done’.
  5. The material model can then be viewed and verified in the Keyword Manager.

Note that some older versions of MCalibration exported the material models with a “+” sign at the end of the main material selection command. For example: *MAT_USER_DEFINED_MATERIAL_MODELS +. You need to manually remove the “+” sign before loading the material model file into LS-PrePost.


Keyword Manager in LS-PrePost