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The model is based on a National Highway Traffic Safety Administration public domain model of the USSID.

Major enhancements include:

  • Improved discretization of jacket, arm, and pelvic foam
  • Improved material data for foams
  • A single global contact

Details about the model can be found in the documentation that is included in the downloadable package.

All current models can be obtained through our webpage in the LSTC Models download section or through your LS-DYNA distributor.

To submit questions, suggestions, or feedback about LSTC's models, please send an e-mail to: Also, please contact us if you would like to help improve these models by sharing test data.