Summary

An MSC Nastran bulk data file was modified to make it compatible with Helius PFA.

The following sections of the bulk data file required modification:

  1. Material definition
    • Added the MATUSR entry
    • Added the MATUDS entry
  2. Step definition
    • Added a nonlinear step definition
    • Specified nonlinear solution controls for the analysis
  3. Output definition
    • Replaced the default outputs and requested output of state variables
    • Added a parameter entry to allow for post-processing of results
    • Specified the number of state variables to pass to the user subroutine
  4. User subroutine definition
    • Used the CONNECT SERVICE and GENUDS entries to identify the use of the Helius PFA User Material Subroutine