General Requirements for Nastran Input Files

Identify the entries required to be present in a Nastran input file for use with Helius PFA.

The entries discussed in this section should be in place to ensure compatibility with Helius PFA and to take full advantage of its superior convergence characteristics for nonlinear, progressive failure problems. More specifically, this section explains the need for these entries in terms of the unique characteristics of the product. This section does not discuss the formatting requirements of any entry, nor does it discuss any of the specific options or data of any entries. These issues are covered in the Use a Text Editor to Convert Input Files section.