.fsthick file

The .fsthick file is an OptiStruct ASCII format file.

File Creation

This file is created when free-size (parameter) optimization is performed and OUTPUT, FSTHICK, YES is present in the I/O Options section.

File Contents

Result Description
Element definition The element definitions for those elements that were part of a free size design space. The optimized thickness of these elements are provided as nodal thickness values (Ti).

File Format

The format for the .fsthick file is the same as the corresponding Bulk Data Entries.


  1. This output frequency for this file can be controlled using the options – LAST, FIRST, ALL, FL, NONE and N. For more information, refer to FSTHICK in the Optimization Output table.