Read any .bdf/.dat Nastran Input File. Small, Large & Free Field are supported.

Verify your model. Find duplicated elements and MPCs, coincident nodes, invalid elements, and much, much more.

Instant distance, mass, volume, area measurements.

Top notch selection capabilities. Select how you always wanted.

Find whatever you want. Patran syntax supported.

Data prepared to be easily extracted. Many types of filters to get right where you need.

Start using FEX today

  • Speed up your workflow

    The purpose of FEX is to make a life of a stress engineer a bit less stressful. FEX is armed with a set of intuitive tools to do so.
  • Stunning visuals, highly customizable

    Stand out of the crowd and present your models with an unique style.
  • FEM? FEX

    FEX is able to find most of the common mistakes made in FEM models in less than 5 minutes.
  • Free, Portable, Lightweight

    FEX is free of charge. No installation needed. The only requirements are Windows 7 and .NET Framework 4.0 or higher.