Modelica FMI

Use Functional Mock-up Units in Modelica.

Highlights

• Supports FMI 2.0 and FMI 3.0 for Co-Simulation.
• Works with all Modelica tools.
• Logs FMI calls to the console or to a file.

Usage

• download the latest release
• extract the archive and load the FMI library into your Modelica tool
• import an FMU by running modelica-fmi from the respective platform directory (e.g. FMI/Resources/Library/win64 on Windows)

modelica-fmi /path/to/BouncingBall.fmu /path/to/BouncingBall.mo

PRO TIP: In Dymola you can select Tools > FMI > Import FMU...

License

Copyright © 2026 Modelica Association. The code is released under the 2-Clause BSD license.