fmusim

fmusim is a command line tool to work with Functions Mock-up Units, written in Rust.

Highlights

• Supports FMI version 2.0 and 3.0.
• Supports Co-Simulation and Model Exchange.
• Builds platform binaries from source code FMUs using CMake.
• Logs FMI API calls.
• Reads and writes CSVs.
• Creates plots from simulation results.

See the tutorial to get started.

Installation

Standalone installer

Install fmusim with our standalone installer:

macOS and LinuxWindows

curl -LsSf https://raw.githubusercontent.com/modelica/fmusim/refs/heads/main/install.sh | sh

powershell -ExecutionPolicy ByPass -c "irm https://raw.githubusercontent.com/modelica/fmusim/refs/heads/main/install.ps1 | iex"

GitHub Releases

fmusim release artifacts can be downloaded directly from GitHub Releases.

Each release page includes binaries for all supported platforms.