Reference FMUs

A set of hand-coded FMUs for development, testing, and debugging of the Functional Mock-up Interface.

• BouncingBall - a bouncing ball model with state events
• Dahlquist - Dahlquist test equation
• Feedthrough - all variable types
• Resource - load data from a file
• Stair - a counter with time events
• StateSpace - arrays and structural parameters
• VanDerPol - Van der Pol test equation

⬇️ Download the latest release.

Repository structure

<model>

• config.h - model specific types and definitions
• FMI{2|3}.xml - model descriptions
• model.c - implementation of the model

include

• fmi{2|3}Functions.h - FMI header files
• model.h - generic model interface
• cosimulation.h - generic co-simulation interface

src

• fmi{2|3}Functions.c - FMI implementations
• cosimulation.c - generic co-simulation

examples

• *.c - various FMI 3.0 import examples
• Examples.cmake - CMake configuration for the example projects

Build the FMUs

To build the FMUs you need CMake and a supported build tool e.g. Visual Studio, Xcode, or make:

cmake -B build .
cmake --build build

The FMUs will be created in build/fmus/.

License

The code is released under the 2-Clause BSD license.