A free Modelica library for planar mechanical multi-body systems
The PlanarMechanics library is an open-source Modelica library for the modelling of planar mechanical multi-body systems. Its main components are:
- parts such as mass, rigid rods or fixation,
- joints such as prismatic or revolute,
- force elements such as spring or damper,
- sensors and sources,
- components for vehicles such as wheel models,
- components for gearboxes,
- many examples.
PlanarMechanics Library 1.7.0 (2026-07-03)
The library is released under the 3-Clause BSD license, see LICENSE and https://modelica.org/licenses/modelica-3-clause-bsd.
Reference results for regression testing can be found in PlanarMechanics_ReferenceResults.
The current release was developed/tested using following tools.
- Dymola: The library has been developed using Dymola.
- Open Modelica: The library is fully compatible to Open Modelica.
Your tool not listed here? Please prepare a corresponding pull request of this README.md containing your tool's name and version number.
The library was developed by the German Aerospace Center (DLR) Contributors:
- Dr. Dirk Zimmer
- Dr. Franciscus van der Linden
- Zheng Qu
- Dr. Jakub Tobolar
You may report any issues with using the Issues button.
Contributions in shape of Pull Requests are always welcome.