This PDF document is a snapshot of the preCICE documentation hosted at precice.org as of September 01, 2026. The HTML/CSS version of the documentation is available on Github at https://github.com/precice/precice.github.io and can also be built locally. More snapshots are listed on https://precice.org/fundamentals-previous-versions.html.

This snapshot has been generated with a non-commercial license of Prince: https://www.princexml.com/. While we do our best to improve the quality of this PDF archive, some content is only meant for online use, or still needs typesetting adjustments. Find more details on how we generate this archive on https://precice.org/docs-meta-publish-to-pdf.html and help us improve it.

preCICE is free/open-source software. The core library is distributed under the GNU LGPL3 license. The code is publicly available and actively developed on GitHub. Further components of the preCICE ecosystem are distributed under different free/open-source licenses and maintained in separate repositories, following independent release cycles and versioning systems. The documentation is licensed under the Creative Commons Attribution 4.0 International license. License information: https://precice.org/fundamentals-license.html.