OpenFOAM version 4.1 is a patch release of version 4.0 with approximately 50 commits that fix critical issues, improve usability and consistency in the code. As a patch release, we strongly recommend users of v4.0 upgrade to this version; users of the packaged version for Ubuntu (openfoam4) can receive 4.1 as part of a system upgrade. OpenFOAM 4.1 is supplied as:
- a packaged installation for Ubuntu Linux — the simplest installation option for OpenFOAM;
- a source pack for compilation on other Linux distributions.