7th September 2023

OpenFOAM v11 | Patch Releases

Patched versions of the openfoam11 pack have been released for the following versions of Ubuntu Linux, 64 bit:

  • 20.04 LTS, codename focal
  • 22.04 LTS, codename jammy
  • 23.04, codename lunar (until May 2024)
  • 24.04 LTS, codename noble (from June 2024)

See the Download v11 | Ubuntu page for installation and upgrade instructions.

The packs can be installed or upgraded on Windows 10 and have been used to update the installations for other Linux and macOS platforms that use Docker to provide a self-contained environment, see Download v11 | Linux and Download v11 | macOS.

The Patch Releases of OpenFOAM 11 are: 20230907, 20240116 and 20240612.

Subversion Numbering

The OpenFOAM Foundation maintains two public repositories of source code of OpenFOAM:

The openfoam11 packs include the source code of OpenFOAM.  Each pack has a subversion number represented by the packaging date in YYYYMMDD format.   For example, a user can list the subversions of the openfoam11 packs by the following command:

apt-cache policy openfoam11

This writes text, e.g. for the initial release and first patched versions of OpenFOAM-11:

  Installed: 20230907
  Candidate: 20230907
  Version table:
 *** 20230907 500
        500 focal/main amd64 Packages
        100 /var/lib/dpkg/status
     20230711 500
        500 focal/main amd64 Packages

Source Code of a Subversion

The OpenFOAM-11 repository is tagged with the subversion number so that users can reference the source code corresponding to a particular pack exactly.  Using the tag, the corresponding source code can be obtained either as a tar.gz archive or using Git.

The patched versions can be viewed in a browser at with links to download the archived sources.   For example, to download the patch version 20230907, the user can click the link labelled 11.20230907.  After downloading and extracting the archive, it is recommended to be renamed without the subversion number.  From the command line the download, extraction and renaming can be done by:

wget -O - | tar xvz
mv OpenFOAM-11-* OpenFOAM-11

The same source code can be obtained from the repository using Git, e.g.

git clone
cd OpenFOAM-11
git checkout tags/20230907