BRACKNELL, UK, Jul 2, 2021 – OpenCFD is pleased to announce the June 2021 release of OpenFOAM v2106. This release extends OpenFOAM-v2012 features across many areas of the code. The new functionality represents development sponsored by OpenCFD’s customers, internally funded developments, and integration of features and changes from the OpenFOAM community.

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OpenFOAM is distributed by OpenCFD under the GPL License. In addition to source code packages suitable for compilation on a variety of Linux and other POSIX systems, this release also has a number of pre-compiled binary packages

1. Ubuntu Linux: packaged installation for Ubuntu 18.04 20.04 20.10 21.04
2. openSUSE Linux: packaged installation for Leap15.2, Leap15.3
3. Redhat Linux variants: packaged installation for CentOS 7, 8 and Fedora 33

Windows users have three options for pre-compiled packages (more information):

1. Using Windows Subsystem for Linux (Ubuntu, centos or openSUSE packs)
2. Native executables with cross-compiled
3. A docker installation

Mac OSX users have the option to compile from source, or use Docker containers for pre-compiled packages (more information).

Upgrading

1. Help for users is provided in the user upgrade guide
2. Help for developers is provided in the developer upgrade guide

Pre-processing

1. Improved snappyHexMesh gap refinement more…
2. Improved splitMeshRegions utility more…
3. Community contribution New spline support for extrudeMesh more…
4. Improved checkMesh writing of surface fields more…
5. Improved utility region handling more…
6. Improved patch expressions more…

Numerics

1. Improved AMI performance more…

Solvers and physical models

1. New overset solvers more…
2. Improved icoReactingMultiphaseInterFoam solver more…
3. New solar load model more…
4. New turbulence field estimation more…
5. New layer addition/removal on ACMI patches more…
6. Improved Ranz-Marshall model more…
7. New multi-motion support for overset more…
8. Improved finite area parallel support more…

Boundary conditions

1. Improved LES inflow DFSEM condition more…
2. Improved jump conditions more…
3. New permeable conditions for multiphase flows more…

Post-processing

1. New multiRegion function object more…
2. New multiFieldValue function object more…
3. Improved momentumError function object more…
4. New Reynolds number cloud function object more…
5. New Nusselt number cloud function object more…
6. New heat transfer coefficient cloud function object more…
7. Improved Dynamic Mode Decomposition (DMD) tools more…
8. Improved distanceSurface sampled surface more…
9. Improved ParaView tools more…

Parallel

1. New AMI support for local worlds more…
2. New Finite Area parallel operations more…
3. Improved start-up time more…
4. Improved redistributePar performance more…
5. Improved decomposePar utility more…

Usability

1. Improved OpenFOAM packaging more…
2. Improved parsing of scalars and labels more…
3. Improved command-line handling of file-names more…
4. Improved Function1, PatchFunction1 specification more…
5. New Compiler Support more…
6. Improved build-versioning more…
7. Improved portability more…
8. Improved standardization more…

About OpenFOAM

OpenFOAM is the free, open source CFD software released and developed primarily by OpenCFD Ltd since 2004. It has a large user base across most areas of engineering and science, from both commercial and academic organizations. OpenFOAM has an extensive range of features to solve anything from complex fluid flows involving chemical reactions, turbulence and heat transfer, to acoustics, solid mechanics and electromagnetics. For more information, visit https://www.openfoam.com.