[opencfd]

New version of OpenFOAM-v2306

OpenCFD is pleased to announce the June 2023 release of OpenFOAM® v2306. This release extends OpenFOAM-v2212 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.


Full information about the release can be found at https://www.openfoam.com/news/main-news/openfoam-v2306

Upgrading

• Help for users is provided in the user upgrade guide
• Help for developers is provided in the developer upgrade guide
• Note that the minimum C++ standard will increase from C++11 to C++17 in 2023

Usability

• New documentation system
• Changes to expressions

Pre-processing

• Improved checkMesh
• Improved snappyHexMesh balancing for large meshes

Numerics

• New cache-gradient mechanism in finiteArea
• New parallel preconditioners
• Community contribution: New FPCG linear solver

Solvers and physical models

• Improved vanDriest LES delta model
• New Lagrangian particle force: Coulomb
• Community contribution: New fvOption: fanMomentumSource
• New fvOption: limitTurbulenceViscosity
• Improved rigid-body motion constraint: axis

Boundary conditions

• New boundary condition: specularRadiation
• New uniformMixed condition
• New finite area boundary conditions

Post-processing

• Improved Lagrangian function objects
• Improved function objects: forces and forceCoeffs

Parallel

• Improved parProfiling function object
• Scotch - support for multi-level decomposition
• Non-blocking linear solver
• Improved masterCoarsest processor agglomeration
• General changes in parallel (MPI) handling

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 for Linux and MS Windows.