307 lines
11 KiB
Text
307 lines
11 KiB
Text
_____________________________________
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*RELEASE NOTES FOR FOAM-EXTEND-4.0*
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_____________________________________
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December 2016
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Table of Contents
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_________________
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1 Overview
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2 Installation
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3 Compatibility
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4 Main differentiators between foam-extend and OpenFOAM
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5 New features in foam-extend-4.0, since foam-extend-3.2
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6 Recent successful compilations and tests
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7 Reporting bugs
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8 How to contribute
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9 List of Contributors:
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###############################################################################
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1 Overview
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==========
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The foam-extend project is a fork of the OpenFOAM® open source library
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for Computational Fluid Dynamics (CFD). It is an open project
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welcoming and integrating contributions from all users and
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developers. Previously known as OpenFOAM-dev and OpenFOAM-extend, it
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contains bug fixes and performance improvements, as well as extensions
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and additional features provided by community contributors (see file
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ListOfContributors), such as dynamic mesh and topological change
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support, turbomachinery extensions including general grid
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interpolation (GGI), cyclic GGI and mixing plane, block-coupled matrix
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support, implicitly coupled conjugate heat transfer and other physics
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coupling, finite area method, comprehensive dynamic mesh (motion and
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topological changes) capability and GPU support. For a full list, see
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below and previous release notes at:
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[http://sourceforge.net/p/foam-extend/wiki/Home/]
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Version 4.0, nicknamed "Guimaraes", is the current version of
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foam-extend. The release continues the tradition and spirit of the
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original FOAM code developed by prof. Jasak and Mr. Weller during
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their time at Imperial College and released as the general purpose
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CFD/CCM package by Nabla Ltd. in 2000. In this spirit, we reverted 18
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December 2013 to the original numbering scheme (foam-2.3.2, 13
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December 2004) as release number 3.0. Visit [http://foam-extend.org]
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for more information.
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OPENFOAM is a registered trademark of ESI Group. OpenFOAM-extend and
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foam-extend are a community effort not endorsed by ESI Group.
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2 Installation
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==============
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foam-extend-4.0 can be compiled and runs on a large variety of Linux,
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Mac or Windows systems
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* Main supported OSs:
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- Ubuntu 16.04 LTS
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- Ubuntu 14.04 LTS
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- Fedora 24
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- Mac OS X
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- Microsoft Windows 7, 8.1 and 10
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* Compile from source:
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Please refer to doc/buildInstructions/ for details. Further
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installation instruction are available on the unofficial OpenFOAM
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Wiki:
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[http://openfoamwiki.net/index.php/Installation/Linux/foam-extend-4.0]
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If you have improvements or build instructions for a new system,
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please share them with the community (see section "How to
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contribute", below).
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* Download binary packages:
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Binary packages are available for download at
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[http://sourceforge.net/projects/foam-extend/] for the following
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systems: Ubuntu 16.04, Fedora 24 and Mac OS X and Windows 10.
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* Accompanying ThirdParty software:
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- gcc compatibility up to 4.9.2
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- bison 2.7
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- cmake 3.2.2
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- flex-2.5.35
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- hwloc 1.10.1
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- libccmio 2.6.1
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- mesquite 2.1.2
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- metis 5.1.0
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- openmpi 1.8.8
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- Paraview 4.4.0
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- parmetis 4.0.3
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- ParMGridGen 1.0
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- PyFoam 0.6.4
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- qt 4.8.6
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- scotch 6.0.4
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- swak4Foam 0.4.0
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3 Compatibility
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===============
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Upstream features from the OpenFOAM® code base are merged into
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foam-extend on regular basis. The interface format of foam-extend-4.0
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is largely compatible to foam-extend-3.2, to OpenFOAM-1.6-ext and
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OpenFOAM-1.7.x. In some cases, the differences are caused by bug fixes
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and algorithmic improvements, considered more important than
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inter-operability.
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4 Main differentiators between foam-extend and OpenFOAM
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=======================================================
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A large number of features have been lost within the release of
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OpenFOAM since version 1.3, the code base has shrunk by more than 40%.
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While we understand the lack of technical ability of supporting
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advanced CFD features, we feel that existing features and specifically
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large-scale contributions should remain active and developed
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further. Below is a list of main features of foam-extend which are
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lacking, lost, deactivated or unusable in ESI releases:
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* Turbomachinery features, including General Grid Interface (GGI),
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partial overlap GGI, cyclic GGI, with improvements in parallel
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scaling. First release of a mixing plane stage interface
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* Dynamic mesh with topological changes Sliding interfaces, mesh
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layering, attach-detach boundaries etc. In foam-extend, full
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parallel support for topological changes is released for the first
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time
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* Finite Element Method with support for polyhedral meshes This is
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mainly used in mesh deformation and over the last 15 years it has
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proven vastly superior to all other dynamic mesh methods.
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* Advanced mesh deformation technology Including tet FEM mesh
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deformation, Radial Basis Function (RBF) mesh deformation,
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tetrahedral remeshing dynamic mesh support and solid body motion
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functions. All of the above include parallelisation support
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* Library of dynamic meshes with topological changes with full second
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order FVM discretisation support on moving meshes with topological
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changes
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* Internal combustion engine-specific dynamic mesh classes such as
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two-stroke engine and various forms of 4-stroke and multi-valve
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dynamic mesh classes
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* Finite Area Method providing support for FVM-like discretisation on
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a curved surface in 3-D, with examples of liquid film modeling
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* Block-coupled matrix support, allowing fully implicit multi-equation
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solution of NxN equation sets, with full parallelisation support.
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First release of a block-AMG linear equation solver
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* Fully implicit conjugate-coupled solution framework, allowing
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implicit solution fo multiple equations over multiple meshes, with
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parallelism
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* Proper Orthogonal Decomposition data analysis tools, with
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applications to FOAM field classes
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* Equation reader classes and tutorials
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* Multi-solver solution framework, allowing multiple field models to
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be solved in a coupled manner
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* A major contribution is solid mechanics modelling, including linear
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and non-linear materials, contact, self-contact and friction, with
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updated Lagrangian or absolute Lagrangian formulation. Solution of
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damage models and crack propagation in complex materials via
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topological changes
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* CUDA solver release, provided in full source and as an example of
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coupling external linear equation solvers with FOAM
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* Library-level support for Immersed Boundary Method and Overset Mesh
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* Major improvements in accuracy and stability of FVM discretisation
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with options on convection and diffusion discretisation, deferred
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correction or explicit schemes
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* Algebraic multigrid solver framework
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* 253 tutorials with automated run scripts
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* Automatic test harness
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* Approximately 6000 bug fixes in fundamental level libraries and
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discretisation techniques
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5 New features in foam-extend-4.0, since foam-extend-3.2
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========================================================
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The list of features is a result of the work of numerous
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contributors. The maintainers of foam-extend would formally like to
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thank them all.
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Get a full log of the updates by (either):
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,----
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| user@machine> git log 4.0.. > commitLog
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`----
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,----
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| user@machine> git log 4.0.. --oneline > commitLog
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`----
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,----
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| user@machine> gitg 4.0..
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`----
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* Major new features:
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- Improved BlockLduMatrix and block-coupled p-U solver and
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associated tools
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- ILUCp and block ILUCp preconditioners
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- Added MRF and porous media handling to the block-coupled solver
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- Change of generic turbulence modelling interface: no U required
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- Updated version of block-coupled turbulence models
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- Major improvements in immersed boundary method library: improved
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performance and parallel scaling. Completed supporft for moving
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deforming immersed boundary
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- Adopted vanilla OpenFOAM solver control format (solutionControl
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class)
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- Implicit adjoint convection operator
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- Improved GGI interpolation and cutting, with better parallel
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scaling
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- Global GGI search option for parallel cases
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- GGI and mixing planes with jump condition for the rothalpy
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equation
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- Improved 6-DOF solver, with new handling of constraints
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- Fully integrated real gas library
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- Updated viscoelastoplastic models
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- New steady-state universal flow solver, handling incompressible
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and compressible flows within the same framework
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- Time consistent incompressible solvers update
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- Added decaying turbulence inlet boundary condition by Kornev
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- New gradient limiter implementation
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- Full gradient cacheing capability
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- Removed fluxRequired from solution dictionaries
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- Consistent notation of 1/aP
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- Dynamic mesh improvements: prescribed motion functions
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* Software
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- New handling of lnInclude directories: avoid file copying on MS
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Windows
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- Changes to controlDict and options on MS Windows
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- Consistency in formatting of compression options
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- Raspberry Pi port
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* Installation:
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- Compilation improvements
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- Updated packages versions and compilation in ThirdParty
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- Changed compilation options for Infiniband: new versions of MPI
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- Added support for mvapich2-2.2
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- Updated compilation for latest version of XCode for Mac OSX
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- Updates for MS Windows build
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* Solvers:
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- Updated time consistent incompressible solvers (channelFoam,
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icoFoam, nonNewtonianIcoFoam, pimpleDyMFoam, pimpleFoam,
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simpleFoam, simpleSRFFoam)
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- Steady universal (compressible and incompressible) flow solver
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(steadyUniversalFoam)
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- Block-coupled p-U solver improvements (MRFPorousFoam and
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pUCoupledFoam)
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- Improved steadyCompressibleMRFFoam
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* New tutorials:
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- Transient real fluid examples
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- Universal steady-state MRF examples
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- Additional coupled CHT example
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- Additional immersed boundary example
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- Additional steady-state MRF and GGI example
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* Bug fixes: see git log for details
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6 Recent successful compilations and tests
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==========================================
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* Ubuntu 16.04 LTS
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7 Reporting bugs
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================
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To report bugs, please use the bugtracker at
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[http://sourceforge.net/p/foam-extend/tickets/]
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8 How to contribute
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===================
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All your contributions are highly welcome: New solvers, utilities and
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models; bug fixes; documentation. The many ways of contributing and
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the contribution process are described in detail at:
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[http://sourceforge.net/p/foam-extend/wiki/HowToContribute/]
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9 List of Contributors:
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=======================
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See file ListOfContributors
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