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With the selection of the Boussinesq equation of state the general buoyancy solvers buoyantSimpleFoam and buoyantPimpleFoam can be used instead of the specialised Boussinesq solvers avoiding the need for special implementation of thermal and pressure boundary conditions and providing support for radiation and fvOptions which would not have been feasible or practical in the Boussinesq solvers. Other incompressible equations of state are also supported; for most gaseous problems the incompressiblePerfectGas equation of state is likely to be more accurate than the Boussinesq equation of state. The buoyantBoussinesq[SP]impleFoam tutorials have been updated and moved to the corresponding buoyant[SP]impleFoam directories.
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About OpenFOAM
OpenFOAM is a free, open source computational fluid dynamics (CFD) software package released by the OpenFOAM Foundation. It has a large user base across most areas of engineering and science, from both commercial and academic organisations. OpenFOAM has an extensive range of features to solve anything from complex fluid flows involving chemical reactions, turbulence and heat transfer, to solid dynamics and electromagnetics.
Copyright
OpenFOAM is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
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version. See the file COPYING in this directory or
http://www.gnu.org/licenses/, for a description of the GNU General Public
License terms under which you can copy the files.