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Version 2.2.2 includes bug fixes applied to version 2.2.x up to 1st October 2013 and notable developments listed below. See the version 2.2.0 release announcement for information about the new features in the 2.2 series of OpenFOAM software.
Meshing and mesh tools The following changes have been made to meshing and mesh tools:
- in snappyHexMesh, if a faceZone is created with faceType
baffle, then the baffle (duplicate) faces are preserved during layer
insertion;
- new orientFaceZone utility puts faces in a faceZone with a
consistent orientation;
- in utilities that create
a cellSet (e.g. topoSet), the surfaceToCell option allows cells
to be identified inside or outside of closed surfaces;
- in the linearNormal mesh extrusion, there is a new option to
specify the first layer thickness;
Moving mesh In mesh motion involving layer addition and removal, cells in a
deleted layer are now merged into neighbouring cells, with the value in the
resulting cell being the volume-average of deleted and neighbouring cells.
Modifications have also been made to enable particle tracking on moving
mesh cases. Finally, a new interPhaseChangeDyMFoam solver has been
introduced, a variant of interPhaseChangeFoam for moving mesh
cases.
Boundary conditions The following enhancements have been made to
boundary conditions:
- updated arbitrary mesh interface (AMI), enabling particle
tracking across AMI patches and improving robustness;
- new externalCoupledMixed condition, which provides a generic
interface between OpenFOAM and an external application;
- new externalCoupledTemperatureMixed condition, an example of
the externalCoupledMixed condition for temperature, see$FOAM_TUTORIALS/heatTransfer/buoyantSimpleFoam/ externalCoupledCavity
tutorial;
- updated externalWallHeatFluxTemperature condition to simulate
multiple layers, each with different heat transfer coefficient and
thickness;
- updated bouyantPressure condition to read the gradient field to
enable smooth case restarts.
Pre-processing The macro functionality in OpenFOAM input files has
been extended to include the use of macro expansions and regular
expressions in keyword names, and macro expansions in #include files, e.g.
file caseSettings;
#include "include/${file}"
intetPatch inlet;
wallPatches ".*Wall.*";
boundaryField
{
${inletPatch} { type ...
${wallPatches} { type ...
Numerical methods The Courant number blended scheme, CoBlended, stabilises the flow in small, unimportant cells where the velocity may be high, by blending between 2 schemes based on lower and upper Courant number limits.
Post-processing In v2.2.2, function objects have additional options for outputControl, similar to the standard writeControl options: adjustableRunTime, runTime, clockTime and cpuTime. Where the function generates a field, e.g. wallShearStress, pressureTools, yPlusRAS, etc.,
the field is now stored on the mesh database so that it is available for further post-processing. The fieldAverage function object now includes averaging of surface fields and the output of bin data for the forces function object is now written to a single log file. In the foamToEnsight utility, a new ‘-cellZone’ option has been added to post process a single cell zone.
OpenFOAM v2.2.2 was produced by the OpenFOAM Team at OpenCFD — Henry Weller, Mattijs Janssens, Chris Greenshields, Andy Heather, Sergio Ferraris, Richard Jones, William Bainbridge, Jenya Collings, Rory Sinclair and Sophie Glover. Thanks to the OpenFOAM enthusiasts who have contributed to a better code through the bug reporting system.
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