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In parallel decompositions of FEM meshes a number of vertices may be shared between more that only two processors. These vertices are typically located on intersections of face processor patches and cause all kinds of trouble, both in terms or organisation and communication. In order to simplify this issue, a processor point communication mechanism caters for all such points for a parallel decomposition. They are colected in a single global list which gets globally communicated (as necessary). A processor point patch knows which local processor points are in the global list and where. In order for this mechanism to work, the multiply-shared points need to be elominated from all other processor patches as well. Note: This patch is created automatically for parallel runs and is not accessible through the run-time selection mechanism as the user may get the construction wrong!
Definition in file globalProcessorTetPolyPatchCellDecomp.H.
Go to the source code of this file.
Namespaces | |
namespace | Foam |
Classes | |
class | globalProcessorTetPolyPatchCellDecomp |