c7ccc2dee9
Mapping with interpolation now behaves correctly when a single cell maps to multiple faces. In addition, the mapping structure is more compact and no longer results in copies being made of entire internal fields. This has been achieved by rewriting the mapping strategy in mappedPatchBase so that it maps from a reduced set of sampling locations to the patch faces, rather than directly from the cells/faces to the patch faces. This is more efficient, but it also permits multiple sampling locations to be sent to a single cell/face. Values can then be interpolated to these points before being sent back to the patch faces. Previously a single cell/face could only be sent a single location onto which to interpolate; typically that of the first associated patch face. The resulting interpolated value was then sent back to all associated patch faces. This meant that some (potentially most) patch faces did receive a value interpolated to the correct position.
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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.
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