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[snappyHexMesh] splitMeshRegions does not split one cellZone after snappyHexMesh

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Old   August 8, 2018, 13:06
Default splitMeshRegions does not split one cellZone after snappyHexMesh
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Sarah
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Hi all,

Based on the snappyMultiRegionHeater example, I am meshing a similar case with 3 domains using snappyHexMesh. I generated the STL files from ImageJ (as shown in the first image).

snappyHexMesh refines the mesh at the interfaces (as shown in the second image) but splitMeshRegions -cellZones -overwrite does not separate the three regions (as shown in the third image).

When I checked the constant/polyMesh/cellZones after snappyHexMesh, one of the regions had only 1 element which was not expected, I am not sure why.

Any ideas? Your help would be heartfully appreciated.
Cheers,
Sarah
Attached Images
File Type: jpg stl.jpg (38.9 KB, 12 views)
File Type: jpg surface_edges.jpg (103.4 KB, 9 views)
File Type: jpg surface.jpg (27.7 KB, 7 views)
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