I compared snappyHexMesh of OF-2.3.0 and foam-extend-3.2.
test body: Ahmed body
cell size of background mesh: 40 mm for XYZ directions
cell refinement level on Ahmed body: 4 (2.5 mm)
relative thickness of the first layer: 0.03125 (0.078125 mm)
thickness growth rate of layers: 2.0
number of layers: 5
checkMesh result:
The grid meshed by OF-version has tet wedges, while the one by foam-extend version doesn't.
The rest of the stats is not largely different.
Grid visualization:
OF-2.3.0
foam-extend-3.2
OF-2.3.0
foam-extend-3.2
OF-2.3.0
foam-extend-3.2
Feature edges are kept well in OF version.
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