[snappyHexMesh] Element with 5 faces and a needle face -- CFD Online Discussion Forums

July 15, 2020, 06:49

Element with 5 faces and a needle face

Captain Convergence

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Dear all,

I am trying to simulate a ducted fan just for practicing OpenFOAM. When meshing with snappyHexMesh, the systems dumps a cell which seems to have 5 faces and a needle face (due to the snap of the block mesh with the walls.stl file) and that's why I think my snappyHexMesh crashes. I have attached 2 screenshots of my geometry and the aforementioned cell and also the snappyHexMeshDict. I have tried to play with all the refinements but I didn't manage it to work properly.

Do you have any tip about where I should start looking to fix this issue?

Attached Images

	dumped_element.jpeg (60.2 KB, 5 views)
	geometry.jpg (57.0 KB, 6 views)

Attached Files

snappyHexMeshDict.txt (3.5 KB, 0 views)

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