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Mesh
The video below demonstrates the steps to mesh the geometry using Hexahedral elements which look like boxes. Hexahedral (or hex) elements yield higher accuracy compared with the default tetrahedral (or tet) elements for the same number of nodes. The "multizone" meshing method is used to get hex elements for this geometry.
We next refine the mesh locally in "areas of concern" using a "face sizing" as demonstrated in the following video.
In the following video, we interrogate the mesh in the interior of the model by cutting through the mesh using "section planes".
One important metric of element quality is skewness. The video below shows how to check the skewness distribution and display elements that are highly skewed.