On 1/30/25 22:01, Amit Singh wrote:
I was concerned about some elements of very high aspect ratio occurring at the
chart boundaries. They appear like ridges on the surface. I have shown
examples for both a sphere and an ellipsoid. Also, the mesh loses symmetry i.e
the y-plus and the y-minus patches have different meshes after a few refinements.
I don't know off-hand what is causing this for you, but you probably want to
compare what you are doing with how the GridGenerator::hyper_sphere() function
is doing it:
https://www.dealii.org/current/doxygen/deal.II/namespaceGridGenerator.html#ab2dc2f16fc52cf1e51b9afdc4264ac70
It creates a mesh that does not have this issue, and if you trace where the
difference between your implementation and that of hyper_sphere() comes from,
you will probably also understand how to fix your issue.
Best
W.
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