Prism Mesh on a semisphere
Why does ICEM produce an erroneous Prismmesh on this simple semisphere?
Replay script and graphical result attached.
the problem resides in the geometry. make sure all the surfaces are checked for prism...
You can share your project so we can investigate with you...
Thank you diamondx.
In fact, i have found a different but related problem.
The symmetry surface and the ball must share an intersection curve.
They hadn't before.
Once the intersection curve between the symmetry plane and the ball was implemented (Geometry->Curve->Intersection of Surfaces), the mesh looks quite normal.
Yes, but the fix is simpler than that...
The bad intersection caused the problem...
This is because your small circle was offset a bit, which crumbled the edges so prisms couldn't form.
Here you can see that the prisms are fine away from the bad edge...
See here in the script... Why did you set the center of the sphere 1 unit below the symmetry plane?
Once I fixed that first line (to go from 0 to 1 instead of -1 to 0), it worked no problem...
Thanks Simon. Why did I offset the sphere center by 1 mm? In order to be more sure that the surfaces intersected.
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