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Ansys Learning Forum › Forums › Discuss Simulation › Photonics › Tesselation error in Lumerical CHARGE › Reply To: Tesselation error in Lumerical CHARGE

May 17, 2024 at 7:03 pm
Guilin Sun
Ansys Employee

Not sure what your  truncated cone looks like. If it has round top tip, it might be a problem since it will need many more  tetrahedral grids. To resolve this, you may need to "cut" a little bit of the tip, say 5 nm.

If there is any small long gap, it might also cause this issue.

Adjusting the global mesh constraints or auto-refinement settings might help. More setting description can be found here https://optics.ansys.com/hc/en-us/articles/360034918633-CHARGE-solver-Simulation-object

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