Perhaps you are combining two or more mirror symmetries with periodic
boundary conditions in 3d? This may cause field instabilities as
described in: https://github.com/NanoComp/meep/issues/132. If this is
the case, try removing the mirror symmetries.
On 11/1/2020 13:28, Gui Max wrote:
However, the simulation terminated with the error "simulation fields
are NaN or Inf". I have no geometry defined, but I still have this
error when the resolution and Courant are set to 40 and 0.1. The
computational cost would be too high if I keep increasing the resolution.
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