boundary treatment for time domain waves

I see... thanks

I have a follow-up question. In some cases, the pml parameter may be complex-valued, can I do this? -- I tried to set a complex-valued pml parameter, it produces "netgen.libngpy._meshing.NgException: real Evaluate called for complex ScaleCF".

Thank you!

This is for a time domain simulation. There is no problem with the time harmonic pml.

I guess you need to make your finite element spaces complex then?
The solution will be complex valued then or not?
Best
Christopher