Hy,
I am a beginner in antenna propagation and HFSS. I have a quesion about the monopole antenna.
I fixed my antenna on a cylindrical Cavity build with a NEW material with relative permeabilty 1000.
when I valdiate it does not display errors and when I click on analysis at the beginning it works then it stops doing in lambda refinement as shown in Figure
Click image for larger version. 

Name:	Sans titre.png 
Views:	15 
Size:	4.1 KB 
ID:	109185
thanks in advance