Spiral Antenna in HFSS!!!

hi,
I am uploadin a HFSS file from my projects ... but this spiral antenna seems to v pblm can nebody rectify these pblm .. it give initial mesh .. mesh3d error ...i used a rectangle first and then made the spiral through the spiral command in panel .. the 3dmodel validation is also .. i m using hfss9.2 plz help me ...
Regards Safwat

hi,
i just checked your model and found that it can be simulated in my computer after i set the frequency sweep range ,and there were no problems u said.
try it again.
i just used HFSS9.2

Regards gw_uestc