Help:HFSS

HFSS is a commercial finite element method solver for electromagnetic structures from Ansys. The acronym originally stood for high frequency structural simulator.

Vendor homepage

http://www.ansys.com/

Software homepage

http://www.ansys.com/Products/Simulation+Technology/Electronics/Signal+Integrity/ANSYS+HFSS

Software availability

Antenna lab, Dr. Gong

Other related software

nec2, eznec (free)