The straightforward usability and power will surprise you !

LISA is a user-friendly linear finite element analysis package with an integrated modeler, multi-threaded solver & graphical post-processor supporting a full range of analysis types. [more...]

static, vibration, buckling
dynamic response, thermal, fluid
electro/magnetostatic, acoustic
2D & 3D automeshers

STEP, STL, VRML file support
Windows XP, Vista, 7
1,300 nodes free download
~100,000 nodes $80