Yeah it's not just some arcs that aren't smooth the whole femur is non-existent in abaqus attatched an image for other users to see the difference between autocad/abaqus any help is appreciated as my knowledge of abaqus is minimal.
http://i39.tinypic.com/2qb9nhc.png
I have a 2d model of a femur that I have drawn in AutoCAD, I wish to run some analysis on this in abaqus, is there anyway in which I can export a dwg/dxf file into abaqus as a single part, then define my material etc and run the analysis.