you can find this tutorial in Alberta university site but they have done it for ansys 9 and I have just modified it for new version. please pay attention to the red line and Please accept my apologies for poor English.
In first step we should choose element type, in old version I think under version 10 you should choose ( pipe>> Elast straight 16 ) and you should give section details in ( Real constants ) but in new version we use 3D finite strain and then in sections part we input section details.
give material data to software
Now we want to make bicycle frame. we have 6 point and each points are made with (x,y,z)
these are other points do it like previous picture.
Now we should connect point to each other
our frame is ready