[Dan Zollman]

I don't know about stress analysis...I'm using Inventor 10 to design an omniwheel (I'll post pictures to CD soon), and I ran stress analysis with aluminum. With only 10 pounds of force, the wheel spokes bent way out of shape, much farther than I'd expect with aluminum wheels of that shape and size.

Has anybody been able to confirm the accuracy or inaccuracy of Inventor stress analysis results?

I couldn't confirm the physical properties that Inventor has of aluminum itself because I checked many websites for some of the properties and they disagreed on some of the properties, so I can't tell if Inventor has bad data, if Inventor makes the calculations incorrectly, or if I'm hugely overestimating the strength of aluminum.