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Inventor Pro Analysis principal stress vector display

Inventor Pro Analysis principal stress vector display

Inventor Pro Analysis principal stress vector display

We recently started migrating to Autodesk Inventor Professional 2019.

The embedded FEA is kind of fun, so far.
One thing I'm really missing is the ability to plot principal stress results as vectors to get a feel for the direction of the principal stresses.

Is there a setting to display results as vectors instead of pretty colors ?


Dan T

RE: Inventor Pro Analysis principal stress vector display

My experience with earlier versions of this (circa 2013) was that only pretty colours were to be had. Correct me if I'm wrong, but have they started using a version of NASTRAN since about 2017? Other solvers can be used, right? If you don't have NASTRAN or some other credible solver, then it's nothing more than artwork.


RE: Inventor Pro Analysis principal stress vector display

It's been awhile since I played with it, and like Spar, I used an earlier version. But, I thought you could play with output settings to at least view Sxx/Syy/Szz stresses? I'd argue that "artwork" is a bit misleading - if you are working in materials for which the Von Mises stress is a valid failure theory, or (more often) where you are interested in displacements more than stresses, and do a good job of modelling or sub-modelling of critical features (and back up your modelling with some testing), it can be a useful and predictive tool. The "probe" tool for picking off stresses/displacements is more useful than the color band charts for really critical work.

RE: Inventor Pro Analysis principal stress vector display

I agree with the above. It is a useful for basic FEA. I've found I've needed the flexibility of NASTRAN Inventor for buckling analysis and designs with bolted connections.

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