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Complicated Part Not Importing Properly and Can't Tetra-mesh

Altair Forum User

Hi there,

Created a fairly complicated part in Autodesk Inventor over the past couple of weeks. It looks this way as a result of a topology optimization run in Optistruct a while back.
(attached is an image of the part, as taken in Inventor)

However, now that I have drawn the part in Inventor, I am trying to bring it back into Hyperworks to analyze the part. However I cannot use the volume tetrameshing on this part. The imported IGS file seems to have gaps where there shouldn't be, and there are red lines appearing on the model when I try to do the tetrameshing.

I should mention that I did do a lot of filleting of sharp edges prior to bringing the part into Hypermesh.

Any thoughts or suggestions?

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tinh

Hi,

did you try following help topic HM-3270?

you can find it in menu help>HW Help home >>> Hypermesh Tutorials

and learn how to clean up geometry before meshing

Altair Forum User

Hi tinh,

Thanks for your response!

I exported the file as a STEP file instead, and it turned out to work just fine, no cleanup needed.

I read something online saying that the IGES format hasn't been maintained for the last 20 years, so I think that it was the problem.

Thanks again!!

QuyNguyenDai

IGES is only my latest working option. It's better with STEP, Parasolid.