yarns intersection

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qtnguyen
Posts: 1
Joined: Mon Nov 24, 2008 10:03 am
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yarns intersection

Post by qtnguyen »

Hi,
I'm new to the Forum and I have just started working with TexGen. I've exported a mesh to ABAQUS and I've seen some
interpenetration beween yarns. I think it's not good for simulation so I would like to know how I can solve this problem.
Thanks
Jarvis
Regular
Posts: 11
Joined: Wed Aug 13, 2008 8:42 pm

Post by Jarvis »

More information on your specific model would be helpful.

Do these interpenetrations exist in TexGen? You can check by using the python command Textile.DetectInterference() and this will yield the number of nodes that exist in the volume of another yarn. Alternatively, you can click Rendering->Render Textile Interference to on in TexGen, and then the interpenetrating nodes will show up as white dots in TexGen.

If your interpenetrations exist in TexGen, try changing your model parameters to avoid them.

Another cause of your interpenetrations could have to do with the exporting the volume mesh (if that is what you are doing). If your merge tolerance is too big, it can merge nodes in strange ways and cause the yarns to have very odd shapes.

Jarvis
Das_Tier
Posts: 2
Joined: Fri Oct 30, 2009 3:12 pm

Post by Das_Tier »

Hello,

I heard of an interference correction function. Does anybody know about this? Couldn't find anything in the Documentation. In my model I have coordinates of a wounded yarn, but there are many intersections in different layers.
Thanks for help
Bye
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