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Long running with instability nodes

8 REPLIES 8
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Message 1 of 9
Anonymous
507 Views, 8 Replies

Long running with instability nodes

Hi My model analysis has nearly been running for 24 hrs with almost 6000 instability nodes detected in RXYZ and UXYZ. Does anyone know why this is happening?

8 REPLIES 8
Message 2 of 9
Rafacascudo
in reply to: Anonymous

It can have a lot of reasons. Too many releases , imprecise geometry, insufficient support etc

Impossible to know without the file. Zip it before attaching , if possible

Rafael Medeiros
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Message 3 of 9
Romanich
in reply to: Anonymous

Hi @Anonymous ,

I would also recommend to check this webinar: Instability warnings during model analysis: causes and solutions 

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Roman Zhelezniak

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Message 4 of 9
Anonymous
in reply to: Rafacascudo

Hi @Rafacascudo zip file is attached now

Message 5 of 9
Rafal.Gaweda
in reply to: Anonymous

Hi @Anonymous 

 

1. Turn off kinematic links

2. Mesh model - see screen shot below.

3. Fix model geometry then.

 

mo.jpg

 

 



Rafal Gaweda
Message 6 of 9
Anonymous
in reply to: Rafal.Gaweda

Hi @Rafal.Gaweda for step 3 I am a bit confused about it. Are you able to give me more hints?

Message 7 of 9
Rafal.Gaweda
in reply to: Anonymous

Hi @Anonymous 

 

Besides geometry inaccuracies:

 

skinny.jpg



Rafal Gaweda
Message 8 of 9
Rafal.Gaweda
in reply to: Anonymous

Hi @Anonymous 

 

Fixed model attached.



Rafal Gaweda
Message 9 of 9
Anonymous
in reply to: Rafal.Gaweda

@Rafal.GawedaThank you so much!

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