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ccantarelli1-Visitor
1-Visitor
July 25, 2017
Solved

CREO Simulate - Interpenetrations in results visualization

Hello,

 

I have a doubt about interpenetrations: in the deformed configuration visualization (in the results window) I see that there is interpenetration between parts even in I defined contact pairs between the involved surfaces and the simulation completed with no particular issue. Could it be a simple matter of visualization or does it mean that for sure something went wrong with the contacts?

Thank you for the help, as usual.

skunks
skunksAnswer
19-Tanzanite
July 25, 2017

penalty contact is non linear:

 

contact.JPG

 

info

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2 replies

skunks
skunks19-TanzaniteAnswer
19-Tanzanite
July 25, 2017

penalty contact is non linear:

 

contact.JPG

 

info

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sdensberger2-Explorer
2-Explorer
November 28, 2017

Creo uses a pure penality based method, so there will always be some level of interpenetration present. Zero interpenetration requires a lagrangian based method (pure or augmented). You could tighten the convergence requirement a bit to see how much it changes the results.

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