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#1 2021-06-09 18:59:22

From: ENGCALengineeringcalculations
Registered: 2008-04-08
Posts: 231

Contact CONTINUE with SANS_GROUP_NO between slave surfaces

I tried to use SANS_GROUP_NO between slave surfaces that share a common border. But the SANS_GROUP_NO made no difference.

The documentation U4.44.11 section 3.1.3 says "These operands make it possible to exclude from the nodes of surfaces slaves, operation which is recommended when the latter are subjected to boundary conditions in the expected direction of the contact (embedding for example)."

-So this may indicate that SANS_GROUP_NO only can exclude nodes that are in conflict with a boundary condition. Hence not nodes that are in conflict (included in) with another slave surface.  -Can someone confirm this? -If so, would it not be a useful feature if this option could also be used to exclude nodes involved on more slave surfaces?


Salome Meca 2019 on Ubuntu 18


#2 2021-06-11 05:51:34

From: Genève
Registered: 2016-04-02
Posts: 262

Re: Contact CONTINUE with SANS_GROUP_NO between slave surfaces

Hello Micke,
I asked the same question a few years ago but I guess it hasn't been improved yet:
https://code-aster.org/forum2/viewtopic … 704#p50704


失敗は成功のもと (L'échec est la base de la réussite)


#3 2021-06-11 06:11:04

Registered: 2019-06-18
Posts: 264

Re: Contact CONTINUE with SANS_GROUP_NO between slave surfaces


I also can confirm this behaviour, I had a simulation a few days ago where 2 slave surfaces were next to each other. I had to make an additional partition, that introduced a small gap between the two. SANS_GROUP_NO did not work.

Yes, it would be useful,


Last edited by mf (2021-06-11 06:17:42)