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Liaison of faces with DKT

  • Tom G.
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15 years 3 months ago #3753 by Tom G.
Liaison of faces with DKT was created by Tom G.
Hello!

I tried to "glue" some faces with LIAISON_MAIL. The error output is: "pas de mailles a projeter". The rows where the colored faces are, should be connected with each other.

Thank you and greetings,
tommy221<br /><br />Post edited by: Tom G., at: 2010/01/20 14:16
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15 years 3 months ago #3755 by Claus
Replied by Claus on topic Re:Liaison of faces with DKT
I have trouble understanding how you are using LIAISON - the meshes must intersect, you understand that right?

Code_Aster release : STA11.4 on OpenSUSE 12.3 64 bits - EDF/Intel version
  • Tom G.
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15 years 3 months ago #3756 by Tom G.
Replied by Tom G. on topic Re:Liaison of faces with DKT
I have a working example with solids in which the meshes doesn't intersect, so i left some space between the sheets, that I can select them well. There is no space between the sheets in real. The arrows in the pic show where the elements should be connected.




<br /><br />Post edited by: Tom G., at: 2010/01/20 18:01
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15 years 3 months ago #3757 by Torben
Replied by Torben on topic Re:Liaison of faces with DKT
I made a comment regarding liaisons in ASTER &gt;somewhere else&lt; . According to Code_Aster documentation the meshes do not have to be compatible. I still have not tried the liaisons myself.
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15 years 3 months ago #3772 by Torben
Replied by Torben on topic Re:Liaison of faces with DKT
Hi.

I have now tried a few configurations with liaison_mail and DKT modelisations. None of them worked. I see nothing in the documentation indicating that DKT is not compatible with liaison_mail - but it does appear so. This is the error message I get from the .mess file:

[code:1] !
!
! &lt;EXCEPTION&gt; &lt;CALCULEL4_55&gt; !
! !
! !
! pas de mailles a projeter. !
! !
! !
! !
! !
!
![/code:1]

Maybe it only works with 2nd order elements?
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15 years 3 months ago #3776 by kwou
Replied by kwou on topic Re:Liaison of faces with DKT
Hoi Torben

I am not sure about this error, but it might be caused by a quadratic mesh. DKT needs linear mesh if I recall correctly. But only judging by this small part of the mess file, is a bit hard.

Kind regards - kees

Interest: structural mechanics, solar energy (picture at 'my location' shows too little pv panels)

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kind regards - kees
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