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Forum List Public Forums Finite Element Modelling - Code_Aster
wwiki
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[SOLVED] Simple assembly example - 2010/02/07 23:13 I send an example of assembly .

I use LIAISON_MAIL with ordered normal.

Error is

pas de mailles a projeter

Have you any suggestions ?



Post edited by: wwiki, at: 2010/02/07 23:16

Post edited by: wwiki, at: 2010/02/10 21:42
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wwiki
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Re:Simple assembly example - 2010/02/07 23:16 .
File Attachment:
File name: pinAssembly_Work-8045996adbca0ae283c121ab8ffa2fb9.zip
File size:169617 bytes
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Claus
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Re:Simple assembly example - 2010/02/08 14:47 Just had a quick look at the mesh file and it seems you're trying to use liaison_mail to connect two surfaces, is that right?
Liaison_mail needs a volume and a surface to work.

Have a look here; it's not done yet, but the .comm file is documented.

http://www.caelinux.org/wiki/index.php/Contrib:Claws/Code_Aster/10_1_x_cases/liaison_mail Code_Aster release : STA10.1 on Ubuntu 10.4 64 bits - EDF/Intel version
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wwiki
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Re:Simple assembly example - 2010/02/08 23:35 Hello Claus,

Thank you for you comments and help.

You're right . It's a mistake to use in 3D liaison_mail to connect two surfaces.

LIAISON_MAIL command (see U4.44.01 section 4.14).

4.14.3.2 GROUP_MA_MAIT / MAILLE_MAIT
Ces mots-clés permettent de définir l’ensemble des mailles où l’on cherchera les vis-à-vis des nœuds
de la face esclave.
Attention :
En 3D, il ne faut pas donner des mailles de surface, mais les mailles volumiques adjacentes à la
face. Les mailles spécifiées sont des "candidates" pour la recherche des points vis-à-vis. On peut
en donner trop, cela n’est pas gênant.
De la même façon, en 2D, les mailles "maîtres" doivent être surfaciques (QUAD, TRIA) et non
linéiques


In 3D , I have to connect like this

LIAISON_MAIL=(_F(GROUP_MA_MAIT='3D',
GROUP_MA_ESCL='2D',
DDL_MAIT='DNOR',
DDL_ESCL='DNOR',)

I will update the simple assembly example.



Post edited by: wwiki, at: 2010/02/08 23:55
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wwiki
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Re:Simple assembly example - 2010/02/10 21:39 Hello ,

Here the corrected version.

http://wwiki.free.fr/public/files/pinAssembly.zip
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