[Gmsh] question gmsh-2.0.7

Colignon David David.Colignon at ulg.ac.be
Tue Apr 17 16:09:35 CEST 2007


> Hi,
>
>    I am a gmsh user and I used to work with the version  1.63.2.
> But I downloaded now the version 2.0.7 and I found out that this version
> is much faster in creating the mesh of problems with a large amount of
> elements , wich is great!! I reduced from about 25 min. to more or less 1
> min. for a mesh of around 10700 2D quadratic elements.
>
>    But I found out a little problem (for me) because I used the output
> file of gmsh to create another mesh file where I insert interface
> elements in between all continuum elements.
>     For example I want to generate a mesh of a plate which have two
> circles inside of a different material. The problem is that gmsh
> creates a node in the point which correspond to the center of the
> circunferences and those nodes don't belong to any element. Moreover,
> those nodes are included in the .msh file.
>
>   Is there any way to avoid that?


Hi Marcela,

no, it cannot be avoided for the moment, as explained in:

http://www.geuz.org/pipermail/gmsh/2007/002365.html

and

http://www.geuz.org/pipermail/gmsh/2007/002396.html


Cheers,

Dave


>
> Just in case. I attached here a small file that I made to illustrate the
> problem I just explained in this email.
>
> Thanks a lot for your program and your help!
>
> Regards,
>
>
> Marcela Cid Alfaro
> --------------------------------
> Faculty of Aerospace Engineering
> Engineering Mechanics Group
> Delft University of Technology
> Kluyverweg 1, 2629 HS Delft,
> The Netherlands
> Tel: +31 15 278 6380
> Fax: +31 15 261 1465
> http://www.em.lr.tudelft.nl
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