[Gmsh] .msh file problems

[Javier Piñeiro]

Dear Kubicek

I cannot e-mail you the original mesh as it is a 34 MB file. By the way, it
is a 2D mesh.

Thank you for the offer, but i think I won't need the program

Kind regards

Javier




2009/7/30 Kubicek Bernhard <Bernhard.Kubicek at ait.ac.at>

> In have a functional converter from the 3d-gambit mesh file format to the
> gmsh file format.
> If you send me the compressed Gambit mesh, I could send you back the gmsh
> mesh.
> Also, I have  a converter from gmsh geo file to gambit journal file.
> However, both are programmed using linux, and I am not really allowed to
> give away the code (approx 1year of coding, and it includes much more than
> just the converter, but also solvers and a lot of junk).
> If you really need it more often, maybe i can try to compile it with cygwin
> and send you a windows executable for non-commercial use. Linux binary is
> more tricky, as we only use amd64 with ubuntu j* j*.
>
> greetings,
>  Bernhard
>
> PS: by the way, 500000 is _not_ a large mesh.
>
> Bernhard Kubicek
> Energy Department
> Electric Energy Systems
>
>
>
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> ________________________________________
> From: gmsh-bounces at geuz.org [gmsh-bounces at geuz.org] On Behalf Of David
> Colignon [David.Colignon at ulg.ac.be]
> Sent: Thursday, July 30, 2009 5:31 PM
> To: Javier Piñeiro
> Cc: gmsh at geuz.org
> Subject: Re: [Gmsh] .msh file problems
>
> Javier Piñeiro wrote:
>
> > Dear All
> >
> > I am currently working on my MSc Thesis at Cranfield University (UK)
> > about Open Source and CFD, and Gmsh is one of the software packages I am
> > evaluating.
> >
> > My problem is that the startpoint for the comparartive is a mesh
> > developed in Gambit. It is a quite big file, with around 500000 cells
> > and 34 Mb. The format file is .msh, but Gmsh is not able to open it
> > (even though it opens .msh).
>
>
> Hi Javier,
>
> I suppose Gambit and Gmsh use .msh as an extension for mesh file, but it
> doesn't mean that the format of the files is
> the same (open both with a text editor to see the differences). I am not
> aware that Gmsh is able to open Gambit mesh
> files... Gmsh has its own format for mesh files:
> http://www.geuz.org/gmsh/doc/texinfo/gmsh-full.html#SEC56
>
>
> > Does anyone know what the problem might be? Is there a way to convert
> > the file to something readible by Gmsh, if possible in open source?
>
>
> Gmsh can also import and export meshes in  I-deas UNV, Nastran
> BDF, STL, Medit MESH and VRML 1.0 files format
>
>
> Is
> > the size of the file or the number of cells a limitation
> >
> > I also tried to do the mesh from scratch on Gmsh, including the
> > geometry. I got a mesh but if I try to refine it the program crashes.
>
>
> Can you send us your .geo file ?
>
>
> Cheers,
>
> Dave
>
> --
> David Colignon, Ph.D.
> Collaborateur Logistique du F.R.S.-FNRS
> CÉCI - Consortium des Équipements de Calcul Intensif
> ACE - Applied & Computational Electromagnetics
> Sart-Tilman B28
> Université de Liège
> 4000 Liège - BELGIQUE
> Tél: +32 (0)4 366 37 32
> Fax: +32 (0)4 366 29 10
> WWW:    http://hpc.montefiore.ulg.ac.be/
> Agenda:
> http://www.google.com/calendar/embed?src=david.colignon%40gmail.com
>
>
> > Changing the options in the characteristic length does not have any
> > effect, it generates exactly the same mesh. Does anyone know something
> > about this?
> >
> >
> > Thank you in advanced for your help
> >
> >
> >
> > Kind regards
> >
> >
> >
> > Javier Pineiro
> >
> >
> >
> > --
> > Javier Piñeiro Pérez
> >
> >
> > ------------------------------------------------------------------------
> >
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> > gmsh at geuz.org
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>
>
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-- 
Javier Piñeiro Pérez
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