[Gmsh] Error issue

[Christophe Geuzaine]

> On 18 Oct 2018, at 08:54, koh kelvin <kelvin882002 at yahoo.com> wrote:
> 
> Hi Christophe,
> 
> Many Thanks. I've solved the gmsh part as per your advice. However, I tried to import it to OpenFOAM.
> 

Does OpenFOAM read Gmsh mesh files?

> -----from OpenFOAM
> Starting to read mesh format at line 2
> Read format version 4  ascii 0
> 
> Starting to read physical names at line 5
> Physical names:8
>     Surface 1   inlet
>     Surface 2   outlet
>     Surface 3   top
>     Surface 4   bottom
>     Surface 5   cylinder1
>     Surface 6   cylinder2
>     Surface 7   front&back
> 
> Skipping tag $Entities at line 16
> Starting to read points at line 344
> Vertices to be read:259
> Vertices read:194
> 
> 
> --> FOAM FATAL IO ERROR:
> wrong token type - expected word, found on line 0 the label 198
> 
> file: IStringStream.sourceFile at line 0.
> 
>     From function Foam::Istream& Foam::operator>>(Foam::Istream&, Foam::word&)
>     in file primitives/strings/word/wordIO.C at line 74.
> 
> FOAM exiting
> 
> ----------------------------------------------------------
> Anything wrong with my gmsh file?
> 
> sorry to trouble you again.
> On Thursday, 18 October 2018, 1:15:39 PM GMT+8, Christophe Geuzaine <cgeuzaine at uliege.be> wrote:
> 
> 
> 
> 
> > On 18 Oct 2018, at 05:02, koh kelvin <kelvin882002 at yahoo.com> wrote:
> > 
> > 
> > Hi,
> > 
> > Greatly Thankful. 
> > Please find the file I have attached. 
> 
> There's no error in your file. However as you only define physical surfaces, only quads are saved in the output mesh file. To save the volume elements, add 
> 
> Physical Volume("the volume") = {1:22};
> 
> Christophe
> 
> > Please advise me.
> > Thanks.
> > On Thursday, 18 October 2018, 2:34:10 AM GMT+8, Christophe Geuzaine <cgeuzaine at uliege.be> wrote:
> > 
> > 
> > 
> > 
> > > On 17 Oct 2018, at 06:10, koh kelvin <kelvin882002 at yahoo.com> wrote:
> > > 
> > > Hi,
> > > 
> > > I have encountered an error. I have done the 3D meshing completed. Everything looks fine. But after save it as .msh file and re-run the 3D mesh, the error appears.
> > > 
> > > Error: No tetrahedra in region 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
> > > 
> > 
> > Can you send an example file + the exact commands that you are running?
> > 
> > 
> > > Initially, I was intended to import file to OpenFOAM. Error appear too. So I decided to open the msh file in gmsh to check. 
> > > 
> > > I don't understand. the geo file shows no error at all. Save in msh error prone.
> > > 
> > > I need your advice to resolve the issue urgently.
> > > 
> > > Many Thanks.
> > > 
> > > Regards,
> > > Kelvin Xu
> > 
> > > 
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> > 
> > — 
> > Prof. Christophe Geuzaine
> > University of Liege, Electrical Engineering and Computer Science 
> > http://www.montefiore.ulg.ac.be/~geuzaine
> > 
> > Free software: http://gmsh.info | http://getdp.info | http://onelab.info
> > 
> > <untitled2.geo><untitled2.msh>_______________________________________________
> 
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> 
> — 
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science 
> http://www.montefiore.ulg.ac.be/~geuzaine
> 
> Free software: http://gmsh.info | http://getdp.info | http://onelab.info
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine

Free software: http://gmsh.info | http://getdp.info | http://onelab.info