[Gmsh] Error issue

[koh kelvin]

 Hi Christophe,
Many Thanks. I've solved the gmsh part as per your advice. However, I tried to import it to OpenFOAM.
-----from OpenFOAMStarting to read mesh format at line 2Read format version 4  ascii 0
Starting to read physical names at line 5Physical 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 16Starting to read points at line 344Vertices to be read:259Vertices 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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> > gmsh at onelab.info
> > http://onelab.info/mailman/listinfo/gmsh
> 
> — 
> 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
  
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