Hi Chandra,
There is likely a problem with your .geo file which is causing Gmsh to
generate a mesh with unpaired faces.
If you share your .geo file someone on the mailing list may be able to
help you track down the specific issue.
Regards, Freddie.
On 27/07/2020 09:37, Chandra Shekhar Pant wrote:
> Hello All,
> I am very new to the group as well to the PyFR, so please excuse me for
> my naive query. I am trying to import a 3D cylinder mesh (from gmsh) to
> PyFR but getting the following errors:
>
> Traceback (most recent call last):
> File "/home/csp/anaconda3/bin/pyfr", line 10, in <module>
> sys.exit(main())
> File
> "/home/csp/anaconda3/lib/python3.7/site-packages/pyfr/__main__.py", line
> 112, in main
> args.process(args)
> File
> "/home/csp/anaconda3/lib/python3.7/site-packages/pyfr/__main__.py", line
> 126, in process_import
> mesh = reader.to_pyfrm()
> File
> "/home/csp/anaconda3/lib/python3.7/site-packages/pyfr/readers/base.py",
> line 20, in to_pyfrm
> mesh = self._to_raw_pyfrm()
> File
> "/home/csp/anaconda3/lib/python3.7/site-packages/pyfr/readers/gmsh.py",
> line 277, in _to_raw_pyfrm
> rawm.update(mesh.get_connectivity())
> File
> "/home/csp/anaconda3/lib/python3.7/site-packages/pyfr/readers/base.py",
> line 196, in get_connectivity
> raise ValueError('Unpaired faces in mesh')
> ValueError: Unpaired faces in mesh
>
> Even though I tried to get rid off the triangle cells, and now the gmsh
> report says that it has: 43510 Hexahedral and 15282 Quadrangles. I am
> facing this issue for couple of days, so any suggestion/comment will be
> a great help to me. Thanks in advance.
>
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