[Gmsh] Hexahedral mesh inside a sphere

Deepak Garg deepak.garg at ingv.it
Wed May 11 21:17:55 CEST 2016

Hi all

Thanks to Felix for suggestion. I was able to make 3D hexahedral structured
mesh inside a sphere successfully. For sphere it is good to make a boundary
patch and rotate it in all directions. I am attaching the code file for
future users.

I noticed that it was not possible to make unstructured mesh as all the
algorithms Frontal, MMG3D etc. were failing.


On 10 May 2016 at 18:03, Deepak Garg <deepak.garg at ingv.it> wrote:

> Hi all
> I am trying to generate a hexahedral 3d mesh inside a sphere of radius 1.
> I am getting the error message
> "Cannot tetrahedralize volume with quadrangles on boundary".
> How to solve this problem? I am attaching my geo file. Any kind of help or
> suggestions will be a great help.
> Thank you
> Deepak
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