[Gmsh] [Gmsh ]One layer of solid elements through thickness instead of two

[Pawel Kudela]

Dear Christophe,

Thank you very much for the answer and great work behind gmsh software!

Regards,

Pawel


Polish Academy of Sciences
Institute of Fluid-Flow Machinery
Centre for Mechanics of Machines
Mechanics of Intelligent Structures Department
Fiszera 14 St, 80-231 Gdansk
tel. +48 58 5225 251
W dniu 2020-10-08 o 21:56, Christophe Geuzaine pisze:
>
>> On 8 Oct 2020, at 08:37, Pawel Kudela <pk at imp.gda.pl> wrote:
>>
>> Dear Gmsh community,
>>
>> Do you know how to force gmsh to produce only one layer of hexahedral elements through the thickness of the thin-walled structure like in the attached example? I want to have only one layer of linear elements which will be than converted to higher order spectral element type.
>>
>> 3D meshing always produces two elements even though 1 layer is set in extrude operation.
>>
> You get 2 elements in the layer because of the
>
>    Mesh.SubdivisionAlgorithm = 2; // 1: all quadrangles; 2: all hexas
>
> command, which subdivides the mesh (to get a full quad/hex mesh).
>
> There's active work on new quad meshing tools, so hopefully this limitation will disappear in the future.
>
> Christophe
>
>> Regards,
>>
>> Pawel
>>
>> -- 
>>
>> Polish Academy of Sciences
>> Institute of Fluid-Flow Machinery
>> Centre for Mechanics of Machines
>> Mechanics of Intelligent Structures Department
>> Fiszera 14 St, 80-231 Gdansk
>> tel. +48 58 5225 251
>> <plate_extruded_with_stringer.geo>_______________________________________________
>> gmsh mailing list
>> 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
>
>
>