[Gmsh] make a hexa second order mesh out of a hexa first order mesh

[Bernd Hahnebach]

Hi Christophe,

Works like a charm :-) Thanks for providing the gui and script commands.

kind regards bernd


Zitat von Christophe Geuzaine <cgeuzaine at ulg.ac.be>:

>
>> On 13 May 2016, at 07:16, Bernd Hahnebach <gmsh at b75.ch> wrote:
>>
>>
>> If either "Mesh --> set Order 2" or "Mesh -> Hight order tools" is  
>> used on a hexahedron8 it does not make a hexahedron20 but a  
>> hexahedron27 instead. Means a node is not only made on any edge  
>> center point but on any face center point too.
>>
>> This means back to the first question. Is it possible to make a  
>> hexahedron20 element out of an hexahedron8 in gmsh?
>
> Use "Mesh.SecondOrderIncomplete = 1;" in your script (or  
> "Tools->Options->Mesh->General : Use incomplete elements" in the GUI).
>