[Gmsh] Problem with importing a mesh in Abaqus

[Omid Mahabadi]

Hi,
I thought quite a bit about element types in Abaqus. The reality is that 
there are so many different element types in Abaqus that makes defining 
a "generic" type rather impossible. I would suggest to keep the default 
Abaqus export as currently is, but give the user the option to define 
custom types in the gmsh geometry file. For instance, in the case of a 
2D mesh, the user may define a maximum of two strings for the 1D and 2D 
element types, which can look like:
Mesh.Abaqus.ElementType.1D = "C1D2"
Mesh.Abaqus.ElementType.2D = "C2D3"
(I'm just mimicking gmsh's syntax here)

I discussed the above suggestion with another colleague of mine who has 
used Abaqus in the past and it made sense to them. What are your thoughts?

Thank you,
Omid


On 05/04/13 06:35 AM, Christophe Geuzaine wrote:
> On 05 Apr 2013, at 12:07, Christophe Geuzaine <cgeuzaine at ulg.ac.be> wrote:
>
>> On 18 Mar 2013, at 18:03, Pierre-Frederic Villard <pierre-frederic.villard at univ-lorraine.fr> wrote:
>>
>>> Hi,
>>>
>>> I have issues with importing gmsh-created meshes in Abaqus 6.12. I tried two methods, which equally failed:
>>> 1 - I tried to save the mesh as OpenCASCADE step format but I have an error:   "Error   : No OpenCASCADE model found"
>> Hi Pierre-Frederic - This would actually not export the mesh, but the CAD model - so it's not what you want.
>>
>>> 2 - I tried to save the model as an Abaqus INP file but I have a problem importing it in Abaqus : "Element type "C2D3" is not supported." with triangles and "Element type "C1D2" is not supported" with segments.
>>>
>> Indeed. I just had a look at the Abaqus documentation, and C2D3 and C1D2 do not seem to be in the general "Element Indexes" available in Abaqus/Standard.
>>
>> What should we use when we export "generic" elements (i.e., not linked to any physics)?
>>
>> @Omid - any ideas?
> I've committed r15202 with the ideas from
>
> https://geuz.org/trac/gmsh/ticket/129
>
> @Abaqus users: let me know if this is better...
>
>
>
>>
>>
>>> Does anyone have any idea how to solve this problem?
>>>
>>> Cheers,
>>>
>>> Pierre
>>>
>>>
>>> _______________________________________________
>>> gmsh mailing list
>>> gmsh at geuz.org
>>> http://www.geuz.org/mailman/listinfo/gmsh
>> -- 
>> Prof. Christophe Geuzaine
>> University of Liege, Electrical Engineering and Computer Science
>> http://www.montefiore.ulg.ac.be/~geuzaine
>>
>>
>>

-- 
Omid Mahabadi
Geomechanica, Inc.
Tel: (647) 478-9767 x824