On 05 Apr 2013, at 17:49, Omid Mahabadi <[email protected]> wrote:
> > On 05/04/13 10:25 AM, Christophe Geuzaine wrote: >> On 05 Apr 2013, at 16:13, Omid Mahabadi <[email protected]> >> wrote: >> >>> 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? >>> >> With SVN r15202 I at least changed the default tags to tags that should be >> understood by Abaqus/Standard (had to change lines, triangles and quads). We >> might want more flexibility in the future, but it might also be overkill (we >> need types for 1st order and 2nd order elements, etc.). > I totally agree as user-defined types can get complicated. > On a side note, for your information I've realized that now Element numbers > don't start from 1 anymore. Indeed: that's a side-effect of the new scheme. Since we must remember the numbers in the ELSETS, we cannot just renumber on-the-fly as before. >> >> >>> Thank you, >>> Omid >>> >>> >>> On 05/04/13 06:35 AM, Christophe Geuzaine wrote: >>>> On 05 Apr 2013, at 12:07, Christophe Geuzaine <[email protected]> wrote: >>>> >>>>> On 18 Mar 2013, at 18:03, Pierre-Frederic Villard >>>>> <[email protected]> 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 >>>>>> [email protected] >>>>>> 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 >>> > > -- > Omid Mahabadi > Geomechanica, Inc. > Tel: (647) 478-9767 x824 > -- Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine _______________________________________________ gmsh mailing list [email protected] http://www.geuz.org/mailman/listinfo/gmsh
