[Gmsh] Higher order quadrangular mesh.

[Christophe Geuzaine]

On 06/10/10 23:46, Vijay S. Mahadevan wrote:
> Hi Christophe,
>
> I actually just tried it and it works perfectly with the nightly
> build. Again, thank you very much for the prompt fix !
>
> I did find something weird in the gui in the new version. If I used
> the windows GUI version to create even a first order quad mesh with
> the given geo file, it shows a node in the middle of every element
> (similar to a bubble). But writing out the mesh file and then
> reloading it removes this anomaly. Maybe this is just an error in the
> interface portion of it. I thought that you should know because it is
> annoying to see a node that is not supposed to be there for a given
> order element and gives a wrong impression of the final mesh being
> generated. Hope that helps to replicate the bug.

Weird. Can you give the precompiled 2.5.0 version a try?

>
> Vijay
>
> On Wed, Oct 6, 2010 at 3:44 PM, Vijay S. Mahadevan<vijay.m at gmail.com>  wrote:
>> Thanks for the prompt reply. I will try this tonight and will let you
>> know if I still have issues.
>>
>> Vijay
>>
>> On Wed, Oct 6, 2010 at 2:30 PM, Christophe Geuzaine<cgeuzaine at ulg.ac.be>  wrote:
>>> On 06/10/10 01:58, Vijay S. Mahadevan wrote:
>>>>
>>>> Hi,
>>>>
>>>> I have a nice 2-D lattice that I want to discretize using higher order
>>>> quadrangles. Since the GUI version does not seem to support p>2, I
>>>> work with the command line version (ver:  2.4.2). But it does not
>>>> yield correct results. The first and second order meshes work
>>>> correctly and display as they should but the higher order meshes are
>>>> buggy (the internal nodes per element are incomplete and
>>>> inconsistent). I would really appreciate it if you can help me out in
>>>> finding the error in the geo file for using higher order
>>>> discretizations.
>>>>
>>>> I've attached the geometry file with the mail along with the discrete
>>>> mesh for 2nd and 3rd order quads. If you need anything else, do let me
>>>> know.
>>>
>>> Hi Vijay - this should be fixed in ewcent nightly snapshots. Could you give
>>> it a try?
>>>
>>>>
>>>> Thank you,
>>>> Vijay
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> 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
>>>
>>
>


-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine