[Gmsh] Change in behaviour from v2.2.3 to v2.3.0-cvs-20081231

[Christophe Geuzaine]

mark starnes wrote:
> Hi everyone,
> 
> After a prompt from Dave Colignon, I'm finding version
> 2.3.0-cvs-20081231 fails when meshing the attached script, with many
> 'Could not find extruded vertex' errors.  It produces 16 elements across
> the x and z dimensions of the inner regions.  
> 
> Version 2.2.3 runs the script ok, producing a mesh with 8 elements
> across each of these regions.
> 
> Sorry for the complexity of the example.  The regions should have 8
> elements across them, not the 16 the new version generates.
> 

Hi Mark - It's a side effect of the new "All Quads" recombine algorithm. 
Make sure to use Mesh.RecombineAlgo=1 (and not "=2").


> Best regards,
> 
> Mark.
> 
> --------------------------------
> 
> 
> 
> 
> On Wed, 2008-12-31 at 15:29 +0100, David Colignon wrote:
>> Hi Mark,
>>
>> of course you should mention problems with nightly builds ! It will help us to quickly locate and fix regressions. Just be sure to indicate 
>> precisely which version is not working, and to provide a test case.
>>
>> Cheers,
>>
>> Dave
>>
>> --
>> David Colignon, Ph.D.
>> Collaborateur Logistique F.R.S.-FNRS
>> CÉCI - Consortium des Équipements de Calcul Intensif
>> ACE - Applied & Computational Electromagnetics
>> Institut Montefiore B28
>> Université de Liège
>> 4000 Liège - BELGIQUE
>> Tél: +32 (0)4 366 37 32
>> Fax: +32 (0)4 366 29 10
>> WWW:    http://hpc.montefiore.ulg.ac.be/
>> Agenda: http://www.google.com/calendar/embed?src=david.colignon%40gmail.com
>>
>>
>> mark starnes wrote:
>>> Hi everyone,
>>>
>>> I noticed last nights nightly linux build won't create some of my meshes
>>> that worked ok with v 2.2.3.  My question is, 'should I mention problems
>>> with the nightly build?'.
>>>
>>> Happy new year all.
>>>
>>> Mark.
>>>
>>>
>>> _______________________________________________
>>> gmsh mailing list
>>> gmsh at geuz.org
>>> http://www.geuz.org/mailman/listinfo/gmsh
>>
>> ------------------------------------------------------------------------
>>
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine