[Gmsh] Problem meshing an old geo

[Christophe Geuzaine]

> On 31 Oct 2019, at 10:34, Marco Bajo <marco.bajo at ve.ismar.cnr.it> wrote:
> 
> Dear Christophe,
> 
> Thank you for the reply. I just downloaded and tested the new version. The program now makes the mesh, but it does not follow the rules in the fields. I send you a more complex example, which calls also a bathymetry file.

Add "Mesh.CharacteristicLengthExtendFromBoundary = 0;" in your .geo file:



Christophe

> 
> Best regards,
> 
> Marco
> 
> 
> On 10/31/19 8:34 AM, Christophe Geuzaine wrote:
>> 
>>> On 30 Oct 2019, at 20:52, Christophe Geuzaine <cgeuzaine at uliege.be> wrote:
>>> 
>>> 
>>> Dear Marco,
>>> 
>>> Good catch: it's a regression in Gmsh 4 for surfaces from the built-in kernel constructed on a non-planar geometry (here PolarSphere).
>>> 
>>> We will investigate further and see how we can fix the issue.
>>> 
>> The next dev snapshot will contain a temporary fix, which reverts the interpolation code to what it was in Gmsh 3.
>> 
>> The issue is tracked here: https://gitlab.onelab.info/gmsh/gmsh/issues/685
>> 
>> Christophe
>> 
>> 
>>> Christophe
>>> 
>>> 
>>>> On 30 Oct 2019, at 14:44, Marco Bajo <marco.bajo at ve.ismar.cnr.it> wrote:
>>>> 
>>>> Hello,
>>>> 
>>>> This geo was fine 5 years ago. Now I have errors in lcmin and lcmax meshing 2D. What's wrong?
>>>> 
>>>> Thank you,
>>>> 
>>>> Marco
>>>> 
>>>> <med.zip>_______________________________________________
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>>> —
>>> Prof. Christophe Geuzaine
>>> University of Liege, Electrical Engineering and Computer Science
>>> http://www.montefiore.ulg.ac.be/~geuzaine
>>> 
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> gmsh mailing list
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>>> http://onelab.info/mailman/listinfo/gmsh
>> —
>> Prof. Christophe Geuzaine
>> University of Liege, Electrical Engineering and Computer Science
>> http://www.montefiore.ulg.ac.be/~geuzaine
>> 
>> 
>> 
> -- 
> Marco Bajo
> Oceanography, CNR-ISMAR
> Arsenale - Tesa 104
> Castello 2737/F
> 30122 Venezia, Italia
> e-mail:    marco.bajo at ismar.cnr.it
> web:    http://www.ismar.cnr.it/
> tel:    ++39 041 2407 934
> fax:    ++39 041 2407 940
> 
> <med2.zip>_______________________________________________
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine



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