[Gmsh] Ghost Cells

Christophe Geuzaine cgeuzaine at ulg.ac.be
Wed Aug 4 10:56:35 CEST 2010


On 02/07/10 10:43, oka wrote:
> Dear all,
>
> I read this mail.
> Is it possible overlapped one layer between two partitioned regions can
> be calculated with 2.5.0-svn ?
> If possible, could you show me how to do it ?

By default the SVN version creates the ghost cells when you partition 
your mesh. We still need to interface the option to turn it on/off.

>
> Best regards,
>
> Oka
>
>
>> 2010/7/1 Jean-Francois Remacle<jean-francois.remacle at uclouvain.be>
>>
>>>
>>> Le 01-juil.-10 a 17:36, James O'Beirne a ecrit :
>>>
>>> Hi,
>>>
>>> I know that in gmsh 2.5.0-svn, calculation of one layer of ghost nodes is
>>> currently supported. Do the developers of gmsh have any plans to include
>>> calculation of an arbitrary number of overlap, or ghost, cells? Would it be
>>> straightforward to extend the current code to support this?
>>>
>>> I develop for FiPy, a finite volume solver for PDEs, and we currently use
>>> gmsh.
>>> We'd be very interested in seeing the calculation of an arbitrary number of
>>> overlaps supported in upcoming releases of gmsh.
>>>
>>>
>>> Jon, any idea ?
>>>
>> I do not know, it should not be too difficult but I've never had a look at
>> this part of the code. For our usage, one layer is enough.
>>
>>>
>>>
>>> Thanks for the great code,
>>> James
>>>
>>>
>>> _______________________________________________
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>>> gmsh at geuz.org
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>>>
>>>
>>>   ------------------------------------------------------------------
>>> Prof. Jean-Francois Remacle
>>> Universite catholique de Louvain (UCL)
>>> Ecole Polytechnique de Louvain (EPL) - Louvain School of Engineering
>>> Institute of Mechanics, Materials and Civil Engineering (iMMC)
>>> Center for Systems Engineering and Applied Mechanics (CESAME)
>>> Tel : +32-10-472352 -- Mobile : +32-473-909930
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>


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



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