[Gmsh] nodal coordinates
Christophe Geuzaine
cgeuzaine at ulg.ac.be
Wed Jan 30 09:31:22 CET 2008
Manav Bhatia wrote:
> Hi,
>
> Could I also add to my earlier question the following: Is it also
> possible to get access to the derivatives of the local coordinates
> with respect to the global ones? This might be a tricky issue for
> curved geometries, since tensorial components might be used, but it
> will be helpful.
> I have the following problem: If I know the sensitivity of the
> elementary points with respect to some parameter alpha, then I would
> like to calculate the sensitivity of the global nodal coordinates with
> respect to this parameter.
>
Cf. Geo/GEdge.h and Geo/GFace.h.
We've been actively working towards making Gmsh more easily embedabble
in oter codes. With recently nightly snapshots you can try "make
install-lib", which will install a single gmsh library together with the
geometric API header files.
> Thanks in advance for your response.
>
> Regards,
> Manav
>
>
>
>
> On Dec 29, 2007, at 8:49 PM, Manav Bhatia wrote:
>
>> Hi,
>>
>> I have a couple of questions about the meshing procedures inside
>> gmsh. When an elementary entity (line/surface/volume) is defined and
>> meshed, do the created nodes have local non-dimensionalized
>> coordinates in their respective line/surface/volume definitions?
>> If so, is it possible to get these printed, or have access to them
>> through an API?
>>
>> I would greatly appreciate any help on this matter.
>> Happy Holidays and a Happy New Year to everyone...!!
>>
>> Regards,
>> Manav
>>
>>
>
>
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>
--
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine