[Gmsh] About Scaling
David Colignon
David.Colignon at ulg.ac.be
Fri Mar 2 12:25:04 CET 2007
Hi,
can you send us your test .geo file and explain which meshing algorithm you use for 2D and 3D ?
Cheers,
Dave
--
David Colignon, Ph.D.
ELAP - Service d'Electricité Appliquée
Institut Montefiore B28
Université de Liège
4000 Liège - BELGIQUE
Tél: +32 (0)4 366 37 32
Fax: +32 (0)4 366 29 10
http://elap.montefiore.ulg.ac.be
Cécile Giorla wrote:
> Hi !
> I have noticed that GMSH doesn't have the same comportment if I want to
> mesh a big domain or a small one. I have created a domain to mesh, and I
> scaled it up and down (scaling the dimensions of the box AND the
> characteristic lengths).
> For a box (40,20,3) (Scale factor = 1) I obtain about 202 000 elements,
> SCALING UP : scale factor 3 -> 423 000, scale factor 4 -> 1 033 000
> SCALING DOWN : scale factor 0.1 -> 253 000, scale factor 0.01-> 252 000,
> scale factor 0.001-> 253 000
>
> Why does it become so big when I have big dimensions?
>
> Thank you very much.
> Cecile Giorla.
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