Re: [Getfem-users] Default geometric transformation for cartesian mesh constructor

[Yves Renard]

On mardi 7 juin 2011, Konstantinos Poulios wrote:
> On Tue, Jun 7, 2011 at 1:22 PM, Yves Renard <address@hidden> 
wrote:
> > On mardi 7 juin 2011, Konstantinos Poulios wrote:
> >> Hi all,
> >> 
> >> I recently realized that the cartesian mesh constructor in the
> >> python/matlab interface uses parallelepiped_linear_geotrans as
> >> transformation, couldn't it use parallelepiped_geotrans instead?
> >> Shouldn't the user have the possibility to choose which transformation
> >> to use? If there are no objections I could add an optional flag to the
> >> cartesian mesh constructor to let the user choose a non linear
> >> transformation so that the generated mesh could be reshaped
> >> afterwards.
> >> 
> >> What do you think?
> >> 
> >> Kostas
> > 
> > No objection. This is an interesting option.
> > 
> > Yves.
> > 
> > --
> > 
> >  Yves Renard (address@hidden)       tel : (33) 04.72.43.87.08
> >  Pole de Mathematiques, INSA-Lyon             fax : (33) 04.72.43.85.29
> >  20, rue Albert Einstein
> >  69621 Villeurbanne Cedex, FRANCE
> >  http://math.univ-lyon1.fr/~renard
> > 
> > ---------
> 
> would it make sense to call it like:
> 
> m = getfem.Mesh('cartesian non-affine', ....)
> 
> ?
> 
> I am not sure if the term non-affine is correct here. "Bilinear" would
> be correct for only two dimensions, right? Any better suggestion?
> 
> Kostas


"cartesian nonlinear transformation" would be more explicit but a little bit 
long. May be also "cartesian multi-linear" or "cartesian Q1" ...

Well, "cartesian non-affine" is not so bad !


Yves.

-- 

  Yves Renard (address@hidden)       tel : (33) 04.72.43.87.08
  Pole de Mathematiques, INSA-Lyon             fax : (33) 04.72.43.85.29
  20, rue Albert Einstein
  69621 Villeurbanne Cedex, FRANCE
  http://math.univ-lyon1.fr/~renard

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