dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Fri, Dec 16, 2005 at 12:34:06PM -1100, kirby@xxxxxxxxxxxx wrote:
> 
> 
> ---- Original message ----
> >Date: Fri, 16 Dec 2005 10:24:59 -0600
> >From: Anders Logg <logg@xxxxxxxxx>  
> >Subject: Re: [DOLFIN-dev] Adding quadratic elements  
> >To: Discussion of DOLFIN development <dolfin-dev@xxxxxxxxxx>
> >
> >I think we should do arbitrary order isoparametric. We also 
> need more
> >general support for non-affine mappings like Piola for H
> (div) or
> >H(curl) conforming elements.
> >
> 
> Be careful here --

I promise I'll be very careful. :-)

> Piola mapping is separate from how the 
> geometry is transformed.  It would be relatively simple to 
> put in the Piola transform for affine geometry (what we 
> currently have).

Yes, and we already covered it in the FFC paper.

> It would be more difficult if the geometry 
> were curvilinear (but the main difficulty would be in 
> incorporating the geometry.
> 
> For some thoughts on doing general curved geometry, I refer 
> the reader to Gary Miller et al at CMU.
> 
> Rob

Yes, Tumble looks cool.

/Anders