dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Mon, Jun 22, 2009 at 07:56:04PM +0100, Garth N. Wells wrote:
> Anders Logg wrote:
> > The comment in the non-matching interpolation demo says "L2
> > projection", but it looks like it's direct interpolation?
> > 
> 
> Yes, I've changed the comment.

ok.

> > I'm also confused about how smooth v1 looks. If it interpolates v0, it
> > should be just as rough but on a finer mesh.
> > 
> 
> It should appear smoother. v0 is on a P_3 element and a coarse mesh, 
> whereas v1 is P_1 on a finer mesh. The post-processing of higher-order 
> elements often looks a bit rough because we only visualise the solution 
> at the vertices.

Aha. I didn't notice v0 was P3.

-- 
Anders

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