ffc team mailing list archive

[Marie Rognes <meg@xxxxxxxxx>]

Andy Ray Terrel wrote:
> Okay so Brezzi Fortin have just a bubble function with one node.
> Perhaps they meant P3 but their notation is ambiguous.
> ArnoldBrezziFortin1984 does call for the P3 in the original paper but
> then they mention using 2 P4 bubble functions for the next velocity
> order.  If I do enrich with 2 P4 bubbles with ffc will the bubble
> functions be any different.  It just seems like it will give exactly
> the same evaluation points as enriching with 1 bubble function.
>   

I'm not quite sure what you mean by enriching with 2 P4 bubble 
functions. Do you mean 2 as in 2 components? Note that the bubble space 
of degree 4 has local dimension 3.

Are you sure  that you have the latest ffc?

--
Marie