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Re: [FFC-dev] Higher-order problems?

 

Yes! Of course.
I'll go DG.

Thanks! 

On Friday 26 June 2009 14:06:23 Anders Logg wrote:
> On Fri, Jun 26, 2009 at 07:53:14AM -0500, Robert Kirby wrote:
> > Leaving aside any ffc issues, this formulation is a problem
> > mathematically -- second derivatives of piecewise Lagrange polynomials
> > don't make sense because they are only C^0.  There are several
> > workarounds:

> > - You can also use the "continuous/discontinuous Galerkin method, where
> > you add penalty terms on the first derivatives.
>
> Check out section 5.4 in the attached paper.

-- 
Nuno David Lopes

e-mail:ndl@xxxxxxxxxxxxxx        (FCUL/CMAF)
           nlopes@xxxxxxxxxxxxxxx    (ISEL)
http://ptmat.ptmat.fc.ul.pt/%7Endl/ 

Fri Jun 26 14:14:04 WEST 2009

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