[Dune] Mixed Finite Element Methods

Arne Rekdal arne at stud.ntnu.no
Mon Jan 26 13:08:26 CET 2009


Hello!

I want to create a mixed FEM-solver to the elliptic problem
   -div( a grad(p) ) = f in Omega
                   p = 0 on dOmega.

In several articles I have come across, they decompose this problem  
into a system of first order equations. The flux vector u is defined  
as, u= -a grad(p). They choose the Raviart-Thomas space as solution  
space for u. Are there available basis functions for these spaces  
within DUNE, or is it possible to use a different approach to solve  
the problem?

Thanks!


Best regards,
Arne Rekdal





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