It is not implemented in SFC, I don't think it is implemented properly in FFC either, but I am not sure.
Kent On 8 April 2011 13:19, Jack Hale <[email protected]> wrote: > Hi, > > I've been looking to compare some approaches to solving the biharmonic > problem (mixed and primal weak forms) that appears in areas such as > plate bending. The primal formulation requires a subspace of H^2 to be > constructed. > > It seems that when I try to declare something like: > > V_3 = df.FunctionSpace(mesh, "Hermite", None) > > I get the error: > > RuntimeError: *** Error: Illegal degree for creation of function > space, not an integer: None > > And upon the declaration to: > > V_3 = df.FunctionSpace(mesh, "Hermite", 1) > > I get the error: > > ufl.log.UFLException: Degree "1" invalid for "Hermite" finite element, > should be None > > I can see that the element has been implemented in both SyFi and FIAT, > but has it been implemented in SFC/FFC and Dolfin? If not (and I'm not > sure I have the skills to help, but would like to know) what needs to > be done to finish the implementation through to the Dolfin level? > > Thanks for your help, > > Jack Hale > Department of Aeronautics > Imperial College London > > _______________________________________________ > Mailing list: https://launchpad.net/~dolfin > Post to : [email protected] > Unsubscribe : https://launchpad.net/~dolfin > More help : https://help.launchpad.net/ListHelp >
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