On Wed, May 30, 2012 at 2:40 PM, Roy Stogner <royst...@ices.utexas.edu>wrote:
>
> On Wed, 30 May 2012, John Peterson wrote:
>
> It might be possible to have a more complete separation between the
>> mapping aspects of the FE class and the approximation space aspects,
>> i.e. have an "FEMap" base class and corresponding hierarchy?
>>
>
> I personally would be thrilled if we could generalize to non-Lagrange
> maps. I haven't drunk the NURBS-approximation-spaces Flavor-Aid yet,
> but supporting NURBS geometric mappings would be fantastic.
>
> I think it's a red herring from the vector valued elements questions,
> however. The (Lagrange-or-NURBs-or-high_p-**etc) option on mappings
> from reference to physical space ought to be completely independent of
> the (covariant-or-contravariant-**or-piola) option for the subsequently
> induced mappings from reference to physical vectors (or tensors).
You're correct here I think. Although my comment before applies to H(curl),
the actual transformation is different than the H(div) case, so seems to
make sense to generalize the mapping concept.
>
> But there's no reason to worry about that potential design change
>> while you are already immersed in creating FEAbstract... maybe it
>> could be looked at again later if it seems useful.
>>
>
> Agreed.
>
Cool. I think it'll come up again in a big hurry, but I think it will be
better/easier to deal with once the details become more concrete.
FYI, I can reproduce the miscellaneous_ex6 problem in absence of my patch
on my mac, so it seems orthogonal.
Other comments before I commit?
Thanks,
Paul
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