Hello,
It's been a while since I asked questions to this group, and I hope you are
all doing well
I tried to figure this out and dug into the communications, but failed, so
if anyone can help me, I would greatly appreciate it.
I know the deal.ii has this information and I know I have to use
" MappingQ1<dim,dim> mapping; "..
1. Is there any way to get or access to the reference element basis
functions?
e.g \hat{phi}_i (\hat{x}) where \hat{x} \in \hat{K}
2. In the other direction, I calculated the reference element basis
functions with hand, and I want to use the "transform"
(https://www.dealii.org/current/doxygen/deal.II/classMapping.html)
virtual void Mapping< dim, spacedim >::transform
(const ArrayView< const Tensor< 1, dim > > & input,
const MappingKind kind,
const typename Mapping< dim, spacedim >::InternalDataBase & internal,
const ArrayView< Tensor< 1, spacedim > > & output
)
But, I don't think we have public acces to "const typename Mapping< dim,
spacedim >::InternalDataBase & internal," so I am keep failing.
Any advice/idea or your example would be a great help for me.
Thanks
Sanghyun Lee
Florida State University
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