Hello everyone, I'm writing this post because I would need help to build a "particular" finite element space. Let us suppose to have a scalar field in 2D. I want to consider a family of basis functions along the horizontal direction (e.g. basis functions based on Legendre polynomials) and a different family of basis functions along the vertical direction (e.g. basis functions based on Laguerre polynomials). Is there some class that can help to implement such a space? The main difference with respect to the "standard" finite elements is that the this space is not simply the tensor product of 1D basis functions.
There is this class FE_DGVector <https://www.dealii.org/current/doxygen/deal.II/classFE__DGVector.html#a1351e60ba12ff8474b93306930a99701>, which maybe can help, but I am not fully sure about that. Indeed, another required feature is the possibility to consider different degrees along the two directions, as it happens for instance for Raviart-Thomas spaces. The constructor of Raviart-Thomas polynomials takes in input two different polynomial degrees (one for normal direction and another one for the tangetial direction). Is there some general functionality to do something similar for other polynomials, which can be in principle different along the two directions, and then pass it to a finite element space? I hope the question is clear. Thanks in advance Best, Giuseppe -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/08276630-1923-4053-acec-d25f00f25f23n%40googlegroups.com.
