dr-robertk

External ufl types.

3

When adding an UFL type using the `@ufl_type` decorator this seems to lead to errors in, for example, the `Transformer` class from `ufl.algorithms`. Example, somewhere in some external (to ufl)...

[feature][ElementTypes] Added 4d element types

2

This PR adds 4d element types to cell.py and elementlist.py. While for the 4d cube there seems to be only one name, tesseract, for the 4d simplex it's not so...

faceNormal of UnstructuredGrid scaled with faceArea.

8

The faceNormals in UnstructuredGrid are scaled with the faceAreas which is counter intuitive, because then faceNormal is not a normal anymore but a vector orthogonal to the face scaled with...

PolyhedralGrid: use MPIHelper's default communicator for CollectiveCommunication.

6

This fixes a compilation issue with ebos.

[WIP] Add FemSolverBackend and AMGXSolverBackend.

40

This PR adds a FemSolverBackend for using linear solvers implemented in dune-fem, including everything PETSc has to offer and an AMGXSolverBackend for the AMGXSolver.

In dune-fem we have not been able to upgrade to ufl beyond `22.2.0` because of the `Constant` (now having a domain) and the domain check being enforced in domain.py:221: (`join_domains`)....

Why has the class FiniteElement been removed?

9

Upon switching from `2024.2.0` to `2025.2.0` I realized that the class `FiniteElement` is now only available in test/utils.py, and therefore not accessible from outside. Why? What is the idea here?...