I was wondering whether any of you knew if FENICS has the capability to solve coupled 1D-3D problems that are linear non-iteratively? As an example, pipes embedded in a porous domain will provide pressure sources (at their terminal ends) to the Darcy equation. This can be solved with a linear solver if I can concatenate the finite element matrix with the Poiseuille flow in the pipes. I can't quite see how to do this in FENICS, if it is at all indeed possible. Any suggestions, or directions towards more appropriate forums, would be massively appreciated.

  • $\begingroup$ Welcome to SciComp.SE. This question seems to be more appropriate for FEniCS Q&A site. $\endgroup$
    – nicoguaro
    Commented Aug 6, 2019 at 13:51
  • $\begingroup$ Thank you, I'll post it over there and see if there's a response! $\endgroup$ Commented Aug 7, 2019 at 14:16


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