Dear all,
I extended the tutorial step 31 to a Navier-Stokes solver. There is going
to be a problem with the strong boundary conditions. If I use
MatrixTools::apply_boundary_conditions() then the GMRES solver takes more
than 6000 interations for 7000 dofs in 2d. Is it possible to avoid the use
of MatrixTools::apply_boundary_conditions?
If more information is required, please let me know. Thanks for any help
in advance.
Best,
Bärbel
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