Belay-129

[BUG] -AttributeError: 'NaturalBC' object has no attribute 'fn_F' when using add_natural_bc

6

Hi uw3 support team, I encountered an error when applying a natural boundary condition to the Poisson solver in Underworld3, which prevents the solve from running successfully. poisson.add_dirichlet_bc([17.0], "Top") q_bottom...