mixed Dirichlet and Neumann boundary conditions for vector components
Asked by
Nico Schlömer
I'd like to solve the Navier--Stokes equations for an axisymmetric flow u, and the boundary conditions at the rotational axis r=0 are typically given by
u_r = 0
du_z/dr = 0
where u_r, u_z are the components in r- and z-direction, respectively.
How would I implement this in Dolfin?
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