On 11/3/21 10:00 AM, Мария Бронзова wrote:
I was trying to prescribe displacement boundary conditions on a 3D model
on certain faces but only for the x and y displacement components. I
used to apply the interpolate_boundary_values class before, but it
demands dim+1 components inside my boundary_function (i have a mixed
displacement-pressure formulation problem), when I call
fe.component_mask(velocities).
Could you please let me know, how I can otherwise impose my Dirichlet
condition for chosen displacement components?
The function takes an argument that specifies which components of the
solution to constrain. In your case, you would provide a mask that only
specifies, for example, the x and y components. The input function is
still a dim-dimensional function, but its z component will simply be
ignored.
Best
W.
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Wolfgang Bangerth email: [email protected]
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