Hi everyone,
I am trying to mimic step-7 implementation of Neumann boundary condition in
the case of a vector-valued problem.
I did some modifications as shown in the below, but it doesn't work as
expected;
const FEValuesExtractors::Scalar pressure(0);
.....
cell_rhs(i) +=
(fe_face_values[pressure].value(i, q_point) *
neumann_value *
fe_face_values.JxW(q_point));
I tried to replicate step-20 and related documentation on vector problems
but haven't yet been able to figure out the solution.
So any help is much appreciated.
Thank you,
Ali
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