On 3/7/21 5:30 AM, Nikki Holtzer wrote:
For a 1d problem, I would like to implement a "boundary matrix" for an
absorbing boundary condition such as the one presented in Step 24 for only the
left boundary. Is it necessary to have the 'if' statement be a conditional
over faces like in Step 24 even though it is a 1d problem or is something like
if (cell->at_boundary() && (face->boundary_id() == 1)) {
}
acceptable?
The statement is ok I believe (have you tried?), the question is what you want
to do after that.
Best
W.
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Wolfgang Bangerth email: [email protected]
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