On 6/22/21 3:12 PM, [email protected] wrote:
This is most likely a very simple question, but what would be a good way to
robustly set an AffineConstraint not on a face, but on a single DOF, while
making sure that it is not an hanging node. I'd like to do something
equivalent to what is done by VectorTools::interpolate_boundary_values but for
an a priori unknown DOF (it could be for example the first non-hanging node
DOF or something similar).
As so often, there is precedent for this kind of thing in ASPECT :-)
https://github.com/geodynamics/aspect/blob/master/source/simulator/nullspace.cc#L112-L209
Best
W.
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Wolfgang Bangerth email: [email protected]
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