On 8/9/20 10:10 PM, Feimi Yu wrote:
I'm solving for a SUPG stabilized slightly compressible Navier-Stokes
equation, with a Schur complement type preconditioner.
I don't see why hanging nodes would make any kind of difference for this
combination (in fact, for any equation). If I were you, I'd try to dig a bit
further to come up with concrete evidence that the hanging nodes are your
problem (I suspect that the problem is actually elsewhere) and then see how to
address this. Having used hanging nodes for 23 years now, your hypothesis
sounds unlikely to me.
Best
W.
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Wolfgang Bangerth email: [email protected]
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