On 01/23/2018 10:35 AM, Dulcimer0909 wrote:
If I do go ahead and replace code, so that it does a cell by cell assembly, I
am a bit lost on how I would store the old_solution (U^(n-1)) for each cell
and retrieve it during the assembly for the Rhs.
Dulcimer -- can you elaborate? It's not clear to me how the two are related.
In the thread you comment on, the question is about how to assemble the
matrices, but these matrices do not actually depend on the previous solution.
In any case, the program of course stores the old solution and so any code you
write will have access to it.
So it's not entirely clear to me what you mean in your question :-(
Best
W.
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Wolfgang Bangerth email: [email protected]
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