On 6/2/21 4:42 PM, [email protected] wrote:
Well I could try to reproduce this example with older version of deal.II but
this also requires a specific version of Petsc. I forgot to mention above that
deal.II is compiled with petsc-3.15.0. A hint on the timeline, e.g. the day
the results are produced, could be useful.
The best I can offer is to point to the fact that the original program was
proposed in 2017:
https://github.com/dealii/code-gallery/pull/32
I don't think that the problem lies with PETSc, given that the linear solver
converges just fine. I think it computes the correct solution to the wrong
linear system.
Best
W.
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Wolfgang Bangerth email: [email protected]
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