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a626ab869e
This works by having a "focus degree of freedom" during linearization. When evaluating the local residual, all derivatives of the residual/fluxes are with regard to the primary variables of that DOF. The two main offenders were the Forchheimer velocity model and the model for the Stokes equations. To ensure that they continue to work, the "powerinjection" and the "stokestest2c" problems are now both compiled and tested with both, automatic differentiation and finite differences, and the results of these tests is compared against the same reference solution. The majority of the time required to develop this patch was actually required for testing: All tests compile and pass with debugging and aggressive optimization flags with at least GCC 5, GCC 7 and clang 3.8, as well as Dune 2.3 and 2.4. Also, the results of flow_ebos stay identical for Norne whilst the performance difference is below the measurement noise on my machine. (the version with this patch applied was actually about 1% faster.) |
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| .. | ||
| co2injectionflash.hh | ||
| co2injectionproblem.hh | ||
| cuvetteproblem.hh | ||
| diffusionproblem.hh | ||
| fingerproblem.hh | ||
| fractureproblem.hh | ||
| groundwaterproblem.hh | ||
| infiltrationproblem.hh | ||
| lensproblem.hh | ||
| obstacleproblem.hh | ||
| outflowproblem.hh | ||
| powerinjectionproblem.hh | ||
| reservoirproblem.hh | ||
| richardslensproblem.hh | ||
| stokes2ctestproblem.hh | ||
| stokesnitestproblem.hh | ||
| stokestestproblem.hh | ||
| waterairproblem.hh | ||