make the dune-localfunctions dependency optional

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as a side effect, two-point gradients are now used by default for the
vertex-centered finite volume discretization. (because P1-FE gradients
require the FE shape functions and those are provided by
dune-localfunctions.)

as a consequence, this triggered an update of quite a few reference
solutions: the differences are measurable, but as far as I can see,
the results are compareable. also, this commit regresses the
performance of the test for the reservoir problem with the vertex
centered finite volume scheme a bit. While I would not bet a house on
the reason, I'm pretty sure that this is caused by the switch from P1
FE gradients to two-point ones.

Note that even though I'm the author of this patch, it shamelessly
rips off substantial parts of the @dr-robertk's patch:
https://github.com/OPM/ewoms/pull/69

...

This commit is contained in:

Andreas Lauser

2016-09-22 14:58:27 +02:00

parent f90d1058a2

commit f0e5a25126

10 changed files with 4509 additions and 4504 deletions

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tests/referencesolutions/reservoir_ncp_vcfv-heuristix.vtu

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