[LiquidFlow] Use specific body force instead of darcy_gravity
Fixes #3110 (closed).
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Feature description was added to the changelog -
Tests covering your feature were added? -
Any new feature or behavior change was documented?
A script transformLFGravity.sh for the transformation was prepared. It uses xmlstarlet.
Update If you don't like the minus sign in front of zero you can apply:
find -name '*prj' -exec sed -i 's/-0.0/0.0/' {} \;
Before, you should check not destroying anything important ;-)