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fd2d8536eb
This commit introduces a new helper class,
Opm::EQUIL::Details::PhaseSaturations<>
that subsumes the responsibility of the existing helper function
Opm::EQUIL::phaseSaturations<>()
and generalises that functionality to arbitrary depth points within
single cells. This is in preparation of adding support for the N<0
case of the initial fluid in place procedure defined in the EQUIL
keyword. The class consumes an already equlibrated pressure table
for the pertinent equilibration region, calculates capillary
pressure values and inverts Pc curves to derive saturation values.
If the capillary pressure curves are constant within a cell, then a
simple depth consideration with respect to the implied sharp phase
interface is used to derive saturation values. We also preserve
existing support for SWATINIT-type initialisation of the water
saturation field.
Switch InitialStateComputer<>::calcPressSatRsRv() over to using the
pressure and saturation helper classes instead of the original
helper functions since this provides additional control. Also
remove those helper functions to reduce risk of confusion over which
method to use. Update the unit tests accordingly.