OilfieldToolsNet/opm-common
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wip in updating the derivatives after the two phase solution

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it will be a very draft way to do it first, hopefully the results are
okay.

Then looking for better refactorization.
This commit is contained in:
Kai Bao 2022-03-25 14:42:58 +01:00 committed by Trine Mykkeltvedt
parent 76ad99e458
commit 851366ba50
2 changed files with 34 additions and 0 deletions
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26
opm/material/constraintsolvers/ChiFlash.hpp
View File

@ -178,6 +178,12 @@ public:
std::cout << "********" << std::endl;
}
// all the solution should be processed in scalar form
// now we should update the derivatives
// TODO: should be able the handle the derivatives directly, which will affect the final organization
// of the code
updateDerivatives_(fluid_state_scalar, fluid_state);
// Update phases
/* typename FluidSystem::template ParameterCache<InputEval> paramCache;
paramCache.updatePhase(fluid_state, oilPhaseIdx);
@ -956,6 +962,26 @@ protected:
}
}
template <typename FlashFluidStateScalar, typename FlashFluidState>
static void updateDerivatives_(const FlashFluidStateScalar& fluid_state_scalar,
FlashFluidState& fluid_state)
{
// getting the secondary Jocobian matrix
constexpr size_t num_equations = numMisciblePhases * numMiscibleComponents + 1;
constexpr size_t secondary_num_pv = numComponents + 1;
using SecondaryEval = Opm::DenseAd::Evaluation<double, secondary_num_pv>; // three z and one pressure
using SecondaryComponentVector = Dune::FieldVector<SecondaryEval, numComponents>;
using SecondaryFlashFluidState = Opm::CompositionalFluidState<SecondaryEval, FluidSystem>;
SecondaryFlashFluidState secondary_fluid_state;
SecondaryComponentVector secondary_z;
// TODO: trying to get the secondary matrix here,
// TODO: then getting the primary matrix,
// TODO: then beginning from that point
}
/* template <class Vector, class Matrix, class Eval, class ComponentVector>
static void evalJacobian(const ComponentVector& globalComposition,
const Vector& x,

8
tests/test_chiflash.cpp
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@ -104,6 +104,14 @@ void testChiFlash()
}
}
zInit /= sumMoles;
// initialize the derivatives
// TODO: the derivative eventually should be from the reservoir flow equations
Evaluation z_last = 1.;
for (unsigned compIdx = 0; compIdx < numComponents - 1; ++compIdx) {
zInit[compIdx] = Evaluation::createVariable(Opm::getValue(zInit[compIdx]), compIdx + 1);
z_last -= zInit[compIdx];
}
zInit[numComponents - 1] = z_last;
}
// TODO: only, p, z need the derivatives.