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Merge pull request #4834 from steink/assure_non_negative_oil_fraction

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Prevent negative oil fractions in well segments
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Bård Skaflestad 2023-09-06 12:44:21 +02:00 committed by GitHub
commit 27466bae66
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1 changed files with 6 additions and 0 deletions
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6
opm/simulators/wells/MultisegmentWellPrimaryVariables.cpp
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@ -499,6 +499,12 @@ volumeFraction(const int seg,
/* if (has_solvent) { /* if (has_solvent) {
oil_fraction -= evaluation_[seg][SFrac]; oil_fraction -= evaluation_[seg][SFrac];
} */ } */
// oil_fraction may turn out negative due to round-off, in that case
// set to zero (but keep derivatives)
if (oil_fraction.value() < 0.0) {
oil_fraction.setValue(0.0);
}
return oil_fraction; return oil_fraction;
} }